Removal Procedure

CAUTION: To prevent equipment damage, never connect or disconnect the wiring harness connection from the EBCM with the ignition switch in the ON position.

Turn the ignition switch to the OFF position.
Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (LS3) or Battery Negative Cable Disconnection and Connection (LS7 or LS9) .
Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement (7.0L) or Air Cleaner Assembly Replacement (LS9) or Air Cleaner Assembly Replacement (6.2L) .
Clean the area surrounding the electronic brake control module (EBCM) and the brake pressure modulator valve (BPMV) of and dirt and debris.
Disconnect the EBCM electrical connector.

Fig 1: Rear Brake Pipe Fittings

Courtesy of GENERAL MOTORS CORP.

Disconnect the left rear brake pipe fitting (1).
Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid leaks and contamination.
Disconnect the right rear brake pipe fitting (2).
Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid leaks and contamination.

Fig 2: Front Brake Pipe Fittings

Courtesy of GENERAL MOTORS CORP.

Disconnect the right front brake pipe fitting (1).
Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid leaks and contamination.

Do not force the components apart.
Disconnect the left front brake pipe fitting (2).
Cap the brake pipe fitting and plug the BPMV outlet port to prevent brake fluid leaks and contamination.

Fig 3: Master Cylinder Brake Pipe Fittings

Courtesy of GENERAL MOTORS CORP.

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

Fig 4: BPMV Nuts

Courtesy of GENERAL MOTORS CORP.

Remove the BPMV nuts (1).

Fig 5: EBCM/BPMV Module Assembly

Courtesy of GENERAL MOTORS CORP.

Remove the EBCM/BPMV module assembly (1) from the bracket.

Fig 6: BPMV Insulators

Courtesy of GENERAL MOTORS CORP.

Remove the BPMV insulators (1).
Inspect the insulators for damage and replace, if necessary.

Fig 7: EBCM Bolts

Courtesy of GENERAL MOTORS CORP.

Remove the EBCM bolts (1).

NOTE: Do not attempt to pry or lever the EBCM from the BPMV.

Fig 8: EBCM

Courtesy of GENERAL MOTORS CORP.

Carefully remove the EBCM (1) from the BPMV.
Do not force the components apart.
Clean the sealing surfaces of the EBCM and the BPMV with denatured alcohol and allow to dry.