Air Injection Control Valve: Service and Repair

Removing And Installing Shut-Off Valve

Tools







Technical values







Information

Overview of shut-off valve







Preliminary work
1. Disconnect the battery.
2. Remove pressure pipe.
3. Remove air cleaner housing.
4. Lower the engine.
Lower the engine by max. 40 mm.
Support the engine using a jack and retainer plate P 9592.
Loosen and screw off M12 collar nuts on the engine mounting. Carefully lower the engine using the jack.

Removing shut-off valve

Removing shut-off valve, side 1-3







1. Remove fuel filter.







2. Remove secondary-air pump.







3. Remove oil-filter console.







4. Remove intake-air distributor 1-3.
5. Remove shut-off valve, side 1-3.







5.1. Release hose and pull it off. Unscrew M6 screws -2- and remove shut-off valve -1-.


Removing shut-off valve, side 4-6
1. Remove rear apron.
2. Remove charge air cooler on right.







3. Detach air conditioning compressor.







4. Remove oil filler neck.







5. Remove intake-air distributor, side 4-6.
6. Remove shut-off valve, side 4-6.







6.1. Release hose -2- and pull it off. Unscrew screws -3- and remove shut-off valve -1-.

Installing shut-off valve

Installing shut-off valve, side 1-3
1. Install shut-off valve 1-3. Use a new O-ring.







1.1. Fit shut-off valve -1- with new O-ring and screw in and tighten M6 screws -2-. Connect hose.
Tightening torque: 10 Nm (7.5 ftlb.)







2. Install intake-air distributor 1-3.







3. Install oil-filter console.







4. Install secondary-air pump.







5. Install fuel filter.

Installing shut-off valve, side 4-6.
1. Install shut-off valve 4-6. Use a new O-ring.







1.1. Fit shut-off valve -1- with new O-ring and screw in and tighten M6 screws -3-. Connect hose -2-.
Tightening torque: 10 Nm (7.5 ftlb.)







2. Install intake-air distributor, side 4-6.







3. Install oil filler neck.







4. Fit air conditioning compressor.
5. Install right charge air cooler.
6. Install rear apron.

Subsequent work
1. Raise the engine.
Raise engine into installation position with a jack, using retainer plate P 9592 to do this.
Screw in and tighten M12 collar nuts.
Tightening torque: 85 Nm (63 ftlb.)

2. Install air cleaner housing.
3. Fit pressure pipe.
4. Connect the battery.