Fuel Tank Draining Procedure

Tools Required

J 36850 Transjel Lubricant. See Special Tools .
J 42960-2 Fuel Flapper Door Holder. See Special Tools .
J 45004 Fuel Drain Hose. See Special Tools .

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

CAUTION: Never drain or store fuel in an open container. Always use an approved fuel storage container in order to reduce the chance of fire or explosion.

CAUTION: Place a dry chemical (Class B) fire extinguisher nearby before performing any on-vehicle service procedures. Failure to follow these precautions may result in personal injury.

Remove the fuel filler cap.

Fig 1: Draining Fuel Tank

Courtesy of GENERAL MOTORS CORP.

Install the J 42960-2 into the fuel fill pipe in order to hold the door open. See Special Tools .

IMPORTANT: Lubricate the fuel drain hose with J 36850 or equivalent to aid in hose insertion and removal. See Special Tools . Do not use an unapproved lubricant.

Insert the J 45004 into the fuel tank until the hose reaches the bottom of the fuel tank. See Special Tools .
Use an air operated pump device in order to drain the fuel into an approved gasoline container.
Up to 26 liters (7 gallons) of residual fuel may remain in the secondary side of the fuel tank.
Simultaneously twist and pull in order to remove the J 45004 from the fuel tank. See Special Tools .