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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 - Rear Tank) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
IMPORTANT: Clean the evaporative emission (EVAP) line connections and surroundings areas prior to disconnecting the fittings in order to avoid possible EVAP system contamination.
    Fig 1: View Of EVAP Line Assembly At Sending Unit (2500 Series)
    GM1312085Courtesy of GENERAL MOTORS CORP.
  1. Remove the fuel tank. Refer to Fuel Tank Replacement (Single Tank)  or Fuel Tank Replacement (Single Tank w/5.3L (L59) Engine)  or Fuel Tank Replacement (Dual Tanks - Front)  or Fuel Tank Replacement (Dual Tanks - Rear) .
  2. Disconnect and remove the EVAP line (1) assembly from the sending unit and retaining clips. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
  3. Cap the EVAP openings in order to prevent possible EVAP system contamination.
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