Passat (B3): Power unit
Also for this vehicle: Passat 4Motion V6-2.8L (ATQ) (2005), Passat GLS 4Motion V6-2.8L (ATQ) (2002), Passat GLS L4-1.8L Turbo (AUG) (2001), Passat GLS V6 V6-2.8L (ATQ) (2001), Passat GLS Wagon L4-1.8L Turbo (AUG) (2001), Passat GLS Wagon L4-1.8L Turbo (AWM) (2002), Passat GLS Wagon V6 V6-2.8L (ATQ) (2001), Passat GLX V6 V6-2.8L (ATQ) (2001), Passat GLX Wagon V6 V6-2.8L (ATQ) (2001), Passat L4-1.8L Turbo (AWM) (2004), Passat L4-1984cc 2.0L DOHC (1991), Passat L4-1984cc 2.0L DOHC (9A) (1990), Passat Sedan 4Motion V6-2.8L (ATQ) (2003), Passat Sedan 4Motion V6-3.6L (BLV) (2007), Passat Sedan 4Motion W8-4.0L (BDP) (2002), Passat Sedan L4-1.8L Turbo (AWM) (2003), Passat Sedan L4-1.9L DSL Turbo (AAZ) (1995), Passat Sedan L4-1.9L DSL Turbo (AHH) (1998), Passat Sedan L4-1781cc 1.8L DOHC Turbo (ATW) (2000), Passat Sedan L4-1781cc 1.8L Turbo (AEB) (1999), Passat Sedan L4-1896cc 1.9L DSL Turbo (1Z) (1997), Passat Sedan L4-2.0L (ABA) (1996), Passat Sedan L4-2.0L Turbo (BPY) (2007), Passat Sedan L4-2.0L Turbo (CCTA) (2010), Passat Sedan V6-2.8L (ATQ) (2000), Passat Sedan V6-2771cc 2.8L DOHC (AHA) (1998), Passat Sedan V6-2792cc 2.8L DOHC (1994), Passat Sedan V6-2792cc 2.8L DOHC (AAA) (1995), Passat Sedan V6-2792cc 2.8L DOHC (AAA) SFI (1997), Passat Sedan V6-3.6L (BLV) (2008), Passat Syncro Sedan L4-1781cc 1.8L DOHC Turbo (ATW) (2000), Passat Syncro Sedan V6-2771cc 2.8L DOHC (AHA) (1999), Passat Syncro Wagon V6-2.8L (ATQ) (2000), Passat Syncro Wagon V6-2771cc 2.8L DOHC (AHA) (1998), Passat V6-2.8L (ATQ) (2004), Passat V6-3.6L (BLV) (2006), Passat Wagon 4Motion V6-2.8L (ATQ) (2003), Passat Wagon L4-1.8L Turbo (AWM) (2003), Passat Wagon L4-1.9L DSL Turbo (AAZ) (1996), Passat Wagon L4-1.9L DSL Turbo (AHU) (1997), Passat Wagon L4-1781cc 1.8L DOHC Turbo (ATW) (2000), Passat Wagon L4-1781cc 1.8L Turbo (AEB) (1998), Passat Wagon L4-2.0L (ABA) (1995), Passat Wagon L4-2.0L Turbo (BPY) (2008), Passat Wagon L4-2.0L Turbo (CCTA) (2009), Passat Wagon V6-2.8L (ATQ) (2000), Passat Wagon V6-2792cc 2.8L DOHC (1994), Passat Wagon V6-3.6L (BLV) (2007).
Steering & suspension
Body & interior
General
Transmission
Engine
Heating & A/C
Choose Sections to see everything in a chapter, or a chapter title to start at its first page.
Simos injection and ignition system53 pages
Self diagnosis, V.A.G Inspection Service › Self diagnosis11 pages
- Function
- Technical data of self diagnosis
- Connecting fault reader V.A.G 1551 and selecting engine electronics control unit
- Coding Simos control unit
- Interrogating and erasing fault memory
- Fault table
- Final control diagnosis
- Read measured value block
- Display group overview, engine code ADY and AGG
- Display group overview, engine code AFT
Mixture preparation system, electronic inj.,Gas › Simos injection and ignition system31 pages
- Fitting locations overview, engine codes ADY and AGG
- Fitting locations overview, engine code AFT
- Servicing injection part
- Dismantling and assembling intake manifold, engine codes ADY and AGG
- Dismantling and assembling intake manifold - upper part, engine code AFT
- Dismantling and assembling intake manifold - lower part, engine code AFT
- Dismantling and assembling air cleaner, engine codes ADY and AGG
- Dismantling and assembling air cleaner, engine code AFT
- Safety precautions
- Rules for cleanliness
- Technical data
- Idling check
- Performing basic setting
- Checking Lambda probe and Lambda control
- Checking Lambda probe heating
- Checking engine operating mode
- Checking intake manifold change-over valve
- Checking air mass meter
- Checking throttle valve control part
- Checking coolant temperature sender
- Checking intake air temperature sender
- Checking engine speed sender
- Checking speed signal
- Checking control unit voltage supply
- Matching engine electronic control unit to electronic immobilizer
- Checking air conditioner and air conditioner compressor signals
- Checking starter signal
- Checking injectors
- Checking fuel pressure regulator and holding pressure
- Checking intake air system for leaks (unmetered air)
Ignition system, glow plug system › Simos injection and ignition system11 pages
Motronic injection and ignition system (6-Cyl. engine)67 pages
Self diagnosis, V.A.G Inspection Service18 pages
Mixture preparation system, electronic inj.,Gas41 pages
Servicing injection system10 pages
Checking components15 pages
- Checking Lambda probe heating
- Checking air mass meter
- Checking throttle valve control part
- Checking throttle valve potentiometer
- Checking coolant temperature sender
- Checking intake manifold temperature sender
- Checking engine speed sender
- Checking fuel pressure regulator and holding pressure
- Checking intake air system for leaks (unmetered air)
- Matching engine electronic control unit to electronic immobilizer
- Removing and installing injectors
- Checking injectors
- Checking and adjusting throttle closing damper
- Matching automatic gearbox control unit and throttle valve potentiometer to one another
Checking additional signals4 pages
Ignition system, glow plug system › Servicing ignition8 pages
Diesel injection and glow plug system39 pages
Self diagnosis, V.A.G Inspection Service › Self diagnosis9 pages
Fuel preparation system Diesel injection26 pages
Servicing fuel injection system18 pages
- Injection pump with two-part sprocket
- Servicing fuel filter
- Rules for cleanliness
- Checking fuel system for leaks
- Actuator controlled, load-dependent injection timing
- Removing and installing injection pump
- Checking and adjusting injection pump timing
- Checking valve timing
- Adjusting idling speed, idling speed boost and engine governed speed
- Residual volume basic setting
- Idling speed boost actuator
- Checking commencement of injection valve
- Checking engine temperature sender
- Resistance figures for engine temperature sender
- Checking idling speed boost valve
- Removing and installing injectors
- Servicing injectors
Servicing injection pump8 pages
- Removing and installing throttle lever or return spring
- Renewing pump cover throttle lever bush, pump cover gasket and throttle lever shaft O-ring
- Renewing fuel delivery adjusting screw O-ring
- Renewing idling speed boost shaft O-ring
- Renewing injection timing device cover O-ring
- Renewing CSA lever/cover O-ring
- Sealing injection pump connections
Ignition system, glow plug system › Checking glow plug system4 pages
Digifant injection and ignition system (4-valve)46 pages
Self diagnosis, V.A.G Inspection Service › Self diagnosis9 pages
Mixture preparation system, electronic inj.,Gas › Digifant injection and ignition system26 pages
- Fitting locations overview
- Servicing injection part
- Dismantling and assembling intake manifold upper part
- Dismantling and assembling intake manifold lower part
- Dismantling and assembling air cleaner
- Safety precautions
- Rules for cleanliness
- Technical data
- Performing basic setting
- Checking Lambda probe and Lambda control
- Checking idling stabilization
- Checking engine operating mode
- Checking throttle valve potentiometer
- Checking coolant temperature sender
- Checking intake air temperature sender
- Checking engine speed sender
- Checking and adjusting idling switch
- Checking control unit voltage supply
- Matching engine electronic control unit to electronic immobilizer
- Checking Lambda probe heating
- Checking starter signal
- Checking injectors
- Checking fuel pressure regulator and holding pressure
- Checking intake air system for leaks (unmetered air)
- Checking intake air preheating
Ignition system, glow plug system › Digifant injection and ignition system11 pages
Diesel direct injection and glow plug system51 pages
Self diagnosis, V.A.G Inspection Service › Self diagnosis12 pages
- Function
- Technical data of self diagnosis
- Connecting fault reader V.A.G 1551 and selecting engine electronics control unit
- Interrogating fault memory
- Fault table
- Erasing fault memory
- Final control diagnosis
- Reading measured value block
- Display group overview
- Evaluating measured value blocks, engine codes 1Z and AHU
- Evaluating measured value blocks, engine code AFN
Fuel preparation system Diesel injection37 pages
Servicing Diesel direct injection system33 pages
- Safety precautions
- Rules for cleanliness
- Fitting locations overview
- Servicing injection pump
- Servicing fuel filter
- Servicing accelerator linkage
- Setting engine to number 1 cylinder with engine removed
- Removing, installing and adjusting accelerator position sender
- Checking sender adjustment
- Removing and installing injection pump
- Dynamically checking and adjusting commencement of injection
- Checking valve timing
- Removing and installing injectors
- Servicing injectors
- Removing and installing fuel temperature sender
- Renewing injection timing device cover O-ring
- Wiring and component check with test box V.A.G 1598/18
- Checking engine speed sender
- Checking intake manifold pressure sender and altitude sender
- Checking coolant temperature sender
- Checking brake light switch and brake pedal switch
- Checking intake manifold sender
- Checking Diesel direct injection system current supply
- Checking fuel temperature sender
- Checking modulating piston movement sender and quantity adjuster
- Checking needle lift sender
- Checking injection adjuster control range
- Checking charge pressure control
- Hose connection diagram for charge pressure control, engine code AFN
- Checking exhaust gas recirculation and air mass meter function
- Checking speedometer sender
- Checking accelerator position sender
Replacing, coding and matching engine control unit4 pages
6-cyl. fuel injection engine Mechanics56 pages
Engine assy,cylinder block,crankcase › Removing and installing engine8 pages
Enginecrankshaft group, pistons10 pages
Dismantling and assembling engine4 pages
Removing and installing sealing flanges and flywheel/drive plate3 pages
- Removing and installing crankshaft
Engine cylinder head, valve gear11 pages
Removing and installing cylinder head4 pages
Engine lubrication › Removing and installing parts of the lubrication system4 pages
Engine cooling › Removing and installing parts of cooling system8 pages
- Parts of cooling system body side
- Parts of cooling system engine side
- Dismantling and assembling coolant thermostat housing
- Draining and filling cooling system
- Removing and installing radiator and radiator fan
- Removing and installing coolant pump
- Checking coolant continued circulation pump and radiator fan run-on
Fuel supply, gas operation › Removing and installing parts of fuel supply system10 pages
- Removing and installing fuel tank with its attachments and fuel filter, front wheel drive
- Removing and installing fuel tank with its attachments and fuel filter, four wheel drive
- Safety precautions when working on the fuel supply system
- Rules for cleanliness
- Adjusting throttle cable
- Removing and installing fuel delivery unit
- Checking fuel pump
- Removing and installing parts of the activated charcoal filter system
- Checking fuel tank breather
Exhaust system › Removing and installing parts of exhaust system, front wheel drive2 pages
4-Cyl. Injection Engine, Mechanic62 pages
Engine assy,cylinder block,crankcase › Removing and installing engine8 pages
Enginecrankshaft group, pistons10 pages
Dismantling and assembling engine3 pages
Removing and installing sealing flange and flywheel/drive plate3 pages
Engine cylinder head, valve gear9 pages
Engine lubrication › Removing and installing parts of the lubrication system2 pages
Engine cooling › Removing and installing parts of cooling system6 pages
Fuel supply, gas operation › Removing and installing parts of fuel supply system9 pages
- Removing and installing fuel tank with its attachments and fuel filter
- Safety precautions when working on the fuel supply system
- Rules for cleanliness
- Adjusting throttle cable
- Removing and installing fuel delivery unit
- Checking fuel pump
- Servicing the activated charcoal filter system
- Checking fuel tank breather
Exhaust system15 pages
- Removing and installing parts of exhaust system
Exhaust gas recirculation system2 pages
Secondary air system (Vehicles > 07.95)6 pages
Secondary air system (Vehicles 08.95 >)6 pages
Digifant Injection and Ignition System42 pages
Self diagnosis, V.A.G Inspection Service9 pages
Mixture preparation system, electronic inj.,Gas › Digifant injection and ignition system24 pages
- Fitting locations overview
- Servicing injection part
- Safety precautions
- Rules for cleanliness
- Technical data
- Idling check
- Checking idling stabilization
- Checking Lambda probe and Lambda control
- Checking engine operating mode
- Checking throttle valve potentiometer
- Matching automatic gearbox control unit and throttle valve potentiometer to one another
- Checking coolant temperature sender
- Checking intake air temperature sender
- Checking air mass meter potentiometer
- Checking control unit voltage supply
- Checking fuel pressure regulator and holding pressure
- Removing and installing injectors
- Checking injectors
- Checking intake air system for leaks (unmetered air)
- Checking intake air preheating
- Basic throttle valve setting
- Checking and adjusting throttle closing damper
- Vacuum hose connection diagram
Ignition system, glow plug system › Digifant injection and ignition system9 pages
Mono-Motronic Injection and Ignition system45 pages
Self diagnosis, V.A.G Inspection Service11 pages
Mixture preparation system, electronic inj.,Gas › Mono-Motronic injection and ignition system24 pages
- Fitting locations overview
- Servicing injection part
- Dismantling and assembling intake manifold
- Dismantling and assembling air cleaner and intake elbow
- Servicing injection unit
- Safety precautions
- Rules for cleanliness
- Technical data
- Idling speed check
- Checking Lambda probe
- Checking engine operating mode
- Checking throttle valve positioner
- Checking and adjusting idling switch
- Checking sender for throttle valve positioner
- Matching engine electronic control unit to electronic immobilizer
- Checking throttle valve potentiometer
- Checking coolant temperature sender
- Checking intake air temperature sender
- Checking speed signal
- Checking injector
- Checking fuel pressure regulator and holding pressure
- Checking intake air system for leaks (unmetered air)
- Checking intake air preheating
Ignition system, glow plug system › Mono-Motronic injection and ignition system10 pages
Motronic fuel injection and ignition system ? 07.9548 pages
Self diagnosis, V.A.G Inspection Service › Self-diagnosis11 pages
Mixture preparation system, electronic inj.,Gas › Motronic injection and ignition system27 pages
- Fitting locations overview
- Servicing injection part
- Dismantling and assembling intake manifold - Upper part
- Dismantling and assembling intake manifold - lower part
- Dismantling and assembling air cleaner
- Safety precautions
- Rules for cleanliness
- Technical data
- Idling check
- Checking idling stabilization
- Checking Lambda probe and Lambda control
- Checking Lambda probe heating
- Checking engine operating mode
- Checking air mass meter
- Checking throttle valve potentiometer
- Matching automatic gearbox control unit and throttle valve potentiometer to one another
- Checking coolant temperature sender
- Checking intake manifold temperature sender
- Checking engine speed sender
- Testing speed signal
- Checking control unit voltage supply
- Checking signal from air conditioner compressor
- Checking injectors
- Checking fuel pressure regulator and holding pressure
- Checking intake air system for leaks (unmetered air)
- Checking intake air preheating
Ignition system, glow plug system › Motronic injection and ignition system10 pages
Motronic fuel injection and ignition system 08.9556 pages
Self diagnosis, V.A.G Inspection Service › Self diagnosis14 pages
- Function
- Significance of the exhaust gas warning lamp MIL (Malfunction Indicator Lamp)
- Technical data of self diagnosis
- Connecting fault reader V.A.G 1551 and selecting engine electronics control unit
- Coding control unit
- Interrogating fault memory
- Fault table
- Erasing fault memory
- Reading off readiness code
- Generating readiness code
- Final control diagnosis
- Read measured value block
- Display group overview
Mixture preparation system, electronic inj.,Gas › Motronic injection and ignition system30 pages
- Fitting locations overview
- Servicing injection part
- Dismantling and assembling intake manifold - Upper part
- Dismantling and assembling intake manifold - lower part
- Dismantling and assembling air cleaner
- Safety precautions
- Rules for cleanliness
- Technical data
- Idling check
- Checking Lambda probe and Lambda control before catalyst
- Checking Lambda probe heating for Lambda probe before catalyst
- Check Lambda probe and Lambda control after catalyst
- Check Lambda probe heating after catalyst
- Checking Lambda probe ageing Lambda probe before catalyst
- Checking engine operating mode
- Checking air mass meter
- Checking throttle valve control part
- Performing basic setting
- Checking coolant temperature sender
- Checking intake manifold temperature sender
- Checking engine speed sender
- Checking speed signal
- Checking control unit voltage supply
- Checking signal from automatic gearbox
- Checking signal from air conditioner compressor
- Checking injectors
- Checking fuel pressure regulator and holding pressure
- Checking intake air system for leaks (unmetered air)
- Checking intake air preheating
Ignition system, glow plug system › Motronic injection and ignition system12 pages
- Servicing ignition part
- Safety precautions
- Test data, spark plugs
- Removing and installing distributor
- Checking ignition timing
- Check misfiring recognition
- Checking ignition timing control
- Checking Hall sender
- Checking knock sensor and knock control
- Checking ignition transformer
- Checking ignition transformer output stage
Motronic injection and ignition system (4-Cyl.)43 pages
Self diagnosis, V.A.G Inspection Service12 pages
Mixture preparation system, electronic inj.,Gas › Motronic injection and ignition system23 pages
- Fitting locations overview
- Servicing injection part
- Dismantling and assembling intake manifold - Upper part
- Dismantling and assembling intake manifold - lower part
- Dismantling and assembling air cleaner
- Safety precautions
- Rules for cleanliness
- Technical data
- Idling check
- Checking idling stabilization
- Checking Lambda probe and Lambda control
- Checking engine operation
- Checking throttle valve potentiometer
- Matching automatic gearbox control unit and throttle valve potentiometer to one another
- Checking intake manifold temperature sender
- Checking coolant temperature sender
- Checking speed signal
- Matching engine electronic control unit to electronic immobilizer
- Checking fuel pressure regulator and holding pressure
- Checking injectors
- Checking intake air system for leaks (outside air)
- Checking intake air preheating
Ignition system, glow plug system › Motronic injection and ignition system8 pages
4-cyl. fuel injection engine (2-valve), Mechanics58 pages
Engine assy,cylinder block,crankcase › Removing and installing engine8 pages
Enginecrankshaft group, pistons10 pages
Dismantling and assembling engine3 pages
Removing and installing sealing flanges and flywheel/drive plate3 pages
Engine cylinder head, valve gear9 pages
Engine lubrication › Removing and installing parts of the lubrication system2 pages
Engine cooling › Removing and installing parts of cooling system7 pages
Fuel supply, gas operation › Removing and installing parts of fuel supply system10 pages
- Removing and installing fuel tank with its attachments and fuel filter, front wheel drive
- Removing and installing fuel tank with its attachments and fuel filter, four wheel drive
- Safety precautions when working on the fuel supply system
- Rules for cleanliness
- Adjusting throttle cable
- Removing and installing fuel delivery unit
- Checking fuel pump
- Removing and installing parts of activated charcoal filter system
- Checking activated charcoal filter shut-off valve
Exhaust system9 pages
Removing and installing parts of exhaust system, front wheel drive5 pages
Removing and installing parts of exhaust system, four wheel drive4 pages
4-Cyl. diesel engine, Mech.77 pages
Engine assy,cylinder block,crankcase › Removing and installing engine8 pages
Enginecrankshaft group, pistons13 pages
Removing and installing sealing flanges and flywheel/drive plate3 pages
Dismantling and assembling pistons and conrods3 pages
Engine cylinder head, valve gear11 pages
Engine lubrication › Removing and installing parts of the lubrication system3 pages
Engine cooling › Removing and installing parts of cooling system6 pages
Fuel supply, gas operation › Removing and installing parts of fuel supply system7 pages
Exhaust turbocharger, G-charger › Charge air system with turbocharger9 pages
- Removing and installing turbocharger with attachments
- Removing and installing parts of charge air cooling system
- Rules for cleanliness
- Turbocharger hose/pipe connections
- Removing and installing turbocharger
- Checking turbocharger
- Checking pressure unit for charge pressure regulating valve
- Removing and installing pressure unit for charge pressure regulating valve
Exhaust system17 pages
- Removing and installing parts of exhaust system
Exhaust gas recirculation system, engine codes 1Z and AHU4 pages
Exhaust gas recirculation system, engine code AFN4 pages
Exhaust gas recirculation system, engine code AAZ8 pages
4-Cyl. fuel injection engine (4-valve), Mechanics48 pages
Engine assy,cylinder block,crankcase › Removing and installing engine8 pages
Enginecrankshaft group, pistons10 pages
Dismantling and assembling engine4 pages
Removing and installing sealing flange and flywheel2 pages
Engine cylinder head, valve gear9 pages
Engine lubrication › Removing and installing parts of the lubrication system2 pages
Engine cooling › Removing and installing parts of cooling system6 pages
Fuel supply, gas operation › Removing and installing parts of fuel supply system9 pages
- Removing and installing fuel tank with its attachments
- Safety precautions when working on the fuel supply system
- Rules for cleanliness
- Adjusting throttle cable
- Removing and installing fuel delivery unit
- Checking fuel pump
- Removing and installing parts of the activated charcoal filter system
- Checking fuel tank breather
- Exhaust system › Removing and installing parts of exhaust system
4-cyl. fuel injection engine (cross-flow cylinder head)48 pages
Engine assy,cylinder block,crankcase › Removing and installing engine8 pages
Enginecrankshaft group, pistons10 pages
Dismantling and assembling engine3 pages
Removing and installing sealing flange and pressure plate/drive plate3 pages
Engine cylinder head, valve gear9 pages
Engine lubrication › Removing and installing parts of the lubrication system2 pages
Engine cooling › Removing and installing parts of cooling system6 pages
Fuel supply, gas operation › Removing and installing parts of fuel supply system9 pages
- Removing and installing fuel tank with its attachments and fuel filter
- Safety precautions when working on the fuel supply system
- Rules for cleanliness
- Adjusting throttle cable
- Removing and installing fuel delivery unit
- Checking fuel pump
- Servicing the activated charcoal filter system
- Checking fuel tank breather
- Exhaust system › Removing and installing parts of exhaust system