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.
2003 Chevrolet Express 1/2 Ton Van V6-4.3L VIN XFACTORY OEM SERVICE PROCEDURE
Disc Brake Backing Plate Replacement - Rear
Disc Brake Backing Plate Replacement-Rear
Caution: Refer to Brake Dust Caution in Service Precautions.
Brake Dust Caution
Removal Procedure
1. Disable the park brake cable automatic adjuster.
2. Raise and support the vehicle. Refer to Vehicle Lifting.
3. Remove the tire and wheel assembly.
4. Perform the following procedure to remove the cable (2) from the backing plate (4):
4.1. Compress the spring (3) by pushing towards the lever (1).
4.2. Depress the locking tabs.
4.3. Pull the cable housing out of the backing plate (4).
4.4. Remove the cable (2) through the slot in the backing plate.
5. Remove the park brake cable (2) from the lever (1).
6. For the 15 and 25 series, perform the following steps:
6.1. Remove the rotor.
6.2. Remove the axle shaft.
7. For the 35 series with single rear wheels, perform the following steps:
7.1. Remove the rotor.
7.2. Remove the hub assembly.
8. For the 35 series with dual rear wheels, remove the hub and rotor assembly.
9. Remove the park brake shoe.
10. Remove the backings plate nuts.
11. Remove the backing plate from the axle housing flange.
Installation Procedure
1. Install the backing plate to the axle housing flange.
Notice: Refer to Fastener Notice in Service Precautions.
Fastener Notice
2. Install the backing plate nuts Tighten
- without dual real wheels Tighten the backing plate bolts to 135 Nm (100 ft. lbs.).
- With dual rear wheels tighten the backing plate bolts to 160 Nm (118 ft. lbs.) plus 30 degrees.
3. Install the park brake shoe.
4. For the 15 and 25 series, perform the following steps:
4.1. Install the axle shaft.
4.2. Install the rotor.
5. For the 35 series with single rear wheels, perform the following steps:
5.1. Install the hub, assembly.
5.2. Install the rotor.
6. For the 35 series with dual rear wheels, install the hub and rotor assembly.
7. Adjust the park brake shoe.
8. Install the park brake cable (2) to the lever (1).
9. Perform the following procedure to install the cable (2) to the backing plate (4):
9.1. Compress the spring (3) by pushing towards the lever (1).
9.2. Route the cable (2) through the slot in the backing plate.
9.3. Push the cable housing into the backing plate (4) until the locking tabs snap into place.
10. Install the tire and wheel assembly.
11. Remove the safety stands.
12. Lower vehicle.
13. Enable the park brake cable automatic adjuster.
Caution: Refer to Brake Dust Caution in Service Precautions.
Brake Dust Caution
Removal Procedure
1. Disable the park brake cable automatic adjuster.
2. Raise and support the vehicle. Refer to Vehicle Lifting.
3. Remove the tire and wheel assembly.
4. Perform the following procedure to remove the cable (2) from the backing plate (4):
4.1. Compress the spring (3) by pushing towards the lever (1).
4.2. Depress the locking tabs.
4.3. Pull the cable housing out of the backing plate (4).
4.4. Remove the cable (2) through the slot in the backing plate.
5. Remove the park brake cable (2) from the lever (1).
6. For the 15 and 25 series, perform the following steps:
6.1. Remove the rotor.
6.2. Remove the axle shaft.
7. For the 35 series with single rear wheels, perform the following steps:
7.1. Remove the rotor.
7.2. Remove the hub assembly.
8. For the 35 series with dual rear wheels, remove the hub and rotor assembly.
9. Remove the park brake shoe.
10. Remove the backings plate nuts.
11. Remove the backing plate from the axle housing flange.
Installation Procedure
1. Install the backing plate to the axle housing flange.
Notice: Refer to Fastener Notice in Service Precautions.
Fastener Notice
2. Install the backing plate nuts Tighten
- without dual real wheels Tighten the backing plate bolts to 135 Nm (100 ft. lbs.).
- With dual rear wheels tighten the backing plate bolts to 160 Nm (118 ft. lbs.) plus 30 degrees.
3. Install the park brake shoe.
4. For the 15 and 25 series, perform the following steps:
4.1. Install the axle shaft.
4.2. Install the rotor.
5. For the 35 series with single rear wheels, perform the following steps:
5.1. Install the hub, assembly.
5.2. Install the rotor.
6. For the 35 series with dual rear wheels, install the hub and rotor assembly.
7. Adjust the park brake shoe.
8. Install the park brake cable (2) to the lever (1).
9. Perform the following procedure to install the cable (2) to the backing plate (4):
9.1. Compress the spring (3) by pushing towards the lever (1).
9.2. Route the cable (2) through the slot in the backing plate.
9.3. Push the cable housing into the backing plate (4) until the locking tabs snap into place.
10. Install the tire and wheel assembly.
11. Remove the safety stands.
12. Lower vehicle.
13. Enable the park brake cable automatic adjuster.
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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