Table of Contents 0 Body Refrigerant circuit ..................................................................................................................................26 Component arrangement, Airbag System B05 ......................................................................................26 0 Electrics ...........................................................................................................................................................28 Fuse assignments...................................................................................................................................28 0 Power supply..................................................................................................................................................31 Work instructions after disconnecting the battery .................................................................................31 Control module memories.....................................................................................................................31 Supply voltage fault entry ......................................................................................................................32 Test drive after connecting the battery ...................................................................................................32 2470 DME control module ....................................................................................................................32 3730 Tiptronic ........................................................................................................................................33 6452 Power windows .............................................................................................................................33 90 25 Instrument cluster .........................................................................................................................33 9030 Clock .............................................................................................................................................33 9023 Fuel level display ..........................................................................................................................34 9120 Radio .............................................................................................................................................34 9110 PCM ..............................................................................................................................................34 01 General maintenance: Test drive...............................................................................................................36 01 Diagnostic system: Read out fault memory and activate systems ...........................................................37 Activating systems .................................................................................................................................37 Read out fault memory ...........................................................................................................................37 Load Navigation .....................................................................................................................................38 01 Battery: checking the charge state.............................................................................................................39 Tools......................................................................................................................................................39 Checking charge state with battery tester ..............................................................................................39 01 Windscreen wiper/washer system, headlight washer ...............................................................................40 Mix ratio of fluids for windscreen washer system .................................................................................40 01 Checking the function of the vehicle's lights and the headlight setting ..................................................41 Checking the adjustment of the headlights ............................................................................................41 Adjusting the main headlights...............................................................................................................42 Adjusting the main headlights, USA version .........................................................................................43 Fog light adjustment ..............................................................................................................................43 01 Checking the function of electrical equipment, as well as the indicator and warning lights ................45 01 Alarm system: checking operation of indicators .......................................................................................46 01 Activating/deactivating the parking aid .....................................................................................................47 General ...................................................................................................................................................47 Activating the parking aid without PST 2.............................................................................................47 einordnung ii
Table of Contents 01 Activating/deactivating the parking aid Deactivating the parking aid without PST 2 ..........................................................................................48 Activating the parking aid with PST 2 ...................................................................................................48 Selecting door mirror to be lowered, left/right ......................................................................................49 Adjusting the lowering angle for the passenger door mirror .................................................................49 Deactivating the parking aid with PST 2 ...............................................................................................50 01 Removing transport lock (spring strut locking devices) Turbo and GT2 ...........................................51 General ...................................................................................................................................................51 Removing spring strut locking devices ..................................................................................................51 Technical Data GT2 .......................................................................................................................................53 Engine ....................................................................................................................................................54 Engine design .........................................................................................................................................54 Engine cooling .......................................................................................................................................55 Engine lubrication ..................................................................................................................................55 Engine control ........................................................................................................................................55 Fuel system............................................................................................................................................56 Electrical system ....................................................................................................................................56 Exhaust system......................................................................................................................................56 Emission control ....................................................................................................................................56 Technical data...................................................................................................................................................57 Engine ....................................................................................................................................................58 Engine design .........................................................................................................................................58 Engine cooling .......................................................................................................................................59 Engine lubrication ..................................................................................................................................59 Engine control ........................................................................................................................................59 Fuel system............................................................................................................................................60 Electrical system ....................................................................................................................................60 Exhaust system......................................................................................................................................60 Emission control ....................................................................................................................................60 Precautionary measures when working on fuel system .................................................................................61 03 Diagnostic system: reading out fault memory ...........................................................................................62 Reading out fault memory.....................................................................................................................62 03 General maintenance: test drive .................................................................................................................63 03 Removing and installing drive belt .............................................................................................................64 Removal overview of the drive belt (engine installed) ..........................................................................64 Installation overview of the drive belt (engine installed) ......................................................................65 94 56 19 Removing and installing bulb for direction indicator light...........................................................67 Removing bulb for direction indicator light ..........................................................................................67 Installing bulb for direction indicator light ............................................................................................67 einordnung iii
Table of Contents 03 Changing the engine oil and oil filter .........................................................................................................68 03 Changing the engine oil (without oil filter) ................................................................................................72 03 Replacing spark plugs ..................................................................................................................................74 Removing spark plugs...........................................................................................................................74 Installing spark plugs .............................................................................................................................75 03 Checking cooling system ..............................................................................................................................77 Coolant: checking level, antifreeze content and leaks ...........................................................................77 03 Replacing air cleaner element .....................................................................................................................79 Removing air cleaner .............................................................................................................................79 Installing air cleaner ...............................................................................................................................81 03 Replacing the fuel filter ...............................................................................................................................85 03 Clutch: checking the play and pedal end position....................................................................................89 Checking clutch free play ......................................................................................................................89 Checking the pedal end position (pedal return/return force) .................................................................89 03 Changing transmission oil ...........................................................................................................................90 Changing transmission oil.....................................................................................................................90 Tightening torques .................................................................................................................................90 03 Checking and topping up the ATF .............................................................................................................91 Tools......................................................................................................................................................91 Checking and topping up the ATF .........................................................................................................91 Tightening torques .................................................................................................................................93 03 Replacing ATF.............................................................................................................................................94 Tools......................................................................................................................................................94 Replacing ATF fluid ..............................................................................................................................94 Tightening torques .................................................................................................................................96 03 Removing and installing ATF filter ............................................................................................................97 Tools......................................................................................................................................................97 Removing ATF filter.............................................................................................................................97 Installing ATF filter ...............................................................................................................................98 Tightening torques .................................................................................................................................99 03 Replacing and checking transmission oil in final drive ..........................................................................100 Tools....................................................................................................................................................100 Changing transmission oil in final drive ..............................................................................................100 Tightening torques ...............................................................................................................................102 einordnung iv
Table of Contents 03 Changing transmission oil in front wheel drive ......................................................................................103 Changing transmission oil in front wheel drive ...................................................................................103 Tightening torques ...............................................................................................................................103 03 Changing transmission oil - GT2 .............................................................................................................105 Changing transmission oil - GT2 ........................................................................................................105 Topping up transmission oil - GT2 .....................................................................................................105 Tightening torques ...............................................................................................................................106 03 Steering gear: fluid level and bellows .......................................................................................................107 Power steering: checking the fluid level ..............................................................................................107 General ..........................................................................................................................................107 Power steering: checking the fluid level .......................................................................................107 Steering gear: visual inspection of the bellows ....................................................................................109 03 Axle joints/drive shafts ..............................................................................................................................110 Tie rod ends: checking the play and dust bellows ...............................................................................110 Axle joints: checking the play and dust bellows ..................................................................................110 Drive shafts: visual inspection of the boots .........................................................................................111 03 Running gear adjustment/storage of assemblies .....................................................................................112 Running gear adjustment (wheel alignment values) ............................................................................112 Storage of assemblies and running gear ...............................................................................................112 03 Tyres and spare wheel: checking condition and tyre pressure ..............................................................113 Checking condition ..............................................................................................................................113 Tyre pressure for cold tyres (approx. 20 °C) .......................................................................................113 911 Turbo ......................................................................................................................................113 911 GT2 (M002/M003) .................................................................................................................113 03 Checking and changing the brake fluid ...................................................................................................115 Checking the brake fluid level .............................................................................................................115 Changing the brake fluid ......................................................................................................................115 03 Parking brake: checking the free play of the parking brake lever.......................................................117 Parking brake: checking the free play of the parking brake lever .......................................................117 Adjusting the parking brake ..........................................................................................................117 03 Visual inspection: brake lines/brake pads/brake discs ...........................................................................119 Brake hoses and lines ...........................................................................................................................119 Brake system: visual inspection of the brake pads and brake discs for wear ......................................119 03 Checking the wheel mounting ...................................................................................................................121 03 Checking lid and doors ..............................................................................................................................122 Checking lid lock, front and rear .........................................................................................................122 Checking the catch bar ..................................................................................................................122 Checking safety hook, front lid ............................................................................................................122 einordnung v
Table of Contents 03 Checking lid and doors Function test, checking door lock ........................................................................................................122 Functional inspection of the tank cap lock..........................................................................................123 Checking door and lid tightening torques ............................................................................................123 Checking inner release of luggage compartment (Trunk Entrapment) ................................................123 Tightening torques ...............................................................................................................................124 03 Checking seat belts .....................................................................................................................................125 Functional inspection ...........................................................................................................................125 Condition inspection ............................................................................................................................125 03 Inspecting the airbag system .....................................................................................................................126 Visual inspection ..................................................................................................................................126 Checking airbag warning light .............................................................................................................126 Function test of the airbag system.......................................................................................................126 03 Passenger protection maintenance: checking roll-over protection system ..........................................128 03 Particle filter: replacing the filter element..............................................................................................129 Removing particle filter .......................................................................................................................129 Installing particle filter .........................................................................................................................129 03 Checking the function of the vehicle's lights...........................................................................................130 Adjusting the main headlights.............................................................................................................130 Setting ..................................................................................................................................................131 Adjusting the main headlights, USA version .......................................................................................132 Fog light adjustment ............................................................................................................................132 Removing main headlight ....................................................................................................................132 Installing main headlight.....................................................................................................................133 03 Windscreen wiper/washer system, headlight washer .............................................................................135 03 Checking the function of electrical equipment, as well as the indicator and warning lights ..............136 03 Additional maintenance - USA................................................................................................................137 Additional maintenance, replacing spark plugs ...................................................................................137 Additional maintenance every 60,000 mls/96,000 km........................................................................137 Additional maintenance every 90,000 mls/144,000 km......................................................................138 Maintenance every 2 years ...................................................................................................................138 Maintenance after 4, 8, 10 then every 2 years .....................................................................................138 03 Additional maintenance - as of MY 2004 ................................................................................................139 Additional maintenance, replacing spark plugs ...................................................................................139 Additional maintenance every 80,000 km/48,000 mls ........................................................................139 Additional maintenance every 160,000 km/96,000 mls ......................................................................139 Maintenance every 2 years ...................................................................................................................140 Maintenance after 4, 8, 10 then every 2 years .....................................................................................140 einordnung vi
Table of Contents 03 Additional maintenance - USA - as of MY 2004...................................................................................141 Additional maintenance, replacing spark plugs ...................................................................................141 Additional maintenance every 60,000 mls/96,000 km........................................................................141 Additional maintenance every 90,000 mls/144,000 km......................................................................142 Maintenance every 2 years ...................................................................................................................142 Maintenance after 4, 8, 10 then every 2 years .....................................................................................142 03 Additional maintenance .............................................................................................................................144 Additional maintenance, replacing spark plugs ...................................................................................144 Additional maintenance every 80,000 km/48,000 mls ........................................................................144 Additional maintenance every 160,000 km/96,000 mls ......................................................................144 Maintenance every 2 years ...................................................................................................................145 Maintenance after 4, 8, 10 then every 2 years .....................................................................................145 3 Technical data..............................................................................................................................................146 6-speed manual transmission G 96.50 ................................................................................................146 Manual transmission tightening torques ........................................................................................147 Front wheel drive Z 96.00 ....................................................................................................................147 Front-axle drive tightening torques ..............................................................................................148 3 Technical data..............................................................................................................................................149 5-speed Tiptronic transmission A 96.50-150 .....................................................................................149 Tightening torques for Tiptronic transmission ..............................................................................150 Front wheel drive Z 96.00 ....................................................................................................................151 Front-axle drive tightening torques ..............................................................................................151 4 Removing transport lock (spring strut locking devices) Turbo and GT2 ...........................................153 General .................................................................................................................................................153 Removing spring strut locking devices ................................................................................................153 4 Lifting the vehicle .........................................................................................................................................155 Lift the vehicle .....................................................................................................................................155 4 Tests/notes for all-wheel drive...................................................................................................................156 Balancing wheels on vehicle ................................................................................................................156 Power test .............................................................................................................................................156 Brake test .............................................................................................................................................156 Towing manual transmission vehicles .................................................................................................156 Towing Tiptronic vehicles ...................................................................................................................156 4 Switching off PSM ........................................................................................................................................157 Switching off PSM ...............................................................................................................................157 Switching PSM back on .......................................................................................................................157 Characteristic features of Tiptronic vehicles (slip upshift) ..................................................................158 5 Plug location plan .........................................................................................................................................159 Top of front end ...................................................................................................................................159 Bottom of front end ..............................................................................................................................160 einordnung vii
Table of Contents 5 Plug location plan Side of front end ...................................................................................................................................160 Bottom of lower side member and floor ..............................................................................................161 Top of lower side member and floor ....................................................................................................161 Bottom of rear end ...............................................................................................................................162 Top of rear end .....................................................................................................................................162 Side of rear end ....................................................................................................................................163 Seam seals ........................................................................................................................................................164 Accessories..........................................................................................................................................164 Front lid .........................................................................................................................................165 Door ...............................................................................................................................................165 Sliding roof panel ..........................................................................................................................166 5 Work sequence for accident repair ............................................................................................................167 5 Work sequence for determining scope of damaged vehicles involved in an accident...........................169 5 Corrosion protection measures during repairs .........................................................................................171 Measures for maintaining long-term body protection........................................................................171 Prerequisite for ensuring vailidity of the long-life guarantee .............................................................171 5 Vehicle identification number .....................................................................................................................172 Imprinting new vehicle identification number .....................................................................................172 Materials, tools .....................................................................................................................................173 5 Change identification data plate .................................................................................................................174 5 Undersealing .................................................................................................................................................176 Overview diagram, lower front of vehicle ...........................................................................................176 Overview diagram, bottom of lower side member and floor ...............................................................177 Overview diagram, lower rear end .......................................................................................................178 Tools and materials ..............................................................................................................................178 5 Water drainage plan Cabriolet...............................................................................................................179 5 Check dimensions for body repair - Cabriolet structure ........................................................................180 Structure dimensions for cabriolet .......................................................................................................180 5 Safety notes ...................................................................................................................................................183 Safety instructions for raising vehicles ................................................................................................183 Danger of injury when raising vehicles .........................................................................................183 Damage when raising vehicles ......................................................................................................183 Safety instructions for welding ............................................................................................................184 Dangers of injury when welding ...................................................................................................184 Safety instructions for flying sparks during grinding and welding work ......................................184 Safety instructions for fuel tank ....................................................................................................185 Safety instructions for air conditioning .........................................................................................185 einordnung viii
Table of Contents 5 Safety notes Safety instructions for sticking ............................................................................................................185 Safety instructions for Teromix-6700 two-component adhesive................................................185 Safety instructions for installation work ..............................................................................................186 Safety instructions for sharp-edged body and unit parts ..............................................................186 Safety instructions for airbag system............................................................................................186 Safety instructions for door ...........................................................................................................186 Safety instructions for corrosion protection .........................................................................................187 Safety instructions for plug location plan (body) ..........................................................................187 Safety instructions for water drains (body) ...................................................................................187 5 General information and quality notes ......................................................................................................188 Measures for maintaining long-term body protection........................................................................188 Prerequisite for maintaining the long-life guarantee ....................................................................188 Electronic control modules ..................................................................................................................188 Protection against overvoltage ......................................................................................................189 Replacing control modules ............................................................................................................189 5 Tools and metalworking tools for body repairs ........................................................................................190 Straightening systems ..........................................................................................................................190 Metalworking tools ..............................................................................................................................190 Electrical equipment ......................................................................................................................190 Mechanical equipment..................................................................................................................191 Compressed-air equipment ...........................................................................................................191 Welding equipment .......................................................................................................................192 5 Diagram - keys to symbols for welding work ...........................................................................................193 Resistance spot welding .......................................................................................................................193 Inert-gas arc welding (MAG procedure) .............................................................................................193 Gas welding.........................................................................................................................................193 5 Check dimensions for body repair.............................................................................................................195 Floorpan check dimensions ..................................................................................................................195 5 Water drainage plan ....................................................................................................................................198 5 Diagram - body gap dimensions................................................................................................................199 Gap dimensions, body front .................................................................................................................199 Gap dimensions, body centre ...............................................................................................................201 Gap dimensions, body rear..................................................................................................................202 Gap dimensions, body rear Carrera 4S .............................................................................................204 Diagram - Gap dimensions, Cabriolet................................................................................................206 Diagram - Centre gap dimensions, Cabriolet ...............................................................................206 Diagram - Gap dimensions, rear Cabriolet ...................................................................................208 Diagram, gap dimensions, Cabriolet rear - Carrera 4S................................................................209 Diagram - Gap dimensions, hardtop .............................................................................................210 einordnung ix
This 2001-2005 Porsche 911 Turbo (996) Service & Repair Manual is the official factory workshop reference used by Porsche dealership technicians. It covers in-depth procedures for both the standard Turbo and the higher-spec Turbo S, focusing on accurate diagnostics, maintenance, and mechanical repair of the M96/70 and M96/70S powertrains and all supporting systems.
Ideal for professional technicians and experienced DIYers alike, the manual includes detailed specifications, exploded-view diagrams, and procedural instructions straight from the manufacturer. Whether you're servicing the turbochargers, overhauling the cooling system, or performing scheduled maintenance, this document ensures each step is done the right way.
Content Overview:
Group 0 – General: Safety protocols, model-specific service information, and usage notes
Group 1 – Engine: Complete engine disassembly, torque specs, and overhaul procedures for M96/70 and M96/70S
Group 2 – Fuel, Exhaust, Power Supply: Turbo fuel systems, intake components, emissions, and exhaust routing
Group 3 – Transmission:[section exists but omitted here as per instruction]
Group 4 – Running Gear: Axles, suspension arms, and subframe structures
Group 5 – Body: Body panels, structural repair, and trim access
Group 6 – Exterior Equipment: Lighting assemblies, mirrors, and wipers
Group 8 – Air Conditioning: Refrigerant specs, compressor replacement, and leak diagnosis
Group 9 – Electrics & Wiring: Sensors, switches, and full wiring diagrams for electrical troubleshooting
This manual is an essential tool for anyone committed to preserving or restoring one of Porsche’s most iconic performance platforms. With OEM-level accuracy, it's the definitive resource for the 996 Turbo range.
Printable: Yes Language: English Compatibility: Pretty much any electronic device, incl. PC & Mac computers, Android and Apple smartphones & tablet, etc. Requirements: Adobe Reader (free)
Recently Viewed
5,521,897Happy Clients
2,594,462eManuals
1,120,453Trusted Sellers
15Years in Business
Price:
Actual Price:
2001-2005 Porsche 911 Turbo (996) Service & Repair Manual