Hummer H2. Manual — part 1450

Fig. 92: Fuel Fill Hose & Hose Clamps
Courtesy of GENERAL MOTORS CORP.

4. Remove the fuel fill pipe housing/bezel to fuel fill pipe bolts.

5. Remove housing/bezel by rotating clockwise.

6. Remove the left rear wheelhouse panel. Refer to Wheelhouse Panel Replacement in Body Rear End.

7. Disconnect the rear axle vent and air spring compressor hoses from the retainer on the fuel fill pipe, if

applicable.

8. Loosen the fuel vent hose to fuel tank clamp.

9. Loosen the fuel fill hose to fuel tank clamp.

10. Disconnect the fuel fill pipe bracket bolt.

2004 Hummer H2

2004 ENGINE PERFORMANCE Engine Controls (Introduction) - 4.8L, 5.3L, and 6.0L - Hummer H2

11. Disconnect the fuel fill and vent hoses from the fuel tank.

12. Remove the fuel fill and vent pipe and hose assembly.

13. Cap the open end of the fuel tank.

Installation Procedure

Fig. 93: Fuel Fill Hose & Hose Clamps
Courtesy of GENERAL MOTORS CORP.

1. Uncap the fuel tank.

NOTE:

Refer to Fastener Notice in Cautions and Notices.

2004 Hummer H2

2004 ENGINE PERFORMANCE Engine Controls (Introduction) - 4.8L, 5.3L, and 6.0L - Hummer H2

2. Install the fuel fill and vent pipe hose assembly to the fuel tank.

Tighten: Tighten the vent hose clamp and the fuel fill pipe clamp to 2.5 N.m (22 lb in).

3. Install the fuel fill pipe bracket bolt.

Tighten: Tighten the bolt to 12 N.m (106 lb in).

4. Connect the rear axle vent and air spring compressor hoses to the retainer on the fuel fill pipe, if

applicable.

5. Install the left rear wheelhouse panel. Refer to Wheelhouse Panel Replacement in Body Rear End.

6. Lower the vehicle.

7. Install fill pipe/housing bezel by fitting into offset slots and rotating clockwise.

8. Install the fuel fill pipe housing to the fuel fill pipe bolts.

Tighten: Tighten the fuel fill pipe housing to fuel fill pipe bolts to 2.3 N.m (20 lb in).

2004 Hummer H2

2004 ENGINE PERFORMANCE Engine Controls (Introduction) - 4.8L, 5.3L, and 6.0L - Hummer H2

Fig. 94: Fuel Filler Cap
Courtesy of GENERAL MOTORS CORP.

9. Refill the fuel system.

10. Install the fuel filler cap.

FUEL SENDER ASSEMBLY REPLACEMENT

Tools Required

J 44402 Fuel Tank Sending Unit Wrench

Removal Procedure

2004 Hummer H2

2004 ENGINE PERFORMANCE Engine Controls (Introduction) - 4.8L, 5.3L, and 6.0L - Hummer H2