Volkswagen Workshop Service and Repair Manuals

• Air cleaner
• ◆ Dismantling and assembling
• Air mass meter (G70)*
• ◆ Checking => Page 24-34
• ◆ 5 pin connector
• To activated charcoal filter solenoid valve (N80)*/**
• ◆ Activated charcoal filter system

=> Repair group 20; Removing and installing parts of the fuel supply system; Servicing parts of the activated charcoal filter system

• Intake hose

• Heater element (N79)
• ◆ For crankcase breather
• ◆ Resistance at ambient temperature (approx. 25 °C)
       Specification: 7...12 ω
• Crankcase breather pressure regulating valve
• Intake manifold - upper part
• ◆ Dismantling and assembling => Page 24-17
• Throttle valve control part (J338)*
• ◆ 8 pin connector
• ◆ Checking => Page 24-40
• ◆ If replaced match engine control unit => Page 24-125
• ◆ If replaced adapt control unit for automatic gearbox:

=> Self-diagnosis for automatic gearbox 01M; Repair group 01; Performing self-diagnosis; Introduce basic setting

• Connector, 28 pin
• ◆ Only disconnect or connect with ignition switched off
• ◆ Release to disconnect
• 10 Nm
• Bracket
• Motronic control unit (J220)*
• ◆ Fitting location: In plenum chamber
• ◆ Checking voltage supply => Page 24-115
• ◆ Procedure after voltage supply open circuit => Page 24-118
• ◆ Renew => Page 24-115
• Connector, 52-pin
• ◆ Only disconnect or connect with ignition switched off
• ◆ Release to disconnect

• To brake servo
• Retaining clip
• ◆ Check seated securely
• O ring
• ◆ Renew if damaged
• Coolant temperature sender (G62)*
• ◆ For engine control unit
• ◆ With coolant temperature gauge sender (G2)
• ◆ Checking
• ◆ If necessary release pressure in cooling system before removing
• Connector
• ◆ For coolant temperature sender (G62)
• ◆ 4 pin
• ◆ Black
• ◆ Contacts gold plated

• Connector
• ◆ Black, 2-pin
• ◆ For injector (N30...N33)
• 20 Nm
• Support
• ◆ Between intake manifold upper part and engine block
• Gasket
• ◆ Renew
• Intake manifold - lower part
• ◆ Dismantling and assembling
• Engine speed sender (G28)*
• ◆ Checking => Page 24-67
• Spacer ring

• Lambda probe 2 after catalyst (G130)*, 50 Nm
• ◆ Location: Behind catalyst
• ◆ Grease only the threads with "G 052 112 A3"; "G 052 112 A3" must not get into the slots on the probe body
• ◆ Checking Lambda probe and Lambda regulation after catalyst => Page 24-100
• ◆ Checking Lambda probe heating for Lambda probe after catalyst => Page 24-30
• 4 pin connector
• ◆ For Lambda probe 2 after catalyst (G130) and Lambda probe heating
• ◆ Fitting location => Page 24-1 , engine compartment overview

• Lambda probe 1 before catalyst (G39)*, 50Nm
• ◆ Location: In front exhaust pipe
• ◆ Grease only the threads with "G 052 112 A3"; "G 052 112 A3" must not get into the slots on the probe body
• ◆ Checking Lambda probe and Lambda regulation before catalyst
  => Page 24-93
• ◆ Checking Lambda probe heating before catalyst => Page 24-26
• 4-pin connector
• ◆ Black for Lambda probe 1 before catalyst (G39) and Lambda probe heater
• ◆ Fitting location => Page 24-1 , engine compartment overview
• Heat shield

• To crankcase
• Warm air intake
• ◆ From warm air collector on exhaust manifold
• Retaining ring
• Supply pipe/hose
• ◆ White arrow
• ◆ Secure with spring-type clips
• ◆ From fuel filter:

=> Repair Group 20; Removing and installing parts of fuel supply system; Removing and installing fuel tank with attachments and fuel filter

• Return pipe
• ◆ Blue arrow
• ◆ Secure with spring-type clips
• ◆ Check securely seated
• ◆ To the fuel delivery unit in fuel tank

=> Repair Group 20; Removing and installing parts of fuel supply system; Removing and installing fuel tank with attachments and fuel filter