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Removal Procedure

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Refer to Brake Fluid Irritant Warning .

CAUTION: Always connect or disconnect the wiring harness connector from the EBCM/EBTCM with the ignition switch in the OFF position. Failure to observe this precaution could result in damage to the EBCM/EBTCM.

Fig 1: Identifying Brake Pipes & Fittings

GM1986367

Courtesy of GENERAL MOTORS CORP.

Turn the ignition switch to the OFF position.
Remove the cover from the engine control module (ECM) and transmission control module (TCM), if equipped.
Clean the electronic brake control module (EBCM) to brake pressure modulator valve (BPMV) area of any accumulated dirt and foreign material.
Disconnect the electrical connector from the EBCM.
Disconnect the LR brake pipe fitting (1) from the BPMV.
Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
Disconnect the RR brake pipe fitting (2) from the BPMV.
Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.

Fig 2: View Of Brake Pipes & Fittings

GM1986368

Courtesy of GENERAL MOTORS CORP.

Disconnect the LF brake pipe fitting (1) from the BPMV.
Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.
Disconnect the RF brake pipe fitting (2) from the BPMV.
Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid loss and contamination.

Fig 3: Identifying Master Cylinder Primary Brake Pipe & Fitting At BPMV

GM1986371

Courtesy of GENERAL MOTORS CORP.

Disconnect the master cylinder primary brake pipe fitting (1) from the BPMV.
Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.
Disconnect the master cylinder secondary brake pipe fitting (2) from the BPMV.
Cap the brake pipe fitting and plug the BPMV inlet port to prevent brake fluid loss and contamination.

Fig 4: Identifying BPMV Mounting Bolt

GM1986374

Courtesy of GENERAL MOTORS CORP.

Remove the BPMV bolt (1).

Fig 5: View Of BPMV

GM1986376

Courtesy of GENERAL MOTORS CORP.

Carefully remove the BPMV (1) from the BPMV bracket insulators by pulling straight upward.
Do not pry against the accumulator covers on the underside of the brake modulator assembly to release the mounting pins from the bracket insulators.
If installing a new BPMV, remove the EBCM. Refer to Electronic Brake Control Module Replacement (Without JL4) or Electronic Brake Control Module Replacement (With JL4) .