2006-2008 Volkswagen Passat Service & Repair Manual

28 - 1 Ignition system, servicing General notes on ignition system 28 - 1, General notes on ignition system Safety precautions 28 - 1, Safety precautions Ignition, assembly overview 28 - 1, Ignition, assembly overview Ignition coils with power output stages, removing and installing 28 - 1, Ignition coils with power output stage, removing and installing Test Data, Spark Plugs 28 - 1, Technical data, spark plugs General notes on ignition system For electric components to work properly, a voltage of at least 11.5 V is required. To conclude work, check DTC memory of Engine Control Module (ECM), erase all DTC entries which may have occurred during the tests and repairs. If DTC memory was erased, generate readiness code Vehicle Diagnosis, Testing and Information System VAS 5051 "Guided Function" . If the engine only starts briefly and then turns off again after troubleshooting, repair or checking of the components, it may be that the immobilizer is blocking the Engine Control Module (ECM). Control module must then be adapted if necessary Vehicle Diagnosis, Testing and Information System VAS 5051 "Guided Functions" . Safety precautions To reduce the risk of personal injury and/or damage to the fuel injection and ignition system, always observe the following: Do not touch or disconnect ignition coils with power output stages when engine is running or turning at starting RPM. Only disconnect and reconnect wires for injection Стр. 1 из 5 Volkswagen Passat B6 - Ignition system, servicing

and ignition system, including test leads, when ignition is switched off. If special testing equipment is required during a road test. Note the following: Test and measuring instruments must be secured to rear seat and operated by a 2nd person from this location. If test and measuring instruments are operated from the front passengers seat and the vehicle is involved in an accident, there is a possibility that the person sitting in this seat may receive serious injuries when the airbag is triggered. Ignition, assembly overview Knock Sensor (KS) I G61 To remove, coolant Стр. 2 из 5 Ignition system, servicing

thermostat housing must be removed 19 - 1, Coolant thermostat housing with coolant thermostat, removing and installing Contacts gold plated Knock sensor 2 G66 To remove, oil filter bracket must be removed 17 - 1, Oil filter bracket, removing and installing Contacts gold plated Ignition coil with power output stage (N70, N127, N291, N292) Removing and installing 28 - 1, Ignition coils with power output stage, removing and installing Spark plug 25 Nm Type and electrode gap 28 - 1, Technical data, spark plugs Removing and installing with spark plug removal tool 3122 B 20 Nm Tightening torque affects function of Knock Sensor (KS) 10 Nm Camshaft Position (CMP) sensor G40 Contacts gold plated O-ring Стр. 3 из 5 Ignition system, servicing

Ignition coils with power output stage, removing and installing Special tools, testers and auxiliary items required Puller T40039 Note: To pull off spark plugs, place ignition coil puller T40039 on upper most thick rib - arrow - of ignition coils with power output stages. Lower ribs may be damaged if they are used. Стр. 4 из 5 Ignition system, servicing

- Release connectors and pull all connectors simultaneously off from ignition coils. - Remove ignition coils from spark plug shaft using Ignition Coil Puller T40039 . Installing: - Insert ignition coils loosely into spark plug shaft. - Align ignition coils to connectors and then connect all of the connectors simultaneously onto ignition coils. - Press ignition coils evenly onto spark plugs by hand. Technical data, spark plugs Engine code BPY Ignition sequence 1-3-4-2 Spark plugs VW/Audi 101 905 631 B Manufacturer s designation F6KPP 332 S Electrode gap 0.7 to 0.8 mm Torque specifications 25 Nm Стр. 5 из 5 Ignition system, servicing

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2006-2008 Volkswagen Passat Service & Repair Manual

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