Removal Procedure

WARNING: This page is about a different car, the 2006 Pontiac Torrent and 2006 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Transmission Control Module

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Turn the ignition switch to the OFF position.
Remove the transmission control module (TCM), if equipped, from the mounting bracket and position aside.

Fig 2: Disconnecting/Connecting Electrical Connector From Electronic Brake Control Module (EBCM)

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Clean the brake modulator assembly pipe fitting areas of any accumulated dirt and foreign material.
Disconnect the electrical connector from the electronic brake control module (EBCM).

Fig 3: Removing/Installing Plugs From Master Cylinder Ports On The Modulator Assembly

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Place a shop towel under the brake modulator assembly to catch any brake fluid loss.

IMPORTANT: Prior to disconnecting the brake pipes from the antilock brake system (ABS) modulator assembly, note the locations of the brake pipes to the valve assembly, to aid during installation.

Disconnect the caliper and wheel cylinder brake pipes from the brake pressure modulator valve (BPMV).
Cap the brake pipe ends to prevent brake fluid loss and contamination.
Disconnect the master cylinder brake pipes from the BPMV.
Cap the brake pipe ends to prevent brake fluid loss and contamination.
Plug the modulator brake pipe openings to prevent brake fluid loss and contamination.

Fig 4: Removing/Installing Brake Modulator Assembly To The Bracket

Courtesy of GENERAL MOTORS CORP.

Loosen the 2 insulator nuts on the brake pressure modulator valve assembly.
Remove the brake modulator assembly from modulator bracket by pulling straight up.