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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1990 Oldsmobile Cutlass Supreme car and truck
repair procedures including Oldsmobile engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
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procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
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We have info for following modifications of 1990 Oldsmobile Cutlass Supreme
- 1990 Oldsmobile Cutlass Supreme 3.1 V6 GAS, CID:189, Fuel Injection, Aspiration:189, Engine VIN:, Desg:T
- 1990 Oldsmobile Cutlass Supreme 2.3 L4 GAS, CID:138, Fuel Injection, Aspiration:138, Engine VIN:, Desg:D
- 1990 Oldsmobile Cutlass Supreme 2.3 L4 GAS, CID:140, Fuel Injection, Aspiration:140, Engine VIN:, Desg:A
- 1990 Oldsmobile Cutlass Supreme International 3.1 V6 GAS, CID:189, Fuel Injection, Aspiration:189, Engine VIN:, Desg:T
- 1990 Oldsmobile Cutlass Supreme International 2.3 L4 GAS, CID:140, Fuel Injection, Aspiration:140, Engine VIN:, Desg:A
- 1990 Oldsmobile Cutlass Supreme SL 3.1 V6 GAS, CID:189, Fuel Injection, Aspiration:189, Engine VIN:, Desg:T
BRAKE SERVICE PROCEDURES FOR 1990 Oldsmobile Cutlass Supreme AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Oldsmobile Cutlass Supreme cars and light trucks from 1990+.
POWER BRAKE UNITS, GENERAL MOTORS -> DELCO-MORAINE SINGLE DIAPHRAGM TYPE -> Brakes Grab -> DESCRIPTION -> Hard Pedal -> OVERHAUL -> Slow Or No Release -> TROUBLESHOOTING
Vehicle: 1990 Oldsmobile Cutlass Supreme SL 3.1 V6 GAS
DESCRIPTION
This power brake unit is a suspended type vacuum brake booster which utilizes engine intake manifold vacuum and atmospheric pressure to assist in braking,Fig. .
The unit consists of a vacuum power section and a hydraulic master cylinder section. The vacuum power section contains a power piston with rolling diaphragm mechanism and power piston return spring.
The control valve consists of an air valve and floating vacuum control valve assembly. The reaction mechanism consists of a hydraulic piston, reaction plate and a series of levers. The valve opera...
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BRAKE SERVICE PROCEDURES FOR 1990 Oldsmobile Cutlass Supreme AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Oldsmobile Cutlass Supreme cars and light trucks from 1990+.
DISC BRAKES, GENERAL MOTORS -> Delco-Moraine Dual Piston w/Dual Mounting Bolts -> SERVICE -> BRAKE SHOE & LINING INSTALLATION -> BRAKE SHOE & LINING REMOVAL -> Bushing & Boot Replacement -> CALIPER ASSEMBLY -> CALIPER DISASSEMBLY -> CALIPER INSTALLATION -> CALIPER REMOVAL -> Installation -> MOUNTING BRACKET SERVICE -> Removal
Vehicle: 1990 Oldsmobile Cutlass Supreme 3.1 V6 GAS
CALIPER REMOVAL
- Siphon enough brake fluid out of the master cylinder to bring fluid level to1/3 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 contaminat...
CLICK HERE TO GET FULL ACCESS TO 1990 Oldsmobile Cutlass Supreme BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Oldsmobile Cutlass Supreme AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Oldsmobile Cutlass Supreme 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 Oldsmobile Cutlass Supreme International 2.3 L4 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 Oldsmobile Cutlass Supreme BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Oldsmobile Cutlass Supreme AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Oldsmobile Cutlass Supreme cars and light trucks from 1990+.
HYDRAULIC BRAKE SYSTEM, GENERAL MOTORS -> MASTER CYLINDER REPLACEMENT
Vehicle: 1990 Oldsmobile Cutlass Supreme International 3.1 V6 GAS
- Disconnect wire connector from brake warning pressure switch.
- Disconnect brake lines fro...
CLICK HERE TO GET FULL ACCESS TO 1990 Oldsmobile Cutlass Supreme BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Oldsmobile Cutlass Supreme AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Oldsmobile Cutlass Supreme cars and light trucks from 1990+.
DISC BRAKES, GENERAL MOTORS -> General Information -> BLEEDING DISC BRAKES
Vehicle: 1990 Oldsmobile Cutlass Supreme 2.3 L4 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...
CLICK HERE TO GET FULL ACCESS TO 1990 Oldsmobile Cutlass Supreme BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Oldsmobile Cutlass Supreme AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Oldsmobile Cutlass Supreme 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: 1990 Oldsmobile Cutlass Supreme International 3.1 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 1990 Oldsmobile Cutlass Supreme BRAKE SERVICE PROCEDURES
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