WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Important: After installation, calibrate the new EBCM to the tire size that is appropriate to the vehicle.

Disconnect the negative battery cable.
Raise and suitably support the vehicle.
Important: The area around the EHCU MUST be free from loose dirt to prevent contamination of disassembled ABS components.
Thoroughly was all contaminants from around the EHCU (1).

Fig 1: Locating EHCU
Courtesy of GENERAL MOTORS CORP.
Disconnect the electrical connectors from the EBCM.
Loosen or remove the bolts (4) securing the EHCU mounting bracket (3) to the frame rail (5).
Gently move the EHCU down enough to remove the mounting screws that fasten the EBCM (2) to the BPMV (1).
Remove the EBCM (2) from the BPMV (1). Removal may require a light amount of force.
NOTE: Do not use a tool to pry the EBCM or the BPMV. Excessive force will damage the EBCM.
Clean the BPMV to EBCM mounting surfaces with a clean cloth.

Fig 2: BPMV & EBCM
Courtesy of GENERAL MOTORS CORP.

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.

Safety Warning

Removal Procedure

Use the Manual With the Right Hardware

When to See a Mechanic