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

CAUTION: Refer to Gasoline/Gasoline Vapors Caution .

Remove the fuel tank. Refer to Fuel Tank Replacement .
Remove the fuel tank hoses. Refer to Fuel Hoses/Pipes Replacement - Filter to Tank .

Fig 1: View Of Primary Fuel Tank Module Electrical Connector

Courtesy of GENERAL MOTORS CORP.

Disconnect the electrical connector from the primary fuel tank module.

Fig 2: Rotating Cam Lock Ring Using Special Tool

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.