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 Base, 3.7 K, RWDFACTORY OEM SERVICE PROCEDURE
Fuel Pump Module
- Drain and remove fuel tank. See STANDARD PROCEDURE .
- Note rotational position of pump module before attempting removal. An indexing arrow (4) is located on top of module for this purpose.
- Disconnect pigtail harness connector (2) at pump module (7).
- Disconnect fittings (3) and (6) from pump module. See STANDARD PROCEDURE .
- Position Lockring Remover/Installer 9340 (3) into notches on outside edge of lockring (5).
- Install 1/2 inch drive breaker bar (1) to tool 9340 (3).
- Rotate breaker bar counter-clockwise to remove lockring.
- Remove lockring. The module will spring up slightly when lockring is removed.
- Remove module from fuel tank. Be careful not to bend float arm while removing.
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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