Silverado Classic 3500 4WD V8-6.6L DSL Turbo (2007)
Fuel Level Sensor: Service and Repair
Fuel Sender Assembly Replacement 1
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.
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: 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.
3. 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.
IMPORTANT:
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Some lock rings were manufactured with "DO NOT REUSE" stamped into them. These lock rings may be reused if they are not