Installation Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban, and 2018 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
- 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.
- 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 .
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.