Yukon/Denali XL 1500 2WD V8-6.0L VIN U (2005)
6. Using J 45722, rotate the lock ring clockwise in order to lock the ring.
IMPORTANT: Ensure that the tool does not come in contact with the module pipes while unlocking the lock ring.
7. Connect the EVAP lines to the fuel tank module.
8. Install the rear fuel tank.