Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2003 Pontiac Aztek FWDFACTORY OEM SERVICE PROCEDURE

Installation Procedure

Important: Use only new wave springs and screws supplied with the new EBCM.

Clean the BPMV surface with alcohol using a clean rag.
Install the EBCM (1) to the BPMV.
Install the 6 screws that attaches the EBCM to BPMV.
Tighten
- Tighten the top 4 mounting screws to 5 N.m (44 lb in). Tighten screws in an X pattern.
- Tighten the bottom 2 mounting screws to 5 N.m (44 lb in).
- Connect the pump motor connector to the bottom of the EBCM.
Fig 1: Installing EBCM-To-BPMV
Courtesy of GENERAL MOTORS CORP.
Connect the EBCM harness connector and depress the locking tab (1) to secure.
Install the air cleaner housing.
Turn the ignition switch to the RUN position, do not start engine.
Perform the DIAGNOSTIC SYSTEM CHECK - ABS .

Fig 2: Connecting EBCM Harness Connector

Courtesy of GENERAL MOTORS CORP.

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.