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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1990 Chevrolet Blazer car and truck
repair procedures including Chevrolet engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your 1990 Chevrolet Blazer automobile. Try the Automotix DIY solution today!
We have info for following modifications of 1990 Chevrolet Blazer
- 1990 Chevrolet Blazer 6.2 V8 DIESEL, CID:379, Fuel Injection, Aspiration:379, Engine VIN:, Desg:C
- 1990 Chevrolet Blazer 5.7 V8 GAS, CID:350, Fuel Injection, Aspiration:350, Engine VIN:, Desg:K
BRAKE SERVICE PROCEDURES FOR 1990 Chevrolet Blazer AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Chevrolet Blazer cars and light trucks from 1990+.
POWER BRAKE UNITS, GENERAL MOTORS -> Bendix Brake Boosters -> TROUBLESHOOTING -> ACCUMULATOR LEAK-DOWN, SYSTEM DOES NOT HOLD CHARGE -> GRABBY BRAKES OR BOOSTER CHATTERS/PEDAL VIBRATES -> SLOW BRAKE PEDAL RETURN
Vehicle: 1990 Chevrolet Blazer 6.2 V8 DIESEL
SLOW BRAKE PEDAL RETURN
- Excessive seal friction in booster.
- Faulty spool action.
- Restriction in return line from booster to pump reservoir.
- Damaged input rod end.
GRABBY BRAKES OR BOOSTER CHATTERS/PEDAL VIBRATES
- Faulty spool action caused by contamination in ...
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BRAKE SERVICE PROCEDURES FOR 1990 Chevrolet Blazer AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Chevrolet Blazer cars and light trucks from 1990+.
POWER BRAKE UNITS, GENERAL MOTORS -> Tracker Brake Booster -> DESCRIPTION
Vehicle: 1990 Chevrolet Blazer 6.2 V8 DIESEL
This unit, Fig. , uses a single vacuum diaphragm with an effective diameter of 7 inches to mechanically increase brake application force with engine vacuum...
CLICK HERE TO GET FULL ACCESS TO 1990 Chevrolet Blazer BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Chevrolet Blazer AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Chevrolet Blazer cars and light trucks from 1990+.
DISC BRAKES, GENERAL MOTORS -> Delco-Moraine Single Piston Caliper -> BRAKE PAD, Replace -> INSTALLATION -> REMOVAL
Vehicle: 1990 Chevrolet Blazer 5.7 V8 GAS
REMOVAL
- Remove caliper assembly as outlined above.
- Remove inboard pad with retainer spring. Dislodge outboard pad and position caliper on the front suspension so the brake hose will not support the weight of the caliper.
- Remove two sleeves from inboard ears of the caliper.
- Remove four rubber bushings from the grooves in each of the caliper ears.
INSTALLATION
- Lubricate new sleeves, rubber bushings, bushing grooves and mounting bolt ends with Delco Silicone Lube or equivalent.
- Install new bushings and sleeves in caliper ears. Position the sleeve so that the end toward the pad is flush...
CLICK HERE TO GET FULL ACCESS TO 1990 Chevrolet Blazer BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Chevrolet Blazer AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Chevrolet Blazer cars and light trucks from 1990+.
ANTI-LOCK BRAKES, GENERAL MOTORS -> Rear Wheel Anti-Lock Brake System -> SYSTEM SERVICE -> ELECTRONIC CONTROL UNIT (ECU) -> Except G, R, P & V Models -> G, R, P & V Models -> ISOLATION/DUMP VALVE ASSEMBLY -> SPEED SENSOR -> SPEEDOMETER CALIBRATION
Vehicle: 1990 Chevrolet Blazer 5.7 V8 GAS
ELECTRONIC CONTROL UNIT (ECU)
Do not touch electrical connections and pins or allow them to come into contact with brake fluid.
- Disconnect battery ground cable.
- Disconnect electrical connectors from ECU.
- Pry up tab at rear of ECU and remove unit toward front of vehicle.
- Slide unit into bracket until tab locks into hole.
- Inspect electrical connectors for brake fluid contamination, clean with alcohol as needed, then connect electrical connectors to ECU.
ISOLATION/DUMP VALVE ASSEMBLY
- Disconnect brake lines from control valve, the plug lines and open fittings.
- Remove bolts (25) securing...
CLICK HERE TO GET FULL ACCESS TO 1990 Chevrolet Blazer BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Chevrolet Blazer AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Chevrolet Blazer cars and light trucks from 1990+.
DRUM BRAKES, GENERAL MOTORS -> General Information -> GENERAL INSPECTION -> ADJUSTER MECHANISM -> BACKING PLATE -> BRAKE DRUMS -> BRAKE LININGS & SPRINGS -> PARKING BRAKE CABLE
Vehicle: 1990 Chevrolet Blazer 6.2 V8 DIESEL
BRAKE DRUMS
Any time the brake drums are removed for brake service, the braking surface diameter should be checked with a suitable brake drum micrometer at several points to determine if they are within the safe oversize limit stamped on the brake drum outer surface. If the braking surface diameter exceeds specifications, the drum must be replaced. If the braking surface diameter is within specifications, drums should be cleaned and inspected for cracks, scores, deep grooves, taper, out of round and heat spotting. If drums are cracked or heat spotted, they must be replaced. Gr...
CLICK HERE TO GET FULL ACCESS TO 1990 Chevrolet Blazer BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 Chevrolet Blazer AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 Chevrolet Blazer cars and light trucks from 1990+.
DISC BRAKES, GENERAL MOTORS -> Delco-Moraine Single Piston Caliper -> CALIPER SERVICE -> ASSEMBLE -> DISASSEMBLE -> INSTALLATION -> REMOVAL
Vehicle: 1990 Chevrolet Blazer 6.2 V8 DIESEL
REMOVAL
- Siphon enough brake fluid out of the master cylinder to bring fluid level to1-3 full to avoid fluid overflow when the caliper piston is pushed back into its bore.
- Raise and support vehicle, remove front wheels.
- Using a C-clamp, as illustrated in Fig. , push piston back into its bore.
- Remove two mounting bolts and lift caliper away from disc.
DISASSEMBLE
- Disconnect hose from the caliper being careful not to lose copper washers.
- Remove caliper as outlined above.
- Drain brake fluid from caliper.
- Pad caliper interior with clean shop towels and apply compressed air to remove piston, Fi...
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