Yukon XL 2500 2WD V8-8.1L VIN G (2004)
12. Install the rear exhaust insulator.
13. Install the spare tire.
14. Install the spare tire stowage lock cylinder.
15. Install the fuel tank filler housing.
16. Install the fuel tank filler housing to fuel tank fill pipe bolts.
Tighten the bolts to 2.3 N.m (20 lb in).
17. Install the fuel tank filler housing to body TORX(r) screws (1) and retainer (2).
Tighten the screws to 2.3 N.m (20 lb in).