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BRAKE SERVICE PROCEDURES FOR 1991 Buick Reatta AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Buick Reatta cars and light trucks from 1990+.
DISC BRAKES, GENERAL MOTORS -> Delco-Moraine Single Piston w/Dual Mounting Bolts (Type 4) -> PARKING BRAKE ADJUSTMENTS
Vehicle: 1991 Buick Reatta 3.8 V6 GAS
- Apply and release service brakes three times with a force of approximately 175 lbs.
- Fully apply parking brake (may require up to 4 pedal strokes) using approximately 125 lbs. force on last stroke, then release. Repeat procedure two more times.
- Inspect parking brake pedal assembly for full release by observing brake warning lamp.
- If lamp is on and parking brake appears to be fully released, operate manual pedal release lever and pull down on front cable to remove slack from pedal assembly.
- Raise an...
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BRAKE SERVICE PROCEDURES FOR 1991 Buick Reatta AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Buick Reatta cars and light trucks from 1990+.
DISC BRAKES, GENERAL MOTORS -> General Information -> BLEEDING DISC BRAKES
Vehicle: 1991 Buick Reatta 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 ope...
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BRAKE SERVICE PROCEDURES FOR 1991 Buick Reatta AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Buick Reatta cars and light trucks from 1990+.
DISC BRAKES, GENERAL MOTORS -> General Information -> INSPECTION OF CALIPER
Vehicle: 1991 Buick Reatta 3.8 V6 GAS
Should it become necessary to remove the caliper for installation of new parts, clean all parts in alcohol, wipe dry using lint free cloths, using an air hose to blow out drilled passages and bores. Check dust boots for punctures or tears. If punctures or tears are evident, new boots should be installed upon reassembly.
Inspect piston bores for scoring or pitting. Bores that show light scratches or corrosion can usually be cleaned with crocus cloth. However, bores that have deep scratches or scoring may be honed, provided the diameter of the...
CLICK HERE TO GET FULL ACCESS TO 1991 Buick Reatta BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 Buick Reatta AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Buick Reatta cars and light trucks from 1990+.
POWER BRAKE UNITS, GENERAL MOTORS -> GIRLOCK SINGLE DIAPHRAGM TYPE -> Assembly -> Brakes Grab -> Brakes Slow To Release Or Drag -> Brakes Slow To Respond -> DESCRIPTION -> Disassembly -> Excessive Pedal Effort -> OVERHAUL -> TROUBLESHOOTING
Vehicle: 1991 Buick Reatta 3.8 V6 GAS
DESCRIPTION
This booster is a single diaphragm, vacuum suspended unit with a lightweight cast alloy housing,Fig. . Vacuum is applied to the front and rear housings. When the brake pedal is released, negative pressure is equalized on both sides of the diaphragm and power piston assembly. Spring tension holds the piston at the rest position. When the brakes are applied, the atmospheric port in the power piston is opened. Negative pressure in the front chamber pulls the diaphragm and vacuum piston assembly, reaction disc and output rod forward. Pressure on the master c...
CLICK HERE TO GET FULL ACCESS TO 1991 Buick Reatta BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 Buick Reatta AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Buick Reatta cars and light trucks from 1990+.
DISC BRAKES, GENERAL MOTORS -> General Information -> GENERAL PRECAUTIONS
Vehicle: 1991 Buick Reatta 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 interfer...
CLICK HERE TO GET FULL ACCESS TO 1991 Buick Reatta BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 Buick Reatta AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Buick Reatta cars and light trucks from 1990+.
DISC BRAKES, GENERAL MOTORS -> General Information -> PROPORTIONING VALVE
Vehicle: 1991 Buick Reatta 3.8 V6 GAS
The proportioning valve (when used), Fig. , provides balanced braking action between front and rear brakes under a wide range of braking conditions. The valve regulates the hyd...
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