CTS RWD V6-3.6L (2008)
Important: Always replace the fuel tank module seal when installing the fuel tank module assembly. Replace the lock ring if necessary.
DO NOT apply any type of lubrication in the seal groove.
1. Install a NEW fuel tank module seal (4).
2. Grasp the fuel transfer hose from inside the fuel tank.
3. Partially install the primary fuel tank module (1) to the fuel tank.
4. Connect the fuel transfer hose quick connect fitting (3) to the port on the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service (
See: Fuel Line Coupler/Service and Repair/Plastic Collar Quick Connect Fitting Service) .
5. Press the primary fuel tank module downward, aligning the module to the encapsulated ring.
Important: Ensure the lock ring is installed with the correct side facing upward. A correctly installed lock ring will only turn in a
clockwise direction.
6. Position the cam lock ring (3) to the fuel tank.
Important: DO NOT use impact tools. Significant force will be required to install the lock ring. The use of a hammer and screwdriver is
