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.

2006 Cadillac STS VFACTORY OEM SERVICE PROCEDURE

Removal Procedure

Using a scan tool, retrieve the percentage of remaining engine oil and the remaining automatic transmission fluid life. Record the remaining engine oil and the remaining automatic transmission fluid life.
Turn OFF the ignition.
Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .

Fig 1: View Of Front Air Deflector And Push Pin retainers

Courtesy of GENERAL MOTORS CORP.

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Remove the front air deflector. Refer to Front Air Deflector Replacement .

Fig 2: View Of ECM

Courtesy of GENERAL MOTORS CORP.

Disconnect the engine control module (ECM) electrical connectors (1).
Remove the ECM mounting nuts (2).
Remove the ECM from the vehicle.

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.