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Audi Workshop Service and Repair Manuals

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Dismantling and assembling air cleaner > < Fitting locations overview

A4 Mk1

Motronic injection and ignition system (6-cylinder)
Servicing Motronic injection system
Removing and installing parts of the injection system
 
N24-0593
  • Air cleaner
    • ◆ Dismantling and assembling
  • 20 Nm
  • Air mass meter -G70
  • Connector
    • ◆ Blue, 4 pin
    • ◆ For coolant temperature sender -G62
  • Coolant temperature sender -G62
    • ◆ Blue
    • ◆ For engine control unit
    • ◆ With coolant temperature gauge sender -G2
    • ◆ Before removing, release pressure from cooling system
 
N24-0593
  • O ring
    • ◆ Renew if damaged
  • Return pipe
    • ◆ Blue
    • ◆ Secure with spring-type clips
    • ◆ Check securely seated
  • Supply pipe/hose
    • ◆ Black
  • 10 Nm
  • Retaining clip
    • ◆ Check seated securely
  • Connecting hose
  • Engine control unit
    • (Motronic control unit -J220)
    • ◆ Located in electronics box in plenum chamber (left-hand side)
 
N24-0593
  • Securing plate
  • Connector, 28 pin
    • ◆ Only disconnect or connect with ignition switched off
    • ◆ Release to disconnect
  • Connector
    • ◆ Only disconnect or connect with ignition switched off
    • ◆ Release to disconnect
  • Air intake elbow
  • Connector
    • ◆ Black, 2-pin
    • ◆ For intake air temperature sender -G42
  • 10 Nm
 
N24-0593
  • Connector
    • ◆ Blue, 2 pin
    • ◆ For intake manifold change-over valve -N156
  • To crankcase breather valve
  • Seal
  • 4 pin connector
    • ◆ Black
    • ◆ For Lambda probe and Lambda probe heating
  • Connector
    • ◆ Black, 2-pin
    • ◆ For injectors -N30...-N33, -N83, -N84
 
N24-0593
  • Lambda probe 2 -G108, 50 Nm
    • ◆ Cylinder bank 2
  • 10 Nm
  • Engine speed sender -G28
    • ◆ In gearbox housing above starter ring gear
  • O ring
  • Spacer
  • 3 pin connector
    • ◆ Grey
    • ◆ For engine speed sender
  • Vacuum reservoir
    • ◆ For intake manifold change-over at full load
 
N24-0593
  • Gasket
  • Intake manifold
    • ◆ Removing and installing parts of intake manifold change-over
      => Page 24-17
    • ◆ Removing and installing throttle valve control part
      => Page 24-19
  • Fuel rail with injectors
    • ◆ Dismantling and assembling
      => Page 24-16
  • Lambda probe 1 -G39, 50 Nm
    • ◆ Cylinder bank 1
    • ◆ Voltage supply for Lambda probe heating via fuel pump relay -J17

Dismantling and assembling air cleaner > < Fitting locations overview