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.

2011 Chevrolet Impala LTZFACTORY OEM SERVICE PROCEDURE

Installation Procedure

Fig 1: Identifying Fuel Sender Assembly & Lock Ring

Courtesy of GENERAL MOTORS CORP.

Position the NEW fuel sender O-ring seal onto the fuel tank.
Install the fuel sender (2) into the fuel tank. Ensure that the align tab is in the proper location.
Push down the fuel sender and position the lock ring (1) onto the fuel tank.

Fig 2: Identifying Lock Ring

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.

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