Fuel Pressure Release: Service and Repair

Draining fuel injection system

Special tools: 981 2270, 981 2273, 981 2282 999 5480, 999 5484




Removing covers
Remove:
- throttle pulley cover
- cap from valve on fuel rail.

Fuel Rail Service Port:

Connecting
Connect adapter 999 5484 to fuel draining unit 981 2270, 981 2273 and 981 2282.
Connect adapter to fuel rail valve in locked position (Figure 1, valve closed).
Start fuel drainage unit.
Unlock adapter (illustration 2 valve open).
Raise the car.




Draining fuel system
Remove cap from valve on fuel filter.
Connect venting hose 999 5480 to valve upstream of fuel filter.
System takes approximately 2 minutes to drain.

Installing
Reinstall components in reverse order.

Caution! Remember to refit valve caps.