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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1992 Buick Riviera car and truck
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BRAKE SERVICE PROCEDURES FOR 1992 Buick Riviera AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1992 Buick Riviera cars and light trucks from 1990+.
Disc Brakes -> AC-Delco Single Piston Front Disc Brake (Type 3) -> Troubleshooting -> BRAKE ROUGHNESS
Vehicle: 1992 Buick Riviera 3.8 V6 GAS
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 pulsation is experienced at low speeds, the disc may have excessive thickness variation. To check for this condition, measure the disc at 12 points with a micrometer at a radius approximately one inch from edge of disc. If thic...
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BRAKE SERVICE PROCEDURES FOR 1992 Buick Riviera AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1992 Buick Riviera 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: 1992 Buick Riviera 3.8 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 1992 Buick Riviera AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1992 Buick Riviera cars and light trucks from 1990+.
Disc Brakes -> AC-Delco Single Piston Front Disc Brake (Type 3) -> Caliper Service -> Bushing & Boot Replacement -> CALIPER ASSEMBLE -> CALIPER DISASSEMBLE -> CALIPER INSTALLATION -> CALIPER REMOVAL -> Installation -> MOUNTING BRACKET SERVICE -> Removal
Vehicle: 1992 Buick Riviera 3.8 V6 GAS
CALIPER REMOVAL
- Drain approximately 2/3 of brake fluid from master cylinder assembly.
- Raise and support vehicle, then mark position of wheel and remove tire and wheel assembly.
- If caliper is to be serviced or replaced, remove bolt securing inlet fitting, then disconnect brake hose, and plug end to prevent loss of fluid and contamination. Do not crimp brake hose, as this may damage internal structure of hose. If only shoe and lining assemblies are being replaced, do not disconnect brake hose from caliper.
- Remove caliper to support mounting bolts, then lift caliper off support. If onl...
CLICK HERE TO GET FULL ACCESS TO 1992 Buick Riviera BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1992 Buick Riviera AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1992 Buick Riviera 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: 1992 Buick Riviera 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,...
CLICK HERE TO GET FULL ACCESS TO 1992 Buick Riviera BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1992 Buick Riviera AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1992 Buick Riviera cars and light trucks from 1990+.
Hydraulic Brake Systems -> Troubleshooting -> CHECKING FOR FLUID LEAKAGE -> ROAD TESTING
Vehicle: 1992 Buick Riviera 3.8 V6 GAS
When troubleshooting the hydraulic brake system, perform the following checks and inspections as outlined below. If problem still exists within system, refer to Fig. first, then to Figs. and as necessary.
CHECKING FOR FLUID LEAKAGE
Start engine and depress the brake pedal. If the pedal gradually falls under constant pressure, the hydraulic system may be leaking. Raise the vehicle on a lift and check all tubing lines and backing plates for signs of leakage. It may be necessary to lift or re...
CLICK HERE TO GET FULL ACCESS TO 1992 Buick Riviera BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1992 Buick Riviera AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1992 Buick Riviera cars and light trucks from 1990+.
Disc Brakes -> AC-Delco Single Piston Rear Disc Brake (Type 2) -> Precautions
Vehicle: 1992 Buick Riviera 3.8 V6 GAS
- Grease or any other foreign material must be kept off the brake linings, caliper, surfaces of the disc and external surfaces of the hub, during service procedures. Handling the brake disc and caliper should be done in a way to avoid deformation of the disc and nicking or scratching brake linings.
- If inspection reveals rubber piston seals are worn or damaged, they should be replaced immediately.
- During removal and installation of a wheel assembly, exercise care so as not to interfere wi...
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