Installation Procedure

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Fig 1: View Of Fuel Tank Module & Quick Connect Fitting

Courtesy of GENERAL MOTORS COMPANY

Install a NEW fuel tank module seal onto the fuel tank.
Pull the vent line in the fuel tank up as far as possible for ease of installation.
Position the fuel tank module part way into the fuel tank.
Connect the quick connect fitting (1) to the module cover. Refer to Plastic Collar Quick Connect Fitting Service .
Install the fuel tank module into the fuel tank.
Place the lock ring into position.

Fig 2: Identifying Lock Ring

Courtesy of GENERAL MOTORS COMPANY

NOTE:

Always replace the fuel module seal when installing the fuel module. 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.

Rotate the lock ring counterclockwise using the J-45722 wrench until fully seated.
Connect the fuel and EVAP lines to the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service .
Install the fuel tank. Refer to Fuel Tank Replacement (1500 LWB - 117.3L (31 gal) Tank + E85) , Fuel Tank Replacement (1500 SWB - 98.4L (26 gal) Tank) , Fuel Tank Replacement (1500 SWB - 98.4L (26 gal) Tank + E85) , Fuel Tank Replacement (2500 LWB - 4.35L (11.5 gal) Tank Rear) , Fuel Tank Replacement (1500 LWB - 117.3L (31 gal) Tank) , Fuel Tank Replacement (2500 LWB - 98.4L (26 gal) Tank Front) .