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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 971 (ENGINE CONTROLS - 8.1L (INTRODUCTION))REPAIR INSTRUCTIONSFUEL TANK DRAINING PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Fuel Tank Draining Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Fuel Tank Draining Procedure
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required 

J 45004  Fuel Tank Siphon Hose

CAUTION: Refer to Gasoline/Gasoline Vapors Caution in Cautions and Notices.
  1. Remove the fuel fill cap.
  2. Insert the adapter to the fill pipe in order to hold open the internal fill pipe door.
  3. Insert the J 45004  hose through the adapter and into the tank.
  4. Attach the J 45004  hose to the hose used with the hand or air operated pumping device.
  5. Using the hand or air operated pumping device, drain as much fuel from the tank as possible.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.