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We have info for following modifications of 1998 Chevrolet Lumina
- 1998 Chevrolet Lumina LTZ 3.1 V6 GAS, CID:189, Fuel Injection, Aspiration:189, Engine VIN:, Desg:M
- 1998 Chevrolet Lumina LTZ 3.8 V6 GAS, CID:231, Fuel Injection, Aspiration:231, Engine VIN:, Desg:K
- 1998 Chevrolet Lumina 3.1 V6 GAS, CID:189, Fuel Injection, Aspiration:189, Engine VIN:, Desg:M
BRAKE SERVICE PROCEDURES FOR 1998 Chevrolet Lumina AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 Chevrolet Lumina cars and light trucks from 1990+.
Drum Brakes -> Type 5 -> Brake Service -> Installation -> Removal
Vehicle: 1998 Chevrolet Lumina LTZ 3.8 V6 GAS
Removal
- Raise and support vehicle.
- Mark relationship of wheel to axle, then remove wheel and tire assembly.
- Remove brake drum. If drum is difficult to remove, proceed as follows:
- Ensure parking brake is released.
- Back off parking brake cable adjustment.
- Remove access hole plug from backing plate, insert screwdriver through hole and push parking brake lever off its stop.
- Insert punch through hole in splash shield Fig. , tap on punch to loosen drum. Then remove drum.
- Remove actuator spring using brake tool J 38400, or equivalent to pry loop end of spring from adjuster actuator, Fig. . ...
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BRAKE SERVICE PROCEDURES FOR 1998 Chevrolet Lumina AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 Chevrolet Lumina cars and light trucks from 1990+.
Hydraulic Brake Systems -> Troubleshooting -> Master Cylinder Internal Fluid Leakage Check -> Road Test
Vehicle: 1998 Chevrolet Lumina LTZ 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.
Master Cylinder Internal Fluid Leakage Check
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 ...
CLICK HERE TO GET FULL ACCESS TO 1998 Chevrolet Lumina BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1998 Chevrolet Lumina AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 Chevrolet Lumina cars and light trucks from 1990+.
Hydraulic Brake Systems -> Component Service -> Assemble -> Aurora, Bonneville, Eighty-Eight, LeSabre, LSS, Park Avenue, Regency & Riviera -> Corvette -> Disassemble -> Except Aurora, Bonneville, Eighty-Eight, LeSabre, LSS, Park Avenue, Regency & Riviera -> Master Cylinder Overhaul -> Wheel Cylinder Overhaul
Vehicle: 1998 Chevrolet Lumina 3.1 V6 GAS
Master Cylinder Overhaul
Except Aurora, Bonneville, Eighty-Eight, LeSabre, LSS, Park Avenue, Regency & Riviera
Disassemble
Refer to Figs. and when performing the following procedures.
- Remove master cylinder from vehicle as follows:
- Disconnect and plug hydraulic lines.
- Remove two master cylinder attaching nuts, then the master cylinder.
- Remove reservoir cover and diaphragm. Discard old brake fluid in reservoir.
- Inspect cover and diaphragm.
- Remove fluid level switch, if equipped.
- On models with compact master cylinder, remove proportioner valve assembly, Fig. .
- On all models, depress pri...
CLICK HERE TO GET FULL ACCESS TO 1998 Chevrolet Lumina BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1998 Chevrolet Lumina AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 Chevrolet Lumina cars and light trucks from 1990+.
Hydraulic Brake Systems -> Description -> Brake Distribution Valve & Switch -> Brake Warning Lamp Switches -> Combination Valve -> Components -> Diagonally Split System -> Failure Warning Switch -> Fluid Level Sensor -> Front & Rear Split System -> Metering Valve -> Proportioning Or Pressure Control Valve -> Warning Lamp
Vehicle: 1998 Chevrolet Lumina 3.1 V6 GAS
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, initial brake p...
CLICK HERE TO GET FULL ACCESS TO 1998 Chevrolet Lumina BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1998 Chevrolet Lumina AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 Chevrolet Lumina cars and light trucks from 1990+.
Disc Brakes -> AC-Delco Dual Piston Front Disc Brake -> Troubleshooting -> Brake Roughness
Vehicle: 1998 Chevrolet Lumina LTZ 3.1 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 thickness measurements vary by more than .0005 inch,...
CLICK HERE TO GET FULL ACCESS TO 1998 Chevrolet Lumina BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1998 Chevrolet Lumina AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1998 Chevrolet Lumina cars and light trucks from 1990+.
Disc Brakes -> AC-Delco Single Piston Rear Disc Brake (Type 2) -> Adjustments -> Parking Brake
Vehicle: 1998 Chevrolet Lumina LTZ 3.8 V6 GAS
Parking Brake
- Cycle brake system as follows:
- Apply service brake with a pedal force of 150 lbs. and release.
- Fully apply parking brake using approximately 125 lbs. of force on final stroke, and release.
- Apply and release parking brake two additional times as described above.
- Check parking brake pedal assembly for full release by turning ignition on and inspecting brake warning light. Light should be off.
- If brake warning light is on and parking brake appears to be fully released, operate manual pedal release lever and pull downward on front park brake cable to remove slack from pedal ass...
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