Fuel Tank Draining for Chevrolet Chevy K Silverado - 4WD 2003

1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
2. Remove the fuel fill cap.

Caution: Gasoline or gasoline vapors are highly flammable. A fire could occur if an ignition source is present. Never drain or store gasoline or diesel fuel in an open container, due to the possibility of fire or explosion. Have a dry chemical (Class B) fire extinguisher nearby.

3. Use a hand or air operated pumping device in order to drain as much fuel out of the tank, through the fuel fill pipe as possible.