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.
2017 Cadillac CTS Base, AWDFACTORY OEM SERVICE PROCEDURE
Installation Procedure
- Install a NEW seal (2) and the fuel tank module (1).
- Connect the fuel pump vent hose (2) and transfer hose (1). Refer to Plastic Collar Quick Connect Fitting Service .
- Use the CH 45722 wrench by turning clockwise and install the lock ring (1).
- Connect the fuel pump electrical connector and the quick connects. Refer to Plastic Collar Quick Connect Fitting Service .
- Install the fuel tank. Refer to Fuel Tank Replacement .
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.