Vacuum servo unit and linkage - removal and refitting
Removal
1 Refer to Section 12 and remove the master
cylinder.
2 On fuel-injection models unclip and lift out the front section of the heater plenum chamber to provide access to the connecting linkage across the lower bulkhead (see illustration).
16.2 Heater plenum chamber removal
3 Working inside the vehicle, remove the spring clip which attaches the pushrod to the arm of the brake pedal.
4 Unscrew the nuts which hold the servo to its mounting bracket, also the servo support brace to the body.
5 Disconnect the valve hose from the servo.
6 Detach the linkage arm spring at the rear of the servo and then pull the servo forward until the servo operating rod can be unclipped from the linkage.
7 Remove the servo from the vehicle. It must be renewed if defective, no repair is possible.
8 If necessary, the rest of the servo operating linkage can be removed from under the instrument panel once the covering and cowl side trim have been removed from above the brake pedal inside the vehicle. Unbolt the connecting link bracket from the driver’s side (see illustrations).
16.8a Vacuum servo unit connecting linkage
A Grommet
B Connecting link
C Bush
16.8b Vacuum servo unit connecting link bracket on driver’s side
Refitting 9 Refitting is the reverse sequence to removal. Refit the master cylinder as described in Section 12 and bleed the hydraulic system as described in Sections 11 or 23 as applicable.
See also:
Engine - removal leaving automatic transmission in vehicle
Note: Refer to the warning in Section 8 before
proceeding. A suitable hoist and lifting tackle
will be required for this operation.
1 Proceed as described in Section 9,
paragraphs 1 to 17 inclusiv ...
Bonnet - removal and refitting
Removal
1 Support the bonnet in its open position,
and place protective covers (old rags or
cardboard) beneath the corners of the bonnet,
and over the front wings to prevent damage to
the paintwo ...
Auxiliary air device - removal and refitting
K-Jetronic system
Removal
1 Disconnect the battery earth lead.
2 Disconnect the wiring multi-plug and the
two air hoses from the device which is located
beneath the cold start valve (see illustra ...