GM Service Manual Online
For 1990-2009 cars only

Fuel Tank Draining Single Tank

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.


    Object Number: 1964115  Size: SH
  1. Loosen the fuel fill cap in order to relieve the fuel tank vapor pressure.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Loosen the fuel fill hose clamp (6).
  4. Remove the fuel fill hose from the fuel tank.
  5. Insert the hose from the pump devise into the fuel tank.
  6. Using a hand or air operated pump device, drain as much fuel from the tank as possible.

Fuel Tank Draining Dual Tanks - Front

Tools Required

J 45004 Fuel Tank Siphon Hose

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.


    Object Number: 1704321  Size: SH
  1. Loosen the fuel fill cap in order to relieve the fuel tank vapor pressure.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Loosen the fuel fill hose clamp (1) at the front tank.
  4. Remove the fuel fill hose from the front tank.
  5. Insert the siphon hose from the J 45004 into the fuel tank.
  6. Attach the siphon hose from the J 45004 to the pump devise hose.
  7. Using a hand or air operated pump device, drain as much fuel from the tank as possible.

Fuel Tank Draining Dual Tanks - Rear

Tools Required

J 45004 Fuel Tank Siphon Hose

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.


    Object Number: 853731  Size: SH
  1. Remove the fuel fill cap.
  2. Remove the fuel tank filler housing to body TORX® screws (1) and retainer (2).

  3. Object Number: 300318  Size: SH
  4. Remove the fuel tank filler housing to fuel tank fill pipe screws.
  5. Remove the filler housing.

  6. Object Number: 1704321  Size: SH
  7. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  8. Loosen the fill hose clamp (3) at the rear tank.
  9. Remove the fill hose from the rear tank.
  10. Insert the siphon hose from the J 45004 into the fuel tank.
  11. Attach the siphon hose from the J 45004 to the pump devise.
  12. Using a hand or air operated pump device, drain as much fuel from the tank as possible.