1991 Dodge W150 Pickup Brake Service (ONLINE REPAIR MANUALS)

BRAKE LINES & LININGS

Remove one of the front wheels and inspect the brake disc, caliper and linings. The wheel bearings should be inspected at this time and repacked if necessary.

Do not get any oil or grease on the linings. It is recommended that both front wheel sets be replaced whenever a respective pad is worn or damaged. Inspect and, if necessary, replace rear brake linings also.

If the caliper is cracked or fluid leakage through the casting is evident, it must be replaced as a unit.

BRAKE ROUGHNESS

The most common cause of brake chatter on disc brakes is a variation in thi...

HYDRAULIC ASSEMBLY

This ABS system uses an integral hydraulic assembly which contains the wheel circuit valves used for brake pressure modulation.

WHEEL SPEED SENSORS

The wheel speed sensors are located at each wheel and transmit wheel speed information to the Controller Anti-Lock Brake.

CONTROLLER ANTI-LOCK BRAKE (CAB)

The Controller Anti-Lock Brake (CAB) is located on the front lefthand side of the engine compartment. The CAB uses the wheel speed inf...

REMOVAL

• Raise the vehicle and remove front wheels.
• Disconnect and cap flexible brake line, then remove caliper retaining clips and anti-rattle springs, Fig. .
• Remove caliper from disc by slowly sliding caliper assembly out and away from disc. Use some means to support caliper. Do not let caliper hang from hydraulic line.

DISASSEMBLE

• With caliper and pads removed as described previously, place the caliper onto the upper control arm and slowly depress brake pedal, in turn hydraulically pushing piston out of bore.
• Support pedal below first inch of pedal travel to prevent excessive fluid ...

This sliding caliper single piston system uses a one or two piece hub and is actuated by the hydraulic system and disc assembly, Fig. . Alignment and positioning of the caliper is achieved by two machined guides or "ways" on the adapter, while caliper retaining clips allow lateral movement of the caliper, Fig. . Outboard pad flanges are used to position and locate the pad on the caliper fingers, Fig. , while the inboard pad is retained by the adapter, Fig. . Braking force applied onto the outboard pad is transferred to the ...

CHRYSLER

BRAKE WARNING SWITCH

The switch activates a light on the dash panel to indicate that one of the hydraulic systems has failed. There are two basic types of switches. In some earlier models, as pressure falls in one system, the normal pressure of the other system forces the piston to the inoperative side where it contacts the switch terminal, causing the warning lights to illuminate.

On most models, the brake warning switch is of the latching type. If a pressure loss occurs in one side of the system, the piston in the valve is forced toward the failed side where it ...

CHRYSLER

Except Front Wheel Drive Models

• On models equipped with Rear Wheel Anti-Lock brakes (RWAL), connect one end of a suitable hose to bleeder valve on RWAL hydraulic valve and submerge other end in a glass container partially filled with clean brake fluid.
• Pump brake pedal several times, then hold pedal down firmly.
• With pedal firmly depressed, open bleeder valve until pedal fades to floor, then close bleeder valve.
• Repeat procedure until a continuous flow of brake fluid is released from bleeder valve. Ensure a fluid level is maintained in master cylinder at all times.
• On all mod...