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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 >> Fuel Hose/Pipes Assembly Replacement (1500 Series - 5.3L (L59) Engine) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
IMPORTANT: Clean all fuel pipe connections and surrounding areas before disconnecting the pipes in order to avoid possible fuel system contamination.
    Fig 1: View Of Fuel Feed, Return & EVAP Pipes, Sending Unit, Rollover Valve & Fuel Tank Clips (1500 Series - 5.3L - L59)
    GM396067Courtesy 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 the fuel feed pipe (4) and return pipe (5) from the sending unit (2). Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
  3. Disconnect the fuel feed pipe (4) and return pipe (5) from the fuel tank clips (6).
  4. Cap the fuel pipes in order to prevent possible fuel system contamination.