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.
2016 Chevrolet City Express LSFACTORY OEM SERVICE PROCEDURE
Installation Procedure
- Install a NEW fuel pump O-ring.
- Fuel Tank Fuel Pump Module - Install
- Insert the fuel tank fuel pump module into the fuel tank with its matching arrow aligned with fuel tank matching arrow.
- Install the special tool: J-45747
Fuel Tank Lock Ring Wrench
- Fuel Pump Lock Ring - Tighten
- Fuel Pump - Install the following components:
- Harness Connector
- Fuel Feed Hose Plastic Collar Quick Connect Fitting Service
- Install inspection hole cover.
- Install the floor trim panel.
- Connect the negative battery cable. Battery Negative Cable Disconnection and Connection
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.
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