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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1990 Cadillac Deville car and truck
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BRAKE SERVICE PROCEDURES FOR 1990 Cadillac Deville AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Cadillac Deville cars and light trucks from 1990+.
DISC BRAKES, GENERAL MOTORS -> Delco-Moraine Single Piston w/Dual Mounting Bolts (Type 2) -> SERVICE -> BRAKE SHOE & LINING INSTALLATION -> BRAKE SHOE & LINING REMOVAL -> CALIPER ASSEMBLY -> CALIPER DISASSEMBLY -> CALIPER INSTALLATION -> CALIPER REMOVAL
Vehicle: 1990 Cadillac Deville 4.5 V8 GAS
CALIPER REMOVAL
- Remove approximately2/3 of brake fluid from master cylinder.
- Raise and support front of vehicle, then remove wheel and tire assembly.
- Position suitable pliers over inboard pad and housing as shown in Fig. , and squeeze pliers to compress caliper piston.
- If caliper assembly is being removed for service, remove inlet fitting attaching bolt, copper washer, and inlet fitting from caliper housing. Plug opening in inlet fitting to prevent fluid loss and contamination. Do not crimp brake hose, as this may damage internal structure of hose. If only shoe and lining assemblies are t...
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BRAKE SERVICE PROCEDURES FOR 1990 Cadillac Deville AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Cadillac Deville cars and light trucks from 1990+.
HYDRAULIC BRAKE SYSTEM, GENERAL MOTORS -> MASTER CYLINDER REPLACEMENT
Vehicle: 1990 Cadillac Deville 4.5 V8 GAS
- Disconnect wire connector from brake warning pressure switch.
- Disconnect brake lines fro...
CLICK HERE TO GET FULL ACCESS TO 1990 Cadillac Deville BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Cadillac Deville AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Cadillac Deville cars and light trucks from 1990+.
DRUM BRAKES, GENERAL MOTORS -> Type 5 -> INSPECTION
Vehicle: 1990 Cadillac Deville 4.5 V8 GAS
- If any parts are of doubtful strength or quality due to heat discoloration, or are worn, replace them.
- Inspect wheel cylinder dust boots for signs of excessive wear or damage.
- Inspect adjusting screw for smooth operation over full length.
- Clean adjusting screw components in denatured alcohol.Ensure spring clip is installed in correct position, Fig. .
- Apply suitable lubricant to adjuster screw threads, inside diameter of socket and socket face. Adequate lubrication is achieve...
CLICK HERE TO GET FULL ACCESS TO 1990 Cadillac Deville BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Cadillac Deville AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Cadillac Deville cars and light trucks from 1990+.
HYDRAULIC BRAKE SYSTEM, GENERAL MOTORS -> SYSTEM SERVICE -> BLEEDING BRAKES -> Flushing Hydraulic System -> Manual Bleeding -> Pressure Bleeding -> Wheel Bleeding Sequence
Vehicle: 1990 Cadillac Deville 4.5 V8 GAS
BLEEDING BRAKES
Manual Bleeding
Pressure bleeding is recommended for all hydraulic systems. However, if a pressure bleeder is unavailable, use the following procedure.Brake fluid damages painted surfaces. Immediately clean any spilled fluid.
- Remove vacuum reserve by pumping brakes several times with engine off.
- Fill master cylinder reservoir with clean brake fluid. Check fluid level often during bleeding procedure; do not let reservoir fall below half full.
- If necessary, bleed master cylinder as follows:
- Disconnect master cylinder forward brake line connection until fluid flows from re...
CLICK HERE TO GET FULL ACCESS TO 1990 Cadillac Deville BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Cadillac Deville AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Cadillac Deville cars and light trucks from 1990+.
HYDRAULIC BRAKE SYSTEM, GENERAL MOTORS -> SYSTEM OPERATION -> Diagonally Split System -> DUAL MASTER CYLINDER -> Front & Rear Split System
Vehicle: 1990 Cadillac Deville 4.5 V8 GAS
DUAL MASTER CYLINDER
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,Figs. and .
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) brak...
CLICK HERE TO GET FULL ACCESS TO 1990 Cadillac Deville BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Cadillac Deville AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Cadillac Deville cars and light trucks from 1990+.
ANTI-LOCK BRAKES, GENERAL MOTORS -> 1990 Bonneville, DeVille, Eighty-Eight, Electra, Fleetwood, Ninety-Eight, Park Avenue & 6000 (Teves Type) -> COMPONENT REPLACEMENT -> FLUID RESERVOIR & SEALS -> Front Wheel -> HYDRAULIC ACCUMULATOR -> HYDRAULIC UNIT -> PRESSURE/WARNING SWITCH -> PUMP MOTOR ASSEMBLY -> Rear Wheel -> VALVE BLOCK ASSEMBLY -> WHEEL SENSOR
Vehicle: 1990 Cadillac Deville 4.5 V8 GAS
HYDRAULIC UNIT
- Disconnect battery ground cable.
- Depressurize accumulator, refer to .. "Depressurizing Hydraulic Accumulator" procedure.
- Disconnect all hydraulic unit electrical connectors, then remove all brake fluid from fluid reservoir.
- Remove pump attaching bolt, then position energy unit aside to gain access to brake pipes.
- Disconnect hydraulic lines to valve block. Use caution not to twist lines.
- On 6000 models, remove line attaching hydraulic unit to combination valve.
- On all models, disconnect push rod from brake pedal, then push dust boot forward, past hex on pushrod.
- Separa...
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