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 Wrangler 4WD V6-3.8LFACTORY OEM SERVICE PROCEDURE
Installation
INSTALLATION
CAUTION: Whenever the fuel pump module is serviced, the rubber seal (gasket) must be replaced.
1. Using a new seal (gasket), position fuel pump module into opening in fuel tank.
2. Position lockring (5) over top of fuel pump module.
3. Rotate module until embossed alignment arrow points to center alignment mark. This step must be performed to prevent float from contacting side of fuel tank.
4. Install Lockring Remover/Installer 9340 (3) to lockring.
5. Install 1/2 inch drive breaker (1) into Lockring Remover/Installer 9340 (3).
6. Tighten lockring (clockwise) until all seven notches have engaged.
7. Install fuel tank.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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