1990 Dodge B250 VAN Brake Service (ONLINE REPAIR MANUALS)

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 ...

BRAKE DRUMS

Any time the brake drums are removed for brake service, the braking surface diameter should be checked with a suitable brake drum micrometer at several points to determine if they are within the safe oversize limit stamped on the brake drum outer surface. If the braking surface diameter exceeds specifications, the drum must be replaced. If the braking surface diameter is within specifications, drums should be cleaned and inspected for cracks, scores, deep grooves, taper, out of round and heat spotting. If drums are cracked or heat spotted, they must be replaced. Mi...

REMOVAL

• Remove caliper assembly as outlined above.
• Remove outboard pad by prying between the pad and the caliper fingers, Fig. , since flanges on outboard pad retain caliper firmly. Caliper should be supported to avoid damage to the flexible brake hose.
• Remove inboard brake pad from the adapter, Fig. .

INSTALLATION

Remove approximately ^{1 /3} of the brake fluid out of the reservoir to prevent overflow when pistons are pushed back into the bore.

• With care, push piston back into bore until bottomed.
• Install new outboard pad in recess of caliper. No freeplay should exist between brake p...

When working on or around brake assemblies, care must be taken to prevent breathing asbestos dust, as many manufacturers incorporate asbestos fibers in the production of brake linings. During routine service operations, the amount of asbestos dust from brake lining wear is at a low level due to a chemical breakdown during use, and a few precautions will minimize exposure. Do not sand or grind brake linings unless suitable local exhaust ventilation equipment is used to prevent excessive asbestos exposur...

BRAKE DRUMS

Any time the brake drums are removed for brake service, the braking surface diameter should be checked with a suitable brake drum micrometer at several points to determine if they are within the safe oversize limit stamped on the brake drum outer surface. If the braking surface diameter exceeds specifications, the drum must be replaced. If the braking surface diameter is within specifications, drums should be cleaned and inspected for cracks, scores, deep grooves, taper, out of round and heat spotting. If drums are cracked or heat spotted, they must be replaced. Mi...

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 ...