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Home >> Hummer >> 2007 >> H3 Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 29 (Engine Control System - 3.5L (L52) - Introduction) >> Repair Instructions >> Fuel Tank Draining Procedure

Fuel Tank Draining Procedure

WARNING: This page is about a different car, the 2005 GMC Canyon and 2005 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required 

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.
  1. Remove the fuel filler cap.
  2. Fig 1: Draining Fuel Tank
    GM387061Courtesy of GENERAL MOTORS CORP.
  3. Install the J 42960-2  into the fuel fill pipe in order to hold the door open.
  4. IMPORTANT: Lubricate the fuel drain hose with J 36850  or equivalent to aid in hose insertion and removal. Do not use an unapproved lubricant.
  5. Insert the J 45004  into the fuel tank until the hose reaches the bottom of the fuel tank.
  6. Use an air operated pump device in order to drain the fuel into an approved gasoline container.
  7. Simultaneously twist and pull in order to remove the J 45004  from the fuel tank.