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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 451 (Engine Controls - Removal & Installation) >> Fuel Systems >> Fuel Line Replacement >> Removal Procedure (4.8L, 5.3L & 6.0L)

Removal Procedure (4.8L, 5.3L & 6.0L)

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IMPORTANT: Clean all fuel pipe connections and surrounding areas before disconnecting the pipes in order to avoid possible fuel system contamination.
Fig 1: Identifying Fuel Feed and Return Pipes, EVAP Cannister Purge Tube and Fuel Pipe Bracket Nut
G00569254Courtesy of GENERAL MOTORS CORP.
  1. Relieve the fuel system pressure. Refer to FUEL SYSTEM PRESSURE RELEASE .
  2. Disconnect the fuel feed and return pipes (1) at the fuel rail. Refer to REMOVAL & Installation (Plastic Collar) .
  3. Disconnect the evaporative emission (EVAP) canister purge tube (3).
  4. Cap the fuel rail and EVAP pipes.
  5. Raise and suitably support the vehicle.
  6. Unbolt and reposition the front propeller shaft. Refer to PROPELLER SHAFT REPLACEMENT -- FRONT .
  7. Remove the fuel pipe bracket nut (2).
  8. Remove the fuel pipe bracket from the bellhousing stud.
    9. Fig 2: Identifying Fuel Hose/Pipe Clip Bracket on Transmission
    G00569255Courtesy of GENERAL MOTORS CORP.
  9. Remove the fuel hose/pipe clip from the bracket on the automatic transmission.
    10. Fig 3: Identifying Fuel Hose/Pipe Clip Bracket on Transfer Case
    G00569256Courtesy 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: Identifying Fuel Filter Bracket Bolts and Fuel Pipe/Hose Bracket Bolt
    G00569257Courtesy of GENERAL MOTORS CORP.
  11. Remove the EVAP canister. Refer to Evaporative Emission Canister Replacement.
  12. Remove the fuel filter bracket bolts (2).
  13. Remove the fuel pipe/hose bracket (1) bolt.
    14. Fig 5: Identifying Fuel Feed and Return Pipes and Fuel Tank Pipes
    G00569258Courtesy of GENERAL MOTORS CORP.
  14. Disconnect the fuel feed and return pipes (4) from the fuel tank pipes (3). Refer to REMOVAL & Installation (Plastic Collar) .
  15. Cap the fuel pipes at the fuel tank.
    16. Fig 6: Removing/Installing Fuel Hose/Pipe Clips
    G00569259Courtesy 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 fuel pipe/hose assembly.
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