Removal Procedure

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

Turn the ignition switch to the OFF position.
Disconnect the EBCM harness connector.
Remove the two insulator nuts (1).
Lift the EBCM/BPMV out of the bracket high enough to allow clearance to remove the insulator mounting bolt and the EBCM.

Fig 1: Removing Insulator Mounting Bolt And EBCM
Courtesy of GENERAL MOTORS CORP.
Remove the insulator mounting bolt from the EBCM.
Remove the four EBCM to BPMV bolts.
Separate the EBCM from the BPMV by gently pulling apart until separated.
Carefully remove the seal.
The seal may by reused if it is not cut or damaged.

Fig 2: Separating EBCM From BPMV By Gently Pulling Apart Until Separated

Courtesy of GENERAL MOTORS CORP.