Installation Procedure

Clean any contamination from the male pipe ends of the fuel tank module.

CAUTION: In order to reduce the risk of fire and personal injury that may result from a fuel leak, always replace the fuel sender gasket when reinstalling the fuel sender assembly.

Fig 1: View Of Fuel Tank Module

Courtesy of GENERAL MOTORS CORP.

Place the new fuel tank module seal (1) on the fuel tank.
Complete the following in order to install the fuel tank module (2) into the fuel tank (4):
1. Insert the module (2) into the fuel tank allowing the fuel level sensor arm and float (3) to clear module opening.
2. Lower the module (2) downward into the fuel tank (4).

Fig 2: Installing Fuel Tank Module

Courtesy of GENERAL MOTORS CORP.

Press the fuel tank module downward, aligning the tang (1) with the notch (2) in the fuel tank.
Position the cam lock ring to the fuel tank

Fig 3: Identifying Lock Ring

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IMPORTANT: Always replace the fuel sender seal when installing the fuel sender assembly. Replace the lock ring if necessary. Do not apply any type of lubrication in the seal groove.
Ensure the lock ring is installed with the correct side facing upward. A correctly installed lock ring will only turn in a clockwise direction.

Use the J 45722 in order to install the fuel sender lock ring. See Special Tools . Turn the fuel sender lock ring in a clockwise direction.

Fig 4: View Of Fuel Tank Module, Fuel Pipes, & EVAP Pipes

Courtesy of GENERAL MOTORS CORP.

Refer to Quick Connect Fitting(s) Service (Plastic Collar) in order to connect the following to the fuel tank module (2):
- The evaporative emission (EVAP) pipe (5)
- The fuel return pipe (6)
- The fuel feed pipe (7)
Install the fuel tank. Refer to Fuel Tank Replacement .