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+.

Disc Brakes -> AC-Delco Dual Piston Front Disc Brake -> Brake System Bleed
Vehicle: 1994 Buick Regal Custom 3.1 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+.

Hydraulic Brake Systems -> Component Service -> Assemble -> CORVETTE -> Disassemble -> EXCEPT CORVETTE -> MASTER CYLINDER OVERHAUL -> WHEEL CYLINDER OVERHAUL
Vehicle: 1994 Buick Regal Custom 3.8 V6 GAS

MASTER CYLINDER OVERHAUL
EXCEPT CORVETTE
Disassemble

Refer to Figs. and when performing the following procedures.

  • Remove master cylinder from vehicle as follows:
    • Disconnect and plug hydraulic lines.
    • Remove two master cylinder attaching nuts, then the master cylinder.
  • Remove reservoir cover and diaphragm. Discard old brake fluid in reservoir.
  • Inspect cover and diaphragm. Replace if cut, cracked or deformed.
  • Remove fluid level switch, if equipped.
  • On models with compact master cylinder, remove proportioner valve assembly, Fig. .
  • Depress primary piston and remove lock ring.
  • Plug primary fl...

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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 -> 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 Limited 3.8 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 -> Precautions
Vehicle: 1994 Buick Regal Custom 3.8 V6 GAS

  • After disassembling a power brake unit, soak all metal parts in solvent.
  • Use only alcohol on parts containing rubber. After the parts have been thoroughly cleaned and rinsed in solvent, they should be rewashed in clean alcohol before assembling.
  • Use compressed air to blow dirt and cleaning fluid from the recesses and internal passages.
  • Always use ...

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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 -> Caliper Service -> Bushing & Boot Replacement -> CALIPER ASSEMBLE -> CALIPER DISASSEMBLE -> CALIPER INSTALLATION -> CALIPER REMOVAL -> Installation -> MOUNTING BRACKET SERVICE -> Removal
Vehicle: 1994 Buick Regal Limited 3.8 V6 GAS

CALIPER REMOVAL
  • Siphon enough brake fluid out of the master cylinder to bring fluid level to 1/3 full to avoid fluid overflow when the caliper pistons are pushed back into bores.
  • Raise vehicle and remove front wheels.
  • Mark relationship between wheel to hub and bearing assembly. Remove tire and wheel assembly.
  • Using a suitable C-clamp and block of wood, push pistons back together into caliper bores.
  • If caliper assembly is to be serviced, remove inlet fitting attaching bolt, copper washer, and inlet fitting from caliper housing. Plug opening in inlet fitting to prevent fluid loss and c...

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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+.

Anti-lock Brakes -> Achieva, Beretta, Cavalier, Century, Corsica, Cutlass Ciera, Cutlass Cruiser, Cutlass Supreme, Grand Am, Grand Prix, Lumina, Regal, Skylark, Sunbird & 1993-94 Camaro, Firebird & Prizm (Delco-Moraine VI Type) -> System Service -> ABS HYDRAULIC MODULATOR ASSEMBLY -> BRAKE CONTROL SOLENOID ASSEMBLY -> Brake System Bleed -> Component Replacement -> Cutlass Supreme, Grand Prix, Lumina & Regal -> ELECTRONIC BRAKE CONTROL MODULE (EBCM) -> Except Cutlass Supreme, Grand Prix, Lumina & Regal -> FRONT WHEEL SPEED SENSOR -> MANUAL BLEED -> PRESSURE BLEED -> REAR WHEEL BEARING & SPEED SENSOR
Vehicle: 1994 Buick Regal Gran Sport 3.8 V6 GAS

Brake System Bleed

Before bleeding the rear brakes, the rear displacement cylinder pistons must be returned to their top most position. Using a TECH 1 scan tool or suitable equivalent, enter the manual control function and "APPLY" the rear motor. Ensure the enable relay is "ON." If a scan tool is not available, bleed the front brakes to ensure that a firm brake pedal exists, then carefully drive vehicle over 4 mph to cause the ABS to initialize itself. This will return the rear displacement cylinder to the top position. The entire brake system should now be rebled.

PRESSURE BLEED

To pre...

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