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.
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HOMESERVICE MANUALSJEEP2008COMMANDER OVERLAND, 4WDREPAIR AND DIAGNOSISENGINE MECHANICALFUEL SYSTEMFUEL DELIVERY - DIESELSENSOR-FUEL LEVEL SENDING UNITREMOVALFUEL LEVEL SENDING UNIT SENSOR
2008 Jeep Commander Overland, 4WD
Fuel Level Sending Unit Sensor
2008 Jeep Commander Overland, 4WDSECTION Fuel Level Sending Unit Sensor
- Raise vehicle.NOTE: A one-way check-valve is located within the fuel fill fitting on the fuel tank. Consequently, the tank can't be drained through the fuel fill hose. To drain diesel fuel from tank, disconnect fuel line at fuel filter/water separator. Use a diagnostic scan tool to activate the electric fuel pump. Drain diesel fuel into an approved storage/holding tank.
- Disconnect pump module electrical pigtail connector (1) from body wiring harness connector (2). See Figure.
- Disconnect fuel line connectors (1) and (2) at front of tank (3). See STANDARD PROCEDURE .
- Disconnect fuel vent connectors (1) and (5) at rear of tank. See STANDARD PROCEDURE .
- Loosen clamp (4) and disconnect rubber fill hose (2) at tank fitting (3).
- Support tank with a hydraulic jack.
- Remove bolts (1) and (2) at right side of fuel tank. See Figure.
- Remove bolts (3) at left side of fuel tank.
- Lower tank for removal.
- If fuel tank is to be replaced, remove fuel pump module from tank. See REMOVAL .
- Remove fuel sending unit from module.
RENDER: 1.0x
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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.