Removal Procedure

CAUTION: Refer to Brake Fluid Irritant Caution .

NOTE: Refer to Brake Fluid Effects on Paint and Electrical Components Notice .

IMPORTANT: Cap the brake pipe fittings to prevent brake fluid loss and contamination.

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Clean all dirt and debris from the brake pressure modulator valve (BPMV) assembly and the brake pipe fittings.
Disconnect the electronic brake control module (EBCM) electrical connector.

IMPORTANT: Note the location of the brake pipes to the BPMV for proper installation.

Fig 1: View Of Rear Brake Pipe, Brake Pipe Fitting & Retaining Clip

GM1702805

Courtesy of GENERAL MOTORS CORP.

Release the brake pipe retaining clip (1) from the frame.
Disconnect the rear brake pipe fitting (2) from the BPMV (4).
Remove the rear brake pipe (3) from the BPMV (4).

Fig 2: View Of Front Brake Pipe Fitting & Pipe

GM1702807

Courtesy of GENERAL MOTORS CORP.

Disconnect the front brake pipe fitting (5) and remove the front brake pipe (6).

Fig 3: View Of Front Brake Pipes, Fittings & Frame Retainer

GM1702809

Courtesy of GENERAL MOTORS CORP.

Disconnect the front brake pipe fittings (7).
Remove the front brake pipes (8) and the frame retainer (9).

Fig 4: View Of BPMV Bracket & Bolts

GM1702813

Courtesy of GENERAL MOTORS CORP.

Remove the BPMV bracket bolts (1).
Remove the BPMV.
If necessary, remove the EBCM. Refer to Electronic Brake Control Module Replacement (W/JL4) or Electronic Brake Control Module Replacement (W/O JL4) .

IMPORTANT:

Fig 5: View Of BPMV Bracket & Components

GM1703731

Courtesy of GENERAL MOTORS CORP.

If removing the BPMV bracket from the BPMV, remove the BPMV mounting bolt (1).
Lift the BPMV from the mounting bracket.
Remove the grommets from the BPMV and the bracket.