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BRAKE SERVICE PROCEDURES FOR 1997 GMC Jimmy AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1997 GMC Jimmy cars and light trucks from 1990+.
Power Brake Units -> Bendix Brake Booster -> Power Brake Unit Service -> Accumulator Service -> Assemble -> Booster Bleed -> Cleaning & Inspection -> Disassemble
Vehicle: 1997 GMC Jimmy 4.3 V6 GAS
Disassemble
- Place accumulator compressor tool No. J-26889, or equivalent, around end of accumulator.
- Install nut onto stud as shown in Fig. , then depress the accumulator with a C-clamp.
- Remove retainer by using a punch.
- Release C-clamp and remove accumulator compressor tool.
- Remove accumulator, O-ring, retainer, plug and spring, Fig. .
- Remove retainer, output pushrod, baffle, piston return spring and retainer.
- Using a suitable saw, cut off eyelet of pedal rod, then remove the boot.
- Remove nut, bracket and bolts, then separate cover from housing.
- Remove piston assembly and seal...
CLICK HERE TO GET FULL ACCESS TO 1997 GMC Jimmy BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1997 GMC Jimmy AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1997 GMC Jimmy cars and light trucks from 1990+.
Disc Brakes -> Delco Single Piston Sliding Caliper -> Precautions -> Brake Disc Service -> Brake Lines & Linings -> Brake Roughness -> General
Vehicle: 1997 GMC Jimmy 4.3 V6 GAS
Brake Lines & Linings
Remove one of the front wheels and inspect the brake disc, caliper and linings.
Do not allow any oil or grease on the linings. It is recommended that linings be replaced in sets when worn or damaged.
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 thickness of the disc. If roughness or vibration is encountered during highway operation or if pedal pumping is experienced at low speeds, the disc may have excessive thickness v...
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BRAKE SERVICE PROCEDURES FOR 1997 GMC Jimmy AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1997 GMC Jimmy cars and light trucks from 1990+.
Power Brake Units -> Bendix Brake Booster -> Description
Vehicle: 1997 GMC Jimmy 4.3 V6 GAS
In order to properly service power brake systems, a thorough understanding of the power assist system is necessary. These systems provide a mechanical assist, acting to increase the force applied to the master cylinder piston by the driver while decreasing the effort necessary to obtain acceptable stopping performance.
Hydraulic assist units incorporate a basic open center spool valve, hydraulic cylinder and an accumulator assembly in a common housing. When the brake pedal is depressed, the hydraulic piston moves forward closing off fluid relief passages, the spool valve applies flui...
CLICK HERE TO GET FULL ACCESS TO 1997 GMC Jimmy BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1997 GMC Jimmy AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1997 GMC Jimmy cars and light trucks from 1990+.
Power Brake Units -> Bendix Brake Booster -> General Service
Vehicle: 1997 GMC Jimmy 4.3 V6 GAS
Certain general service procedures apply, regardless of whether the brakes are vacuum or hydraulically assisted. Only top quality, clean brake fluid should be used. More seals and valves are used with power brake systems than with ordinary brakes, so an inferior brake fluid will do much more damage. For the same reason, ensure all dirt is kept out of the system. Additionally, care must be taken not to mix the fluids of the booster hydraulic system and brake hydraulic system as the fluids are not compatible.
If the power unit fails, the brakes will still operate, as the convention...
CLICK HERE TO GET FULL ACCESS TO 1997 GMC Jimmy BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1997 GMC Jimmy AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1997 GMC Jimmy cars and light trucks from 1990+.
Hydraulic Brake Systems -> Component Replacement -> Master Cylinder
Vehicle: 1997 GMC Jimmy 4.3 V6 GAS
Master Cylinder
- On models equipped with manual brake system, disconnect master cylinder pushrod from brake pedal.
- On all models, disconnect all wire conne...
CLICK HERE TO GET FULL ACCESS TO 1997 GMC Jimmy BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1997 GMC Jimmy AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1997 GMC Jimmy cars and light trucks from 1990+.
Drum Brakes -> Precautions
Vehicle: 1997 GMC Jimmy 4.3 V6 GAS
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 because of 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 ...
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