Stop-light switch - removal and refitting

Braking system / Stop-light switch - removal and refitting

1 The stop-light switch is located either on the pedal bracket or on the master cylinder.

Pedal bracket-mounted type Removal
2 Reach up behind the facia and disconnect the wiring connector from the switch on the ‘pedal bracket (see illustration).

18.2 Stoplight switch location on the pedal bracket

3 Twist the switch through 90° and release it from the mounting bracket. Note: The switch for RHD and LHD models is different.

Refitting
4 Prior to installation, fully extend the stoplight switch plunger.

5 Fully depress and hold the brake pedal, then manoeuvre the switch into position.

Secure the switch in position by twisting it through 90° and release the brake pedal.

6 Reconnect the wiring connector, and check the operation of the stop-lights. The stoplights should illuminate after the brake pedal has travelled about 5 mm. If the switch is not functioning correctly, it is faulty and must be renewed; no adjustment is possible.

Master cylinder-mounted type Removal
7 Have ready a suitable plastic or rubber bung which will be a close fit in the switch aperture in the master cylinder. Place some cloth rags beneath the switch.

8 Disconnect the wiring from the switch.

Loosen and unscrew the switch until it is on its last threads, then quickly unscrew and remove it and the washer, and fit the bung.

Refitting
9 Fit a new washer onto the switch.

10 Remove the bung and fit the switch as quickly as possible, then tighten it securely.

11 Wipe clean the exterior of the master cylinder and reconnect the wiring.

12 Bleed the complete hydraulic circuit as described in Section 2.