Fuel accumulator - removal and refitting

Note: Refer to the precautions at the end of Section 1 before proceeding.

Pre-1986 models
Removal
1 The fuel accumulator is mounted adjacent to the fuel pump, above the rear left-hand suspension arm.

2 Disconnect the battery negative lead.

3 Raise the rear of the car and support it on axle-stands (see “Jacking and Vehicle Support”).

4 Relieve the system pressure by slowly loosening the fuel feed pipe at the warm-up regulator. Absorb fuel leakage in a cloth.

5 Disconnect the fuel pipes from the fuel accumulator and catch the small quantity of fuel which will be released (see illustration).

7.5 Fuel pipe connections (arrowed) at the underbody mounted fuel accumulator
7.5 Fuel pipe connections (arrowed) at the underbody mounted fuel accumulator

6 Remove the clamp screw and remove the accumulator.

Refitting
7 Refitting is a reversal of removal. Check for leaks on completion (with the engine restarted).

1986 models onwards
Removal
8 On later models with K-Jetronic and KEJetronic systems the fuel accumulator is located in the engine compartment behind the fuel distributor.

9 Disconnect the battery negative lead.

10 For access remove the air cleaner as described in Section 2.

11 Relieve the system pressure by slowly loosening the cold start valve union on the top of the fuel distributor (see illustration 6.4).

Absorb fuel leakage in a cloth.

12 Disconnect the fuel pipes from the accumulator and catch the small quantity of fuel which will be released (see illustration).

7.12 Fuel inlet pipe (A) and outlet pipe (B) at the engine compartment
7.12 Fuel inlet pipe (A) and outlet pipe (B) at the engine compartment mounted fuel accumulator

13 Remove the clamp screw and remove the accumulator.

Refitting
14 Refitting is a reversal of removal. Check for leaks on completion (with the engine restarted).

    See also:

    Diagram 4: 1983-on K-Jetronic fuel injection
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