Avalanche 1500 2WD V8-5.3L (2008)
Hydraulic Control Assembly - Antilock Brakes: Service and Repair
Brake Pressure Modulator Valve Replacement (With JL4)
Brake Pressure Modulator Valve Replacement (With JL4)
Removal Procedure
Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Notice .
Caution: Refer to Brake Fluid Irritant Caution .
Notice: Refer to Brake Fluid Effects on Paint and Electrical Components Notice .
Important: Cap the brake pipes to prevent brake fluid loss and contamination.
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Clean all dirt and debris from the BPMV assembly and the brake pipe fittings.
3. Disconnect the electronic brake control module (EBCM) electrical connector.
Important: Note the location of the brake pipes to the BPMV for proper installation.
4. Release the brake pipe retaining clip (1) from the frame.
5. Disconnect the rear brake pipe fittings (2) and (4) from the BPMV (6).
6. Remove the rear brake pipes (3) and (5) from the BPMV (6).
