Lucerne V6-3.9L (2009)
Note: DO NOT reuse the old fuel pump sender seal.
20. Remove and discard the fuel pump sender O-ring seal.
Note:
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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.
21. Place the lock ring on a flat surface. Measure the clearance between to lock ring and the flat surface using a feeler gauge at 7 different points.
22. If the warpage is less than 0.41 mm (0.016 in), the lock ring does not require replacement.
23. If the warpage is greater than 0.41 mm (0.016 in), the lock ring must be replaced.
Installation Procedure
