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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1602 (Engine Control System & Fuel System - Hybrid (Hp2) 6.0L (LZ1) - Repair Instructions) >> Repair Instructions >> Fuel Tank Draining

Fuel Tank Draining

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Fuel Fill Hose & Clamp
    GM1852195Courtesy of GENERAL MOTORS CORP.
  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).
  4. Remove the fuel fill hose from the fuel tank.
  5. Remove the flame arrester screen from the tank opening, if required.
  6. Insert the hose from the pump devise into the fuel tank.
  7. Using a hand or air operated pump device, drain as much fuel from the tank as possible.