Removal Procedure

CAUTION: Refer to Brake Fluid Irritant Caution .

CAUTION: For safety reasons, the Brake Pressure Modulator Valve (BPMV) must not be repaired; the complete unit must be replaced. With the exception of the EBCM/EBTCM, no screws may be loosened. If screws are loosened, it will not be possible to get the brake circuits leak-tight and personal injury may result.

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

Fig 1: Identifying EBCM Harness Connector

Courtesy of GENERAL MOTORS CORP.

Turn the ignition switch to the OFF position.
Pull out lock tab (1) from electronic brake control module (EBCM) harness connector.
Disconnect the EBCM harness connector.

Fig 2: Wheel Cylinder Brake Pipes & BPMV

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Note the locations of the brake pipes in order to aid in installation.

Disconnect the wheel cylinder brake pipes (1) from the brake pressure modulator valve (BPMV) (2).

Fig 3: Master Cylinder Brake Pipes & BPMV

Courtesy of GENERAL MOTORS CORP.

Disconnect the master cylinder brake pipes (1) from the BPMV (2).

Fig 4: BPMV Bracket Nuts

Courtesy of GENERAL MOTORS CORP.

Remove the 2 nuts (1) that connect the BPMV to the BPMV bracket.

NOTE: When removing the brake pressure modulator valve, protect the vehicle exterior from possible brake fluid spillage. Brake fluid can cause damage to painted surfaces.

Remove the BPMV (2) and EBCM as an assembly from the vehicle.
Remove EBCM if replacing the BPMV only. Refer to Electronic Brake Control Module Replacement .