Yukon Denali 4WD V8-6.0L Hybrid (2011)
5. Carefully lift the module from the fuel tank enough to access the quick connect fittings (1) under the module cover. Disconnect the quick connect
fittings. Refer to Plastic Collar Quick Connect Fitting Service See: Fuel Line Coupler/Service and Repair/Plastic Collar Quick Connect Fitting
Service.
6. Remove the fuel tank module.
7. Remove and discard the fuel tank module seal.
Note:
*
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.
*
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 the lock ring and the flat surface using a feeler gauge at 7 points.
9. If warpage is less than 0.41 mm (0.016 in), the lock ring does not require replacement.
10. If warpage is greater than 0.41 mm (0.016 in), the lock ring must be replaced.
Installation Procedure
