LEMON Manuals: Even more car manuals for everyone
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) Hoses/Pipes Replacement - Chassis (1500 Series - 5.3L (L59) Engine) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
IMPORTANT: Clean the fuel/EVAP pipe connections and surrounding areas before disconnecting the pipes in order to avoid possible fuel/EVAP system contamination.
    Fig 1: View Of EVAP/Fuel Hose/Pipes
    GM856643Courtesy of GENERAL MOTORS CORP.
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure .
  2. Disconnect the fuel feed and return pipes (1) at the fuel rail. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
  3. Disconnect the evaporative emission (EVAP) canister purge tube (3).
  4. Cap the fuel rail and EVAP pipes in order to prevent possible fuel/EVAP system contamination.
  5. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  6. Unbolt and reposition the front propeller shaft. Refer to Propeller Shaft Replacement - Front in Propeller Shaft.
  7. Remove the fuel hose/pipe bracket nut (2).
  8. Remove the fuel hose/pipe bracket from the bellhousing stud.
    9. Fig 2: View Of Fuel Line Clip At Bracket On Automatic Transmission
    GM856646Courtesy of GENERAL MOTORS CORP.
  9. Remove the fuel hose/pipe clip from the bracket on the automatic transmission.
    10. Fig 3: View Of Fuel Hose/Pipe Clip At Bracket On Transfer Case
    GM300385Courtesy of GENERAL MOTORS CORP.
  10. If equipped with 4-wheel drive (4WD), remove the fuel hose/pipe clip from the bracket on the transfer case.
    11. Fig 4: View Of Fuel Filter Bracket Bolt, Fuel Hose/Pipe Bracket Bolt & Integral Locator Tab
    GM855761Courtesy of GENERAL MOTORS CORP.
  11. Remove the EVAP canister. Refer to Evaporative Emission (EVAP) Canister Replacement (1500 Series)  or Evaporative Emission (EVAP) Canister Replacement (1500 Series - 5.3L (L59) Engine)  or Evaporative Emission (EVAP) Canister Replacement (2500 Series) .
  12. Remove the fuel filter bracket bolts (2).
  13. Remove the fuel hose/pipe bracket (1) bolt.
    14. Fig 5: View Of Chassis Fuel Pipe & Fuel Tank Pipe
    GM855745Courtesy of GENERAL MOTORS CORP.
  14. Disconnect the fuel feed and return pipes (4) from the fuel tank pipes (3). Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
  15. Cap the fuel pipes at the fuel tank.
    16. Fig 6: View Of Fuel/EVAP Line Bundle (1500 Series - 5.3L (L59) Engine)
    GM856649Courtesy of GENERAL MOTORS CORP.
  16. Remove the fuel hose/pipe clips from the frame and brace.
  17. Remove the EVAP hose/pipe clips from the brace.
  18. Remove the EVAP/fuel hose/pipe assembly.
scientia non olet · About LEMON Manuals