Replacing Fuel Sender Assembly on Silverado 3500 - Step-by-Step Guide
Fuel Level Sensor: Service and Repair
Fuel Sender Assembly Replacement 2
FUEL SENDER ASSEMBLY REPLACEMENT
TOOLS REQUIRED
J 45722 Fuel Sender Lock Ring Wrench
REMOVAL PROCEDURE
1. Remove the fuel tank.
2. Disconnect the fuel lines from the sending unit.
3. Do NOT use impact tools. Significant force will be required to release the lock ring. The use of a hammer and screwdriver is not recommended.
Secure the fuel tank in order to prevent fuel tank rotation.
NOTE:
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Avoid damaging the lock ring. Use only J-45722 to prevent damage to the lock ring.
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Do Not handle the fuel sender assembly by the fuel pipes. The amount of leverage generated by handling the fuel pipes could damage the joints.
IMPORTANT: Use the J 45722 and a long breaker-bar in order to unlock the fuel sender lock ring.
4. Remove the sending unit and seal. Discard the seal.
5. Clean the sending unit sealing surfaces.
