GM Service Manual Online
For 1990-2009 cars only

Fuel Tank Draining Pickup

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Remove the fuel filler cap.
  3. 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.

  4. Use a hand or air operated pump device in order to drain as much fuel through the fuel filler pipe as possible.