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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Control System - 4.8L, 5.3L & 6.0L (Introduction)) >> Repair Instructions >> Evaporative Emission (EVAP) System Hoses/Pipes Replacement (2500 Series - Intermediate) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
IMPORTANT: Clean the evaporative emission (EVAP) and fuel line connections and surrounding areas prior to disconnecting the fittings in order to avoid possible fuel/EVAP system contamination.
    Fig 1: View Of Sending Unit Electrical Connector
    GM1238175Courtesy of GENERAL MOTORS CORP.
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure .
  2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Disconnect the fuel pressure sensor electrical connector (1).
    4. Fig 2: View Of Fuel & EVAP Intermediate Lines At Fuel Tank
    GM1224396Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the fuel feed line from the front and rear tank lines. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
  5. Disconnect the EVAP lines from the front and rear tank lines. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
  6. Remove the hose assembly.
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