Removal (Rear Tank On Dual Tank Models)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Release fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE . Drain as much fuel as possible through fuel filler opening using a hand-operated pump or equivalent. Lower and remove spare wheel/tire. Raise and support vehicle. Remove the rear exhaust insulator. Remove spare tire rear crossmember.
- Loosen the fuel tank fill hose clamp at the front tank. Separate the fill hose from the front tank. Loosen the fuel tank fill pipe hose clamp at the rear tank. Separate the fill pipe hose from the rear tank. Loosen the vent hose clamp at the rear tank. Separate the vent hose from the rear tank. Support rear fuel tank. Remove rear fuel tank strap bolts. See Fig 1. Remove rear fuel tank straps.
- Open the retaining clip and remove the fill hose from the clip. Disconnect the EVAP pipes. See FUEL LINE DISCONNECT FITTINGS . Disconnect the fuel pipe at the fuel sending unit. Cap fuel and EVAP lines to prevent possible fuel system contamination.
- Partially lower the rear tank. Disconnect the fuel tank electrical connectors. Completely lower the fuel tank. Remove the tank from the jack. If necessary, remove the sending unit.