sensor AUDI A4 1997 B5 / 1.G AFC Engine Assembly Workshop Manual
Page 7 of 20
10-5
- Remove intake air duct to air cleaner at air
scoop and lift out.
- Disconnect harness connectors for headlights and turn signal lights.
- Disconnect harness connector of engine coolant temperature sensor
near bottom coolant hose at left of radiator.
- Disconnect four harness connectors at ABS hydraulic unit.
- Disconnect harness connectors for anti-theft warning system at upper
left of front end.
- Disconnect coolant hose at top left of engine.
- Unclip and disconnect A/C clutch harness connectors at radiator air
guide on lower right.
- Disconnect harness connectors at both horns, let cables hang free.
- Remove air scoop.
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Page 8 of 20
10-6
- Disconnect harness connectors at Mass Air
Flow (MAF) sensor and Idle Air Control (IAC)
valve, unbolt hose from plenum chamber and
unclip.
- Disconnect hose connection at IAC valve.
- Remove air guide between air cleaner and
throttle body.
- Remove air cleaner housing.
- Disconnect fuel supply and return lines.
- Remove coolant expansion tank.
- Remove cover for electronics box.
- Unclip engine control module and disconnect harness connectors.
- Disconnect harness connectors at connector station below engine
control module.
- Disconnect ground connection and bracket for harness connectors at
plenum chamber.
- Disconnect both coolant lines to heater core between plenum chamber
and engine.
- Disconnect accelerator pedal cable and let hang free.
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