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 AWDFACTORY OEM SERVICE PROCEDURE
Removal Procedure
NOTE:
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.
- Turn the ignition switch to the OFF position.
- Remove the air cleaner housing from the engine compartment.
- Disconnect the EBCM harness connector.
- Brush off any dirt/debris that has accumulated on the assembly.
- Disconnect the pump motor connector (3) at the bottom of the EBCM.
Important:
- Do not damage the seal by prying the EBCM from the BPMV.
- Do not damage the solenoid valves while removing the EBCM from the BPMV.
- Remove the six EBCM to BPMV screws (2).
- Separate the EBCM from the BPMV by gently pulling apart until separated (1).
Factory Service Tools
Use the Manual With the Right Hardware
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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.