Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2003AVALANCHE 1500 2WD V8-5.3L VIN TREPAIR AND DIAGNOSISBRAKES AND TRACTION CONTROLDISC BRAKE SYSTEMSERVICE AND REPAIRFRONT
2003 Chevrolet Avalanche 1500 2WD V8-5.3L VIN T
Front
2003 Chevrolet Avalanche 1500 2WD V8-5.3L VIN TSECTION Front
Disc Brake Hardware Replacement - Front
Removal Procedure
Caution: Refer to Brake Dust Caution in Cautions and Notices.
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
Note: Support the brake caliper with heavy mechanic's wire, or equivalent, whenever it is separated from it's mount and the hydraulic flexible brake hose is still connected. Failure to support the caliper in this manner will cause the flexible brake hose to bear the weight of the caliper, which may cause damage to the brake hose and in turn may cause a brake fluid leak.
3. Remove the caliper from the mounting bracket and support the caliper with heavy mechanic's wire or equivalent. DO NOT disconnect the hydraulic brake flexible hose from the caliper. Refer to Brake Caliper Replacement - Front .
4. Remove the disc brake pads from the disc brake caliper mounting bracket.
5. Remove the disc brake pad retainers from the disc brake caliper mounting bracket.
6. Inspect the disc brake hardware. Refer to Disc Brake Mounting and Hardware Inspection - Front .
7. Remove the caliper pin boots (4) from the disc brake caliper mounting bracket (3).
Installation Procedure
1. Lubricate the front brake caliper bushings, bolts and seals with high temperature silicone brake lubricant.
2. Install the caliper pin boots (4) to the disc brake caliper mounting bracket (3).
3. Install the disc brake pad retainers to the disc brake caliper mounting bracket.
4. Install the disc brake pads to the disc brake caliper mounting bracket.
5. Install the disc brake caliper to the caliper mounting bracket. Refer to Brake Caliper Replacement - Front .
6. With the engine OFF, gradually apply the brake pedal approximately 2/3 of its travel distance.
7. Slowly release the brake pedal.
8. Wait 15 seconds, then repeat steps 78 until a firm brake pedal is obtained. This will properly seat the brake caliper pistons and brake pads.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.