Injection Valves - Engine Removed

Removing And Installing Injection Valves - Engine Removed

WARNING: Observe the general safety instructions when working on the fuel system and when handling petrol and other fuels.

NOTE:
- Observe installation position of peripheral equipment.
- As fuel may emerge from the fuel collection pipe, a cloth or similar should be placed around the injection valves.

Removing Injection Valves Of Cylinder Bank 1 - 3
1. Remove connectors of the injection valves
2. Remove the cable duct from the fuel collection pipe.
3. Unscrew the 2 M6 hexagon-head bolts from the fuel collection pipe.
4. Carefully pull the fuel collection pipe upwards until the injection valves are free.

5. Pull out the tab washers -A- of the injection valves.
6. Carefully pull out the injection valves -B-.

Removing Injection Valves Of Cylinder Bank 4 - 6

Requirement: Remove the secondary air pump.

1. Remove connectors of the injection valves.
2. Remove the cable duct from the fuel collection pipe.
3. Unscrew the 2 M6 hexagon-head bolts from the fuel collection pipe.
4. Carefully pull the fuel collection pipe upwards until the injection valves are free.

5. Pull out the tab washers of the injection valves -A-.
6. Carefully pull out the injection valves -B-.

Installing Injection Valves Of Cylinder Bank 1 - 3

NOTE: If the injection valves are not replaced, the sealing O-rings of the injection valves must be checked and replaced, if necessary.

1. Coat the sealing rings of the injection valves slightly with Vaseline.
2. Press the injection valves carefully into the cylinder head.

3. Press the fuel collection pipe on to the injection valves -A-.
4. Install the tab washers -B- of the injection valves. Ensure correct seating.
5. Fasten the fuel collection pipe. To do so, screw in and tighten the two M6 screws.

Tightening torque 10 Nm (7.5 ftlb.)

6. Clip the cable duct to the fuel collection pipe.

Installing Injection Valves Of Cylinder Bank 4 - 6

NOTE: If the injection valves are not replaced? the sealing rings of the injection valves must be checked and replaced, if necessary.

1. Coat the sealing rings of the injection valves slightly with Vaseline.
2. Press the injection valves carefully into the cylinder head.