1996 GMC Jimmy Brake Service (ONLINE REPAIR MANUALS)

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BRAKE SERVICE PROCEDURES FOR 1996 GMC Jimmy AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1996 GMC Jimmy cars and light trucks from 1990+.

Disc Brakes -> Bendix Single Piston Sliding Caliper -> Description
Vehicle: 1996 GMC Jimmy 4.3 V6 GAS

The Bendix single piston sliding caliper disc brake is standard equipment on some truck applications, while on other trucks it is used only in Hydro-Boost power brake applications with both front disc brakes and 4 wheel disc brakes. On 4 wheel disc brakes, the front and rear systems are identical.

T...

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BRAKE SERVICE PROCEDURES FOR 1996 GMC Jimmy AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1996 GMC Jimmy cars and light trucks from 1990+.

Disc Brakes -> Delco-Moraine Single Piston Caliper -> Description
Vehicle: 1996 GMC Jimmy 4.3 V6 GAS

The caliper assembly slides on its mounting surfaces, Figs. through . Upon brake application, hydraulic pressure against the piston forces the inboard pad against the in...

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BRAKE SERVICE PROCEDURES FOR 1996 GMC Jimmy AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1996 GMC Jimmy cars and light trucks from 1990+.

Hydraulic Brake Systems -> Description -> Hydraulic Control Valves -> Master Cylinder
Vehicle: 1996 GMC Jimmy 4.3 V6 GAS

Master Cylinder

Some vehicles use a conventional tandem master cylinder with two hydraulic pistons operating inline. The primary piston controls the front brake system and the secondary piston controls the rear brake system.

Other models use a master cylinder that operates the same as the conventional master cylinder, but also incorporates a quick take-up feature in the rear chamber to reduce excessive pedal travel which may result from increased fluid displacement required to move the low drag caliper piston out against the rotor.

The quick take-up uses a spring-loaded ball check valv...

CLICK HERE TO GET FULL ACCESS TO 1996 GMC Jimmy BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1996 GMC Jimmy AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1996 GMC Jimmy cars and light trucks from 1990+.

Drum Brakes -> Inspection
Vehicle: 1996 GMC Jimmy 4.3 V6 GAS

  • Inspect components for damage or unusual wear. Replace as necessary.
  • Inspect backing plate attaching bolts, and ensure they are tight.
  • Inspect wheel cylinders. Excessive fluid indicates cup leakage and need for wheel cylinder replacement. A slight amount of fluid is always present and is considered normal, act...

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BRAKE SERVICE PROCEDURES FOR 1996 GMC Jimmy AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1996 GMC Jimmy cars and light trucks from 1990+.

Anti-lock Brakes -> Four Wheel Anti-Lock Brake System -> Description -> Except S & T Series w/VCM & VCM-A -> S & T Series w/VCM & VCM-A
Vehicle: 1996 GMC Jimmy 4.3 V6 GAS

Except S & T Series w/VCM & VCM-A

This braking system, Figs. through , is designed to reduce the occurrence of wheel lock-up during severe braking conditions. To accomplish this function, the system regulates hydraulic brake line pressure by using an Electro-Hydraulic Control Unit (EHCU) module or a Brake Pressure Modulator Valve (BPMV). The EHCU/BPMV module has two types of valves: isolation valves, which maintain separate pressure for each front wheel and combine pressure for the rear wheels, and dump valves, which "dump" pressure to each front wheel separately and rear wheels comb...

CLICK HERE TO GET FULL ACCESS TO 1996 GMC Jimmy BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1996 GMC Jimmy AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1996 GMC Jimmy cars and light trucks from 1990+.

Power Brake Units -> Delco-Moraine Brake Boosters -> Power Brake Unit Service -> Assemble -> Disassemble -> Single Diaphragm Type -> Tandem (Dual) Diaphragm Type
Vehicle: 1996 GMC Jimmy 4.3 V6 GAS

Single Diaphragm Type

Disassemble
  • Remove boot, silencer, vacuum check valve, grommet and front housing seal, Fig. .
  • Scribe a line across front and rear housing, then mount brake booster to brake mounting fixture tool No. J 23456 or equivalent, Fig. .
  • Turn fixture handle counterclockwise to unlock housings.
  • Remove return spring, power piston assembly and power piston bearing from rear housing, Fig. .
  • Remove reaction body retainer, piston rod, reaction retainer and filter.
  • Remove power piston and pushrod assembly as follows:
    • While holding the pushrod down against a hard surface, ...

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