Index Chrysler Chrysler Town & Country/Voyager, Dodge Caravan, Plymouth Voyager - service repair manual 1992 year
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SERVICE PROCEDURES INDEX page page Brake Warning System . . . . . . . . . . . . . . . . . . . . . . 1 . . . . . . . . . . . . 1 Testing ABS Proportioning Valves . . . . . . . . . . . . . 32 BRAKE WARNING SYSTEM CHECKING THE BRAKE WARNING SWITCH The brake warning light will come on when the parking brake is applied with the ignition key turned To test the service brakes warning system. Raise the vehicle on a hoist and open a wheel cylinder bleeder HEIGHT SENSING PROPORTIONING VALVE TESTING THE HEIGHT SENSING VALVE UNIT When a premature rear wheel skid is obtained on brake application it could be an indication that the Prior to testing proportioning valve operation, en- sure the front and rear brake linings are in satisfactory If brake shoe assembly lining material is of satisfac- tory condition, proceed to verify that height sensing and Adjustment paragraph steps 1 through 6. If adjustment is satisfactory then proceed To test the proportioning valve, proceed as follows: justment nut (Fig. 2 or 4). Disconnect the assembly (2) Install one gauge and T of set C-4007-A in the line from either master cylinder port to the brake valve (3) Install the second gauge of set C-4007-A to either rear brake outlet port between proportioning valve (4) Have a helper exert pressure on the brake pedal (holding pressure) to get a reading on the valve inlet Im (250 in. lbs.) torque. If the valve tests OK install actuator assembly, adjust and road test ve- INSTALLATION AND ADJUSTMENT (FIG. 4) After installing a new height sensing proportioning valve, bleed both hydraulic circuits at the rear brakes. The rubber stone/snow shield must be installed whenever the valve is serviced. This shield protects the (1) Lift vehicle with a frame contact hoist or other means so that the rear suspension is hanging free with (2) Loosen adjustment nut on the actuator assembly (Fig. 4). Before adjustment, be sure that actuator (3) Pull actuator assembly toward the spring hanger until the valve lever bottoms on the valve body, hold in (4) Tighten the adjustment nut to 5 N Im (25 in. lbs.) torque. Adjustment is now complete. (5) Install wheel and tires and connect shock absorb- ers. (6) Lower vehicle to floor and with full weight of vehicle on the wheels, tighten both front spring Im (95 ft. lbs.) torque. Road test vehicle. . BRAKES 5 - 31 1992 Van/Wagon RWD/AWD October 19, 1992 |