Headlamps, Service Preparation

Headlamps, Service Preparation

The following equipment and engine-dependent procedures are required in order to replace certain headlamp bulbs.

1.8L 4-Cylinder Turbo Engine, Preparation

Procedure

- Remove screws - arrows -.





- Remove Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 (N80)- 1 - at air duct.

- Remove air duct - 2 -.

- Disconnect electrical connections:





1. at Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 (N80)

2. at Mass Air Flow (MAF) Sensor (G70)

3. at Wastegate Bypass Regulator Valve (N75)

- Disconnect hoses - 4... 7 -.

- Disconnect hose to secondary air pump.

- Set aside wiring.

- Release fastener - 8 -.

- Remove air cleaner housing.

• The vacuum line leading to combination valve for secondary air is clipped onto the underside of the air intake hose.

Install in reverse order of removal.

2.0L 4-Cylinder Turbo FSI Engine, Preparation

Procedure

- Remove screws - arrows -.





- Remove Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 (N80) - 1 - at air duct.

- Remove air duct - 2 -.

- Remove air intake hose - 1 - between turbocharger and air cleaner housing.





- Disconnect electrical connection - 2 - at Mass Air Flow (MAF) Sensor (G70).

- Pull off clip - 3 - and remove air cleaner housing together with Mass Air Flow (MAF) Sensor (G70).

Install in reverse order of removal.

3.0L 6-Cylinder Engine, Preparation

Procedure

- Remove screws - arrows -.





- Remove Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 (N80) - 1 - at air duct.

- Remove air duct - 2 -.

- Pull off lines and disconnect electrical connections:





1. at Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 (N80)

2. vacuum hose at Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 (N80)

3. at Mass Air Flow (MAF) Sensor (G70)

- Pull off hose connections, set aside hoses and remove air cleaner housing - arrows -

• Disregard - 4 - and - 5 -.

Install in reverse order of removal.

3.2L 6-Cylinder FSI Engine, Preparation

Procedure

- Remove screws - arrows -.





- Remove air duct - 1 - and - 2 -.

- Release fastener - arrow -.





- Remove air cleaner housing.

Install in reverse order of removal.

4.2L 8-Cylinder Engine, Audi S4, Preparation

Procedure

- Remove right engine cover - 1 -.





- Remove screws - arrows -.





- Remove Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 (N80) - 1 - at air duct.

- Remove air duct - 2 -.

- Disconnect electrical connection - 2 - at Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 (N80 ).





- Disconnect electrical connection - 3 - at Mass Air Low (MAF) Sensor (G70).

- Disconnect hose - 1 - to secondary air pump.

- Remove air intake hose - 4 - at Mass Air Low (MAF) Sensor (G70).

- Set aside wiring harness at air cleaner housing.

- Remove clip - arrow - and remove air cleaner housing together with Mass Air Low (MAF) Sensor (G70).

Install in reverse order of removal.

4.2L 8-Cylinder FSI Engine, Audi RS4, Preparation

Procedure

- Remove rear engine cover in direction of - arrows -.





- Remove screws - arrows -.





- Remove air duct - 1 - and - 2 -.

- Disconnect electrical connection - 4 - for Mass Air Flow (MAF) Sensor (G70).





- Remove hose - 5 - to Secondary Air Injection (AIR) pump.

- Remove vacuum hoses - 1 -.

- Remove air guide hose - 3 - at Mass Air Flow (MAF) Sensor.

- Free up wiring harness at air filter housing.

- Remove screws - arrows - and remove upper part of air filter housing.

- Disengage electrical wiring harness bracket at body.

- Remove clip - arrow - and remove air filter housing with Mass Air Flow (MAF) sensor.

• Disregard item - 6 -.

Install in reverse order of removal.