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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 806 (Engine Controls (Introduction) -- 5.7L) >> Repair Instructions >> Evaporative Emission (EVAP) Hoses/Pipes Replacement - Engine (Tank/Tank) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: EVAP Crossover Pipe & Tank Crossover Hose
    GM903412Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  2. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief Procedure .
  3. Drain the fuel tanks below the level of the fuel tank crossover hose. Refer to Fuel Tank Draining Procedure .
  4. For vehicles equipped with automatic transmission, remove the left and right muffler. Refer to Muffler Replacement - Right , and to Muffler Replacement - Left in Engine Exhaust.
  5. Disconnect the tank crossover hose (5) at the right fuel tank and the left fuel tank.
  6. Disconnect the evaporative emission (EVAP) pipe (2) at the right tank EVAP pipe (3) and the left tank EVAP pipe (1).
  7. Remove the rear EVAP pipe (2).
  8. Cap the open pipes in order to prevent possible contamination.