C 1500 Yukon 2WD V8-5.3L VIN Z Flex Fuel (2003)
7. Install the rear axle vent hose clip (3) at the fill pipe.
8. Lower the vehicle.
9. Remove the fuel tank filler housing to fuel tank fill pipe screws.
Tighten
Tighten the screws to.....................................2.3 N.m (20 lb in).
10. Install the spare tire.