Colorado 2WD L5-3.7L (2007)
9. Raise the fuel pump module up from the fuel tank. Tilt the module in order to allow the fuel level sensor arm and float to clear the module
opening.
10. Remove the fuel pump module.
11. Remove and discard the fuel pump module seal.
Caution: Drain the fuel from the fuel sender assembly into an approved container in order to reduce the risk of fire and personal injury.
Never store the fuel in an open container.
12. Clean the fuel pump module sealing surface.
Important: Some lock rings were manufactured with DO NOT REUSE stamped into them. These lock rings may be reused if they are not
damaged or warped.
Important: Inspect the lock ring for damage due to improper removal or installation procedures. If damage is found, install a NEW lock
ring.
Important: Check the lock ring for flatness.
13. Place the lock ring on a flat surface. Measure the clearance between the lock ring and the flat surface using a feeler gage at 7 points.
14. If warpage is less than 0.41 mm (0.016 in), the lock ring does not require replacement.
15. If warpage is greater than 0.14 mm (0.016 in), the lock ring must be replaced.
Installation Procedure
