Fuel Tank Draining Procedure (5.3L (L59) Engine)

WARNING: This page is about a different variant/trim than selected.

CAUTION: Refer to Gasoline/Gasoline Vapors Caution in Cautions and Notices.

Loosen the fuel fill cap in order to relieve the fuel tank vapor pressure.
Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

Fig 1: View Of Fuel Fill Hose & Components (5.3L (L59) Engine)

Courtesy of GENERAL MOTORS CORP.

Loosen the fuel fill hose clamp (11).
Disconnect the fuel fill hose from the fuel fill pipe.
Remove the flame arrester screen.
Using a hand or air operated pump device, drain as much fuel from the tank as possible.