Detroit Diesel 60 Series Diesel and Natural Gas-Fueled Engines Service & Repair Manual
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SERIES 60 SERVICE MANUAL
ABSTRACT
This manual provides instruction for servicing on-highway applications of the Detroit Diesel
Series 60 Diesel and Natural Gas-Fueled Engines.
Specifically a basic overview of each major component and system along with recommendations
for removal, cleaning, inspection, criteria for replacement, repair and installation and mechanical
troubleshooting are contained in this manual.
DDEC III/IV troubleshooting concerns are contained in the DDEC III/IV Single ECM
Troubleshooting Guide, 6SE497.
DDEC V troubleshooting concerns are contained in the DDEC V Troubleshooting Guide, 6SE570.
All information subject to change without notice. (Rev. 2005)
6SE483 0507 Copyright © 2005 DETROIT DIESEL CORPORATION i
SERIES 60 SERVICE MANUAL
ENGINE EXHAUST
Consider the following before servicing engines:
PERSONAL INJURY
Diesel engine exhaust and some of its constituents are
known to the State of California to cause cancer, birth
defects, and other reproductive harm.
□ Always start and operate an engine in a well ventilated
area.
□ If operating an engine in an enclosed area, vent the
exhaust to the outside.
□ Do not modify or tamper with the exhaust system or
emission control system.
(Rev. 2005) All information subject to change without notice.
ii 6SE483 0507 Copyright © 2005 DETROIT DIESEL CORPORATION
SERIES 60 SERVICE MANUAL
REVISION NOTIFICATION
Modifications to this manual are announced in the form of Service Information
Bulletins. The bulletins include attachment pages and are posted on the World Wide Web
(www.detroitdiesel.com/svc/sibindex.htm).
Revisions to this manual will be sent marked with a revision bar (see Example 2). Sections
containing revisions will have a third line in the page footer (compare Examples 1 and 2).
All information subject to change without notice. (Rev. 2005)
6SE483 0507 Copyright © 2005 DETROIT DIESEL CORPORATION iii
SERIES 60 SERVICE MANUAL
(Rev. 2005) All information subject to change without notice.
iv 6SE483 0507 Copyright © 2005 DETROIT DIESEL CORPORATION
SERIES 60 SERVICE MANUAL
TABLE OF CONTENTS
GENERAL INFORMATION ...................................................................... 1
SCOPE AND USE OF THIS MANUAL .................................................... 3
CLEARANCE OF NEW PARTS AND WEAR LIMITS .............................. 3
THE FOUR CYCLE PRINCIPLE FOR DIESEL ENGINES ...................... 4
FOUR CYCLE PRINCIPLE FOR NATURAL GAS ENGINES .................. 6
GENERAL DESCRIPTION ...................................................................... 8
GENERAL SPECIFICATIONS ................................................................. 14
GENERAL SPECIFICATIONS FOR THE SERIES 60G ENGINE ............ 15
ENGINE MODEL, SERIAL NUMBER AND OPTION LABEL ................... 16
ENGINE MODEL, SERIAL NUMBER AND OPTION LABEL (SERIES
60G ENGINE) .......................................................................................... 19
REPLACING AND REPAIRING ............................................................... 20
DISASSEMBLY ........................................................................................ 20
CLEANING ............................................................................................... 21
SAFETY PRECAUTIONS ....................................................................... 27
FLUOROELASTOMER (VITON) CAUTION ............................................. 40
ENGINE VIEWS ....................................................................................... 41
ENGLISH TO METRIC CONVERSION .................................................... 46
DECIMAL AND METRIC EQUIVALENTS ................................................ 47
SPECIFICATIONS ................................................................................... 48
1 ENGINE
1.1 CYLINDER BLOCK AND CYLINDER LINER .......................................... 1-3
1.2 CYLINDER HEAD .................................................................................... 1-30
1.3 VALVE AND INJECTOR OPERATING MECHANISM .............................. 1-60
1.4 VALVES, SPRINGS, GUIDES, INSERTS, SEALS AND ROTATORS ...... 1-79
1.5 ENGINE LIFTER BRACKETS .................................................................. 1-106
1.6 ROCKER COVER .................................................................................... 1-111
1.7 CRANKSHAFT ........................................................................................ 1-129
1.8 CRANKSHAFT OIL SEALS ..................................................................... 1-150
1.9 CRANKSHAFT MAIN BEARINGS ........................................................... 1-164
1.10 GEAR CASE COVER PRE-EXHAUST GAS RECIRCULATION (EGR) .. 1-175
1.11 GEAR CASE COVER EXHAUST GAS RECIRCULATION (EGR)
MODEL .................................................................................................... 1-190
1.12 GEAR CASE PRE-EXHAUST GAS RECIRCULATION (EGR) ................ 1-210
1.13 GEAR CASE EXHAUST GAS RECIRCULATION (EGR) MODEL ........... 1-231
1.14 CRANKSHAFT VIBRATION DAMPER .................................................... 1-242
1.15 CRANKSHAFT PULLEY .......................................................................... 1-252
1.16 FLYWHEEL ............................................................................................. 1-266
1.17 RING GEAR ............................................................................................. 1-275
1.18 FLYWHEEL HOUSING ............................................................................ 1-277
1.19 PISTON AND PISTON RING ................................................................... 1-285
All information subject to change without notice. (Rev. 2005)
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SERIES 60 SERVICE MANUAL
1.20 ONE-PIECE PISTON ASSEMBLY AND PISTON RING .......................... 1-306
1.21 PISTON AND CONNECTING ROD ASSEMBLY ..................................... 1-318
1.22 CONNECTING ROD ................................................................................ 1-345
1.23 CYLINDER LINER ................................................................................... 1-360
1.24 GEAR TRAIN AND ENGINE TIMING ...................................................... 1-373
1.25 COMPACT GEAR TRAIN AND ENGINE TIMING ................................... 1-399
1.26 CAMSHAFT GEAR ASSEMBLY SERIES 60 EXHAUST GAS
RECIRCULATION (EGR) MODEL ........................................................... 1-418
1.27 THRUST PLATE PERIMETER SEAL ...................................................... 1-445
1.28 CAMSHAFT AND CAMSHAFT BEARING ............................................... 1-458
1.29 CAMSHAFT DRIVE GEAR ...................................................................... 1-490
1.30 ADJUSTABLE IDLER GEAR ASSEMBLY ............................................... 1-503
1.31 ADJUSTABLE IDLER GEAR COMPACT GEAR TRAIN .......................... 1-512
1.32 BULL GEAR AND CAMSHAFT IDLER GEAR FOR THE COMPACT
GEAR TRAIN ........................................................................................... 1-518
1.33 BULL GEAR AND CAMSHAFT IDLER GEAR ASSEMBLY ..................... 1-525
1.34 CRANKSHAFT TIMING GEAR AND TIMING WHEEL ............................ 1-538
1.35 ACCESSORY DRIVE ............................................................................... 1-557
1.36 JAKE BRAKE ........................................................................................... 1-585
1.A ADDITIONAL INFORMATION .................................................................. 1-639
2 FUEL SYSTEM
2.1 DIESEL FUEL SYSTEM OVERVIEW ...................................................... 2-5
2.2 VEHICLE SAFETY FOR THE NATURAL GAS ENGINE ......................... 2-7
2.3 N2 ELECTRONIC UNIT INJECTOR ....................................................... 2-11
2.4 N2 FUEL INJECTOR TUBE AND O-RING .............................................. 2-28
2.5 N3 ELECTRONIC UNIT INJECTOR ....................................................... 2-42
2.6 N3 FUEL INJECTOR TUBE .................................................................... 2-55
2.7 FUEL PUMP WITH SEPARATE DRIVE SHAFT AND HUB ..................... 2-58
2.8 FUEL PUMP WITH ONE-PIECE DRIVE SHAFT AND HUB ASSEMBLY 2-79
2.9 FUEL PUMP DRIVE ................................................................................. 2-99
2.10 DIESEL FUEL FILTERS (SPIN-ON) ........................................................ 2-104
2.11 FUEL PRO 380/380E FUEL FILTER SYSTEM ........................................ 2-112
2.12 FUEL FILTER TYPE FOR THE SERIES 60G ENGINE ........................... 2-118
2.13 ASSEMBLY FUEL FILTER AND WATER SEPARATOR .......................... 2-126
2.14 ELECTRONIC ENGINE CONTROL ......................................................... 2-133
2.15 DDEC V ELECTRONIC CONTROL UNIT ............................................... 2-135
2.16 DDEC III/IV ELECTRONIC CONTROL MODULE ................................... 2-141
2.17 DDEC II ELECTRONIC CONTROL MODULE ......................................... 2-149
2.18 DDEC I ..................................................................................................... 2-159
2.19 PROGRAMMABLE READ-ONLY MEMORY (PROM) DDEC I ............... 2-165
2.20 ELECTRONIC DISTRIBUTOR UNIT DDEC I ......................................... 2-169
2.21 ELECTRONIC FOOT PEDAL ASSEMBLY ............................................. 2-172
2.22 TURBO SPEED SENSOR (TSS) ............................................................. 2-173
2.23 TURBO BOOST PRESSURE SENSOR .................................................. 2-177
2.24 AIR INTAKE PRESSURE SENSOR ......................................................... 2-179
2.25 OIL PRESSURE SENSOR ..................................................................... 2-181
(Rev. 2005) All information subject to change without notice.
vi 6SE483 0507 Copyright © 2005 DETROIT DIESEL CORPORATION
SERIES 60 SERVICE MANUAL
2.26 OIL TEMPERATURE SENSOR .............................................................. 2-183
2.27 AIR TEMPERATURE SENSOR ............................................................... 2-185
2.28 AIR TEMPERATURE SENSOR FOR HIGH PRESSURE FUEL
SYSTEM .................................................................................................. 2-188
2.29 COOLANT TEMPERATURE SENSOR .................................................... 2-190
2.30 SYNCHRONOUS REFERENCE SENSOR GEAR CASE MOUNTED .... 2-192
2.31 SYNCHRONOUS REFERENCE SENSOR \ CAMSHAFT POSITION
SENSOR CAMSHAFT GEAR COVER MOUNTED ................................. 2-194
2.32 TIMING REFERENCE SENSOR ............................................................ 2-197
2.33 COOLANT LEVEL SENSOR .................................................................. 2-199
2.34 FUEL PRESSURE SENSOR .................................................................. 2-203
2.35 FUEL TEMPERATURE SENSOR ........................................................... 2-205
2.36 EXHAUST GAS OXYGEN SENSOR FOR SERIES 60G ENGINES ....... 2-208
2.37 EXHAUST TEMPERATURE SENSOR FOR THE SERIES 60G
ENGINES ................................................................................................. 2-211
2.38 KNOCK SENSOR AND SIGNAL NOISE ENHANCEMENT FILTER
MODULE .................................................................................................. 2-212
2.39 BAROMETRIC PRESSURE SENSOR FOR THE SERIES 60G ENGINE
WITH HIGH PRESSURE FUEL SYSTEM .............................................. 2-215
2.40 OVERVIEW OF HIGH PRESSURE FUEL SYSTEM FOR SERIES 60G
ENGINES ................................................................................................. 2-217
2.41 FUEL PRESSURE GAGES FOR THE SERIES 60G ENGINE WITH A
HIGH PRESSURE FUEL SYSTEM ......................................................... 2-223
2.42 VENTING AND LEAK CHECKING PROCEDURES FOR A NATURAL
GAS ENGINE (HIGH PRESSURE SYSTEM) ......................................... 2-225
2.43 HIGH PRESSURE FUEL REGULATOR FOR THE SERIES 60G
ENGINE ................................................................................................... 2-229
2.44 PULSE WIDTH MODULATED STEPPER MOTOR VALVE (PSV) FOR
SERIES 60G AUTOMOTIVE ENGINES .................................................. 2-231
2.45 FUEL MIXER FOR THE SERIES 60G HIGH PRESSURE FUEL SYSTEM
.................................................................................................................. 2-234
2.46 FUEL SHUTOFF VALVE FOR SERIES 60G ENGINE WITH HIGH
PRESSURE FUEL SYSTEM ................................................................... 2-237
2.47 IMPCO LOW PRESSURE FUEL REGULATOR FOR THE SERIES 60G
ENGINE HIGH PRESSURE FUEL SYSTEM .......................................... 2-239
2.48 OVERVIEW OF THE LOW PRESSURE NATURAL GAS FUEL
SYSTEM .................................................................................................. 2-243
2.49 LOW PRESSURE FUEL REGULATOR FOR THE SERIES 60G
ENGINE ................................................................................................... 2-248
2.50 FUEL MIXER FOR THE SERIES 60G LOW PRESSURE SYSTEM ....... 2-252
2.51 VENTING AND LEAK CHECKING PROCEDURES FOR NATURAL GAS
ENGINE (LOW PRESSURE SYSTEM) .................................................. 2-255
2.A ADDITIONAL INFORMATION .................................................................. 2-257
3 LUBRICATION SYSTEM
3.1 OVERVIEW OF LUBRICATING SYSTEM ............................................... 3-3
3.2 OIL PUMP ................................................................................................ 3-8
All information subject to change without notice. (Rev. 2005)
6SE483 0507 Copyright © 2005 DETROIT DIESEL CORPORATION vii
SERIES 60 SERVICE MANUAL
3.3 OIL PRESSURE REGULATOR VALVE ................................................... 3-21
3.4 OIL PRESSURE RELIEF VALVE ............................................................. 3-28
3.5 OIL FILTER .............................................................................................. 3-34
3.6 OIL FILTER ADAPTOR ............................................................................ 3-36
3.7 THERMATIC OIL CONTROL VALVE ....................................................... 3-41
3.8 OIL COOLER (1991 AND LATER ENGINES) .......................................... 3-49
3.9 OIL COOLER (PRE-1991 ENGINES) ...................................................... 3-59
3.10 OIL LEVEL DIPSTICK ASSEMBLY ......................................................... 3-69
3.11 OIL PAN ................................................................................................... 3-74
3.12 VENTILATING SYSTEM .......................................................................... 3-82
3.A ADDITIONAL INFORMATION .................................................................. 3-91
4 COOLING SYSTEM
4.1 COOLING SYSTEM OVERVIEW ............................................................. 4-3
4.2 WATER PUMP (GEAR-CASE MOUNTED - 1991 AND LATER) (GCM) .. 4-7
4.3 WATER PUMP (FRONT MOUNTED) (FM) .............................................. 4-33
4.4 THERMOSTAT ........................................................................................ 4-58
4.5 COOLANT PRESSURE CONTROL CAP ................................................ 4-69
4.6 ENGINE COOLING FAN .......................................................................... 4-72
4.7 COOLANT FILTER AND CONDITIONER ................................................ 4-82
4.8 RADIATOR ............................................................................................... 4-84
4.A ADDITIONAL INFORMATION .................................................................. 4-85
5 FUEL, LUBRICATING OIL, AND COOLANT
5.1 FUEL ........................................................................................................ 5-3
5.2 LUBRICATING OIL (DIESEL) .................................................................. 5-10
5.3 LUBRICATING OIL FOR THE SERIES 60G ENGINE ............................. 5-15
5.4 COOLANT ................................................................................................ 5-17
6 AIR INTAKE SYSTEM
6.1 AIR INTAKE SYSTEM OVERVIEW ......................................................... 6-3
6.2 AIR CLEANER ......................................................................................... 6-7
6.3 INTAKE MANIFOLD ................................................................................. 6-9
6.4 CLOSED CRANKCASE BREATHER FOR SERIES 60G AUTOMOTIVE
ENGINES ................................................................................................. 6-18
6.5 TURBOCHARGER (DIESEL) .................................................................. 6-20
6.6 TURBOCHARGER SERIES 60 NATURAL GAS (AUTOMOTIVE)
ENGINE ................................................................................................... 6-43
6.7 RECIRCULATION VALVE FOR SERIES 60G AUTOMOTIVE ENGINE .. 6-61
6.8 CHARGE AIR COOLER ........................................................................... 6-63
6.9 THROTTLE ACTUATOR FOR THE SERIES 60G ENGINE .................... 6-72
6.10 AIR DRYER .............................................................................................. 6-76
6.A ADDITIONAL INFORMATION .................................................................. 6-77
7 EXHAUST SYSTEM
7.1 OVERVIEW OF EXHAUST MANIFOLD COMPONENTS ........................ 7-3
7.2 THREE-PIECE EXHAUST MANIFOLD WITH FEY RINGS ..................... 7-7
7.3 THREE-PIECE EXHAUST MANIFOLD WITHOUT FEY RINGS ............. 7-16
7.4 THREE-PIECE EXHAUST MANIFOLD WITH HEAT SHIELD ................. 7-23
(Rev. 2005) All information subject to change without notice.
viii 6SE483 0507 Copyright © 2005 DETROIT DIESEL CORPORATION
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Detroit Diesel 60 Series Diesel and Natural Gas-Fueled Engines Service & Repair Manual
Engines covered:
- 11.1L Family
- 12.7L Family
- 14L Family
This professional technical manual contains service, maintenance, troubleshooting, and replacement procedures for your engine, including step-by-step instructions, clear images, and exploded-view illustrations.
It is a valuable resource for both professional mechanics and DIY enthusiasts, providing manufacturer-sourced procedures that are easy to understand and follow.
The manual includes every troubleshooting and replacement procedure provided by the manufacturer, along with step-by-step instructions, exploded-view illustrations, torque specs, and clear images.
It offers the convenience of easily locating specific information without the hassle of flipping through numerous pages, making it a practical alternative to traditional bound manuals.
For those who prefer a physical copy, the manual is also printable.
Printable: Yes
Language: English
Compatibility: Compatible with various electronic devices, including PC, Mac, Android, and Apple devices.
Requirements: Adobe Reader (free)
