Procedures

266519 Removing and Installing Secondary Air Pump

Preliminary work

Preliminary work for removing secondary air pump
1. Remove intake distributor, cylinder bank 1-3.
2. Pull off cable plug from the knock sensor.

Removing secondary air pump

Wiring Harness For Secondary Air Pump:

1. Remove cable duct from the secondary air pump -2-. To do this, remove a fastening screw behind the secondary air pump -1-.

Cable Duct For Secondary Air Pump:

2. Pull off and release front fastening of cable duct -arrows-.
3. Detach cable plug from secondary air pump.

Knock Sensor and Secondary Air Pump:

4. Remove cable plug from knock sensor -1-. Unscrew union nut of pressure line (a/f 22) -2-.

Secondary Air Pump With Bracket:

5. Remove fastening screws from the secondary air pump -1-.
6. Remove secondary air pump from crankcase and replace seal. Clean sealing surfaces and plug the opening with a cloth.

Installing secondary air pump

Secondary Air Pump Seal:

1. Replace seal between secondary air pump and crankcase, clean the surfaces and turn the seal to fit exactly on two pre-fitted fastening screws.

Secondary Air Pump With Bracket:

2. Place the secondary air pump with the prefitted screws and the seal in the installation position. Carefully insert the pressure line in the secondary air pump. Position the three fastening screws and tighten them. Tightening torque 7.5 ftlb.. Position and tighten pressure line union nut -2-.

Knock Sensor And Secondary Air Pump:

3. Connect cable plug to knock sensor -1-.

Wiring Harness For Secondary Air Pump:

4. Fit cable plug and cable duct.
Tightening torque 7.5 ftlb..

Subsequent work

Work subsequent to installing secondary air pump
1. Install intake distributor, cylinder bank 1-3.