Grand Prix V6-3.8L VIN 2 (2004)
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.
4. Use the J 39765 and a long breaker-bar in order to unlock the fuel sender lock ring (1). Turn the fuel sender lock ring in a counterclockwise
direction.
5. Remove the fuel sender lock ring (1) and the fuel sender (2) from the fuel tank.
6. Remove and discard the fuel sender seal (3).
7. Remove the fuel level sensor from the fuel sender module.
Important:
-
Some lock ring were manufactured with DO NOT REUSE stamped into them. These lock rings may be reused if they are not damaged or warped.
-
Inspect the lock ring for damage due to improper removal or installation procedures. If damage is found, install a NEW lock ring.
-
Check the lock ring for flatness.
8. Place the lock ring on a flat surface. Measure the clearance between to lock ring and the flat surface using a feeler gage at 7 points.
9. If the warpage is less than 0.41 mm (0.016 in), the lock ring does not require replacement.
10. If the warpage is greater than 0.41 mm (0.016 in), the lock ring must be replaced.
Installation Procedure
1. Install the fuel level sensor to the fuel sender module.
2. Clean the fuel sender sealing flange.
Important: Always replace the fuel sender seal when installing the fuel sender assembly.
3. Install the NEW fuel sender seal (3) to the fuel tank seal groove.
