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.
2012 Chevrolet VoltFACTORY OEM SERVICE PROCEDURE
Removal Procedure
- Remove the fuel tank. Refer to Fuel Tank Replacement .
- Disconnect the evaporative emission and fuel lines (1). Refer to Plastic Collar Quick Connect Fitting Service .
- Disconnect the electrical connector (2).
- Using the CH 45722 wrench, remove the lock ring (1) by turning counter-clockwise.
- Partially raise the fuel pump module and disconnect the vent valve connector (1). Refer to Plastic Collar Quick Connect Fitting Service
- Remove the fuel pump module (1) and O-ring (2). DISCARD the O-ring.
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.
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