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INSTALLATION (1) Install pedal and support bracket as an assem- bly into the vehicle. (2) Install nuts securing the booster to the pedal support bracket and nuts to the column bracket. (3) Tighten nuts to 39 N·m (29 ft. lbs.). with Mopar multi-mileage grease. (5) Install booster push rod on pedal pin and install new retainer clip. (6) Install knee blocker. COMBINATION VALVE NOTE: The combination valve is not repairable. The REMOVAL (1) Remove air cleaner cover and hose for access to valve. (2) Unsnap connector lock tabs and disconnect dif- ferential pressure switch wire at combination valve (3) Disconnect brake lines at combination valve (Fig. 20). (4) Remove mounting nut and remove valve. INSTALLATION (1) Install valve and tighten mounting nut to 17 N·m (155 in. lbs.). (2) Connect brake lines to replacement valve. Start line fittings by hand to avoid cross threading. (3) Tighten brake line fittings to 14 N·m (124 in. lbs.). (4) Connect wire to pressure differential switch. MASTER CYLINDER REMOVAL (1) Remove brake lines at master cylinder and combination valve (Fig. 20). (2) Disconnect differential pressure switch wire from the combination valve. Fig. 18 Booster Push Rod 1 – BRAKE PEDAL Fig. 19 Differential Pressure Switch 1 – SWITCH TERMINAL Fig. 20 Combination Valve 1 – COMBINATION VALVE 5 - 16 BRAKES XJ REMOVAL AND INSTALLATION (Continued) |