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.
2008 Jeep Commander 4WD V8-4.7LFACTORY OEM SERVICE PROCEDURE
Fuel Tank - Installation
INSTALLATION
1. If fuel tank is to be replaced, install fuel pump module into tank Fuel Pump Module - Installation.
2. Position fuel tank to hydraulic jack.
3. Raise tank until positioned to body.
4. Install and tighten bolts (1) (2) and (3) Fuel Delivery Torque Specifications.
5. Remove hydraulic jack.
6. Connect EVAP, ORVR, fuel and NVLD lines at front and rear of tank.
7. Connect fuel pump module electrical jumper connector (5) to body connector (6).
8. Connect rubber fill hose (3) to tank fitting (7) and tighten clamp (9).
9. Lower vehicle.
10. Fill fuel tank with fuel.
11. Start engine and check for fuel leaks near top of module.
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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