Range Rover (LH) V8-3.9L (1989)
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Brake Switch (Cruise Control): Service and Repair
REMOVE
1. Disconnect the battery negative terminal.
2. Remove the six screws securing the lower dash panel.
3. Lower the panel and disconnect the rheostat switch multi-plug and remove the warning lamp control unit from the retaining clip.
4. Withdraw the lower dash panel from the vehicle.
Brake Switch/Vent Valve
5. Disconnect the electrical multi-plug from the brake switch/vent valve.
6. Pull the hose from the switch.
7. Unscrew the adjusting nut and withdraw the switch.
REFIT
1. Refit the switch and fit the adjusting nut. Adjust the valve to provide a clearance of 1.0 mm (0.039 in) between the valve body and inside shoulder
of the contact button.
2. Fit the hose and multi-plug ensuring that they are secure.
3. Reverse the remaining removal instructions.
