1994 Buick Regal Brake Service (ONLINE REPAIR MANUALS)

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We have info for following modifications of 1994 Buick Regal

  • 1994 Buick Regal Custom 3.1 V6 GAS, CID:189, Fuel Injection, Aspiration:189, Engine VIN:, Desg:M
  • 1994 Buick Regal Custom 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:L
  • 1994 Buick Regal Gran Sport 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:L
  • 1994 Buick Regal Limited 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:L

BRAKE SERVICE PROCEDURES FOR 1994 Buick Regal AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1994 Buick Regal cars and light trucks from 1990+.

Hydraulic Brake Systems -> Description -> BRAKE DISTRIBUTION VALVE & SWITCH -> BRAKE WARNING LAMP SWITCHES -> COMBINATION VALVE -> COMPONENT DESCRIPTION -> Diagonally Split System -> Failure Warning Switch -> Fluid Level Sensor -> Front & Rear Split System -> Metering Valve -> Proportioning Or Pressure Control Valve -> SYSTEM OPERATION -> Testing Warning Lamp Operation
Vehicle: 1994 Buick Regal Custom 3.1 V6 GAS

SYSTEM OPERATION
Front & Rear Split System

When the brake pedal is depressed, both the primary (front brake) and the secondary (rear brake) master cylinder pistons are moved simultaneously to exert hydraulic fluid pressure on their respective systems, Fig. .

If the rear (secondary) brake system fails, initial brake pedal movement will cause the unrestricted secondary piston to bottom in the master cylinder bore. Primary piston movement will displace hydraulic fluid in the primary section of the master cylinder to actuate the front brake system.

If the front (primary) brake system fails,...

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BRAKE SERVICE PROCEDURES FOR 1994 Buick Regal AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1994 Buick Regal cars and light trucks from 1990+.

Power Brake Units -> Description -> AC-DELCO SINGLE DIAPHRAGM TYPE -> AC-DELCO TANDEM DIAPHRAGM TYPE -> BCIA SINGLE & TANDEM DIAPHRAGM TYPE
Vehicle: 1994 Buick Regal Custom 3.1 V6 GAS

AC-DELCO TANDEM DIAPHRAGM TYPE

This unit utilizes a vacuum power chamber, consisting of a front and rear shell, housing divider, front and rear diaphragm, plate assemblies, hydraulic pushrod and a diaphragm return spring, Figs. and .

The unit operates in much the same manner as the single diaphragm unit described previously. The diaphragm and plate assemblies utilize the pressure differential between the engine intake manifold vacuum and atmospheric pressure to assist in braking.

AC-DELCO SINGLE DIAPHRAGM TYPE

The AC-Delco power booster assembly, Fig. is located along the bulkhead in ...

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BRAKE SERVICE PROCEDURES FOR 1994 Buick Regal AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1994 Buick Regal cars and light trucks from 1990+.

Disc Brakes -> AC-Delco Dual Piston Front Disc Brake -> Rotor, Replace
Vehicle: 1994 Buick Regal Gran Sport 3.8 V6 GAS

  • Raise and support vehicle, then remove tire and wheel assembly.
  • Remove caliper and caliper mounting...

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BRAKE SERVICE PROCEDURES FOR 1994 Buick Regal AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1994 Buick Regal cars and light trucks from 1990+.

Disc Brakes -> AC-Delco Single Piston Rear Disc Brake (Type 1) -> Brake System Bleed
Vehicle: 1994 Buick Regal Gran Sport 3.8 V6 GAS

Pressure bleeding is recommended for all hydraulic disc brake systems.

The disc brake hydraulic system can be bled manually or with pressure bleeding equipment. On vehicles with disc brakes the brake pedal will require more pumping and frequent checking of fluid level in master cylinder during bleeding oper...

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BRAKE SERVICE PROCEDURES FOR 1994 Buick Regal AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1994 Buick Regal cars and light trucks from 1990+.

Disc Brakes -> AC-Delco Dual Piston Front Disc Brake -> Brake Pad Service -> INSTALLATION -> REMOVAL
Vehicle: 1994 Buick Regal Custom 3.8 V6 GAS

REMOVAL
  • Remove caliper as outlined previously.
  • Lift upward on outward shoe retaining spring of outboard shoe until it clears center lug, then remove shoe from caliper.
  • Pull inboard shoe outward to disengage retainer springs from pistons, then remove inbo...

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BRAKE SERVICE PROCEDURES FOR 1994 Buick Regal AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1994 Buick Regal cars and light trucks from 1990+.

Hydraulic Brake Systems -> Diagnosis & Testing
Vehicle: 1994 Buick Regal Custom 3.1 V6 GAS

Refer to...

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