Cold start valve - removal and refitting

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

K-Jetronic system
Removal
1 Disconnect the battery earth lead.

2 Detach the electrical wiring multi-plug from the valve (see illustration).

9.2 Disconnecting the cold start valve wiring multi-plug
9.2 Disconnecting the cold start valve wiring multi-plug

3 Slowly unscrew and remove the fuel supply pipe banjo bolt. Take care on removal, as the system will be under pressure. Soak up fuel spillage with a cloth.

4 Unscrew and remove the two socket-head mounting bolts using an Allen key or Torx type key or socket bit on later models, and remove the valve.

Refitting
5 Refitting is a reversal of the removal procedure. Do not overtighten the banjo bolt or the washers may fracture (use a new one each side of the union).

6 On completion restart the engine and check for signs of fuel leakage.

KE-Jetronic system
Removal
7 Disconnect the battery earth lead.

8 Disconnect the wiring multi-plug from the valve which is located underneath the throttle housing (see illustration).

9.8 KE-Jetronic system cold start valve
9.8 KE-Jetronic system cold start valve location

A Fuel pipe union B Retaining bolts

9 Slowly unscrew and remove the fuel supply pipe banjo union. Take care on removal, as the system will be under pressure. Soak up fuel spillage with a cloth.

10 Unscrew and remove the two Torx type mounting bolts using a Torx key or socket bit.

Remove the valve from under the throttle housing.

Refitting
11 Refitting is a reversal of removal. Do not overtighten the banjo bolt or the washers may fracture (use a new one each side of the union).

12 On completion restart the engine and check for leaks.

    See also:

    Oil seals - renewal
    Camshaft oil seal Note: Thread locking compound will be required to coat the camshaft sprocket bolt on refitting. 1 Disconnect the battery negative lead. 2 Release the timing belt from the camsha ...

    Routine maintenance and servicing
    Ford Sierra maintenance schedule The maintenance intervals in this manual are provided with the assumption that you will be carrying out the work yourself. These are the minimum maintenance interv ...

    Specifications
    General Engine type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Four-cylinder, in-line overhead camshaft Capacity: 1.1 litre . . . . . . . . . . ...