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.
2005 Pontiac Sunfire AutomaticFACTORY OEM SERVICE PROCEDURE
Installation Procedure
- Clean the sealing surface of the BPMV, with denatured alcohol and a clean shop cloth.
- If the EBCM that was removed is being reinstalled, clean the seal and sealing surface of the EBCM, with denatured alcohol and a clean shop cloth.
- Install the EBCM (1) to the BPMV (2). Use care when aligning the EBCM to the BPMV electrical terminals.
- Install the 4 EBCM-to-BPMV retaining bolts. Tighten the bolts in a criss-cross pattern.
Tighten: Tighten the bolts to 5 N.m (44 lb in).
- Connect the electrical harness connector (4) to the EBCM (3).
- Depress the cover lock tab, then move the sliding connector cover (2) to the home position to lock.
- Engage the electrical connector CPA locking tab (1) to the connector sliding cover lock tab.
- Perform the Diagnostic System Check. Refer to Diagnostic System Check - Vehicle in Vehicle DTC Information.
NOTE:
Refer to Fastener Notice
in Cautions and Notices.
IMPORTANT:
Do NOT start the engine, but only turn the ignition switch to the ON position.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.