Fuel Tank Draining (Dual Tanks - Front)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools

J 45004 Fuel Tank Siphon Hose

Fig 1: Fuel Hoses And Clamp

Courtesy of GENERAL MOTORS CORP.

WARNING:

Refer to Gasoline/Gasoline Vapors Warning .

Loosen the fuel fill cap in order to relieve the fuel tank vapor pressure.
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Loosen the fuel fill hose clamp (1) at the front tank.
Remove the fuel fill hose from the front tank.
Insert the siphon hose from the J 45004 into the fuel tank.
Attach the siphon hose from the J 45004 to the pump devise hose.
Using a hand or air operated pump device, drain as much fuel from the tank as possible.