Yukon 4WD V8-5.3L (2008)
1. Remove the caps from the open end of the front fuel tank.
2. Remove the caps from the fuel/EVAP lines.
3. Install the fuel fill hose/pipe assembly.
4. Install the fuel fill hose to the front tank.
5. Connect the fuel fill hose EVAP line quick connect fitting (2) to the fuel tank line.
6. Tighten the fuel tank fill hose clamp (1) at the front tank.
Tighten the clamps to 2.5 N.m (22 lb in).
7. Install the fuel fill hose integral clamp to the crossmember.
8. Install the rear axle vent hose clip to the fill pipe neck.
9. Position the fill pipe ground strap (5) to the left rear lamp ground wire (4).
10. Install the rear lamp ground wire (4) and ground strap (5) to the frame. Insert the lamp ground wire anti-rotation tab into the hole in the frame.
11. Insert the chassis wiring harness ground bolt.
Tighten the bolt to 9 N.m (80 lb in).
