Removal Procedure
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.
- Turn the ignition switch to the OFF position.
- Remove the attaching bolts for the cruise control module.
- Swing the cruise control module off to the side.
- Remove the air cleaner housing from the engine compartment.
- Disengage the red locking tab from the connector (1).
- Push down lock tab (1) and then move sliding connector cover (2) to the open position.
- Disconnect the EBCM harness connector.
Important: Note the locations of the brake pipes in order to aid in installation.
- Disconnect the 4 wheel brake pipes from the BPMV.
- Swing the four wheel brake pipes out of the way only after covering the open pipes to avoid dripping or being contaminated.
- Disconnect the master cylinder brake pipes from the BPMV.
- Loosen the brake pipes but do not remove the brake pipes from the master cylinder.
- Swing the 2 master cylinder brake pipes out of the way only after covering the open pipes to avoid dripping or being contaminated.
- Remove the 3 BPMV mounting bracket nuts (2) from the inner wheel housing mount surface of the strut tower.
- Reinstall the top nut upside down on the top stud.
- Lightly tap on the bottom of the nut until the stud has loosened up.
- Disconnect the ground strap between the EBCM assembly and the chassis.
- Remove the BPMV mounting bracket and EBCM assembly from the vehicle.
Courtesy of GENERAL MOTORS CORP.
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 two bolts (1) that connect the BPMV to the mounting bracket (2).
- Remove EBCM if replacing the BPMV only. Refer to ELECTRONIC BRAKE CONTROL MODULE (EBCM) REPLACEMENT .