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HOMESERVICE MANUALSCHEVROLET2001SUBURBAN C1500REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 4 (ENGINE CONTROLS - 8.1L - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSFUEL LINE REPLACEMENT - CHASSIS (CAB/CHASSIS FRONT TANK)REMOVAL PROCEDURE
2001 Chevrolet Suburban C1500

Removal Procedure

2001 Chevrolet Suburban C1500SECTION Removal Procedure
WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Rear Of Engine Fuel Pipe Connections
    GM300360Courtesy of GENERAL MOTORS COMPANY
  1. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief .
  2. Clean all the fuel pipe connections and the surrounding areas before disconnecting the pipes in order to avoid possible contamination of the fuel system.
  3. Disconnect the fuel feed and return pipes (1, 2) from the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
  4. Cap the fuel rail pipes.
  5. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  6. Remove the fuel pipes from the bellhousing stud clip (4).
  7. Remove the fuel pipes from the transmission bracket clip.
    8. Fig 2: View Of Fuel Feed/Return Pipe & EVAP Pipe Clip
    GM300385Courtesy of GENERAL MOTORS COMPANY
  8. Remove the fuel pipes from the transfer case bracket clip for the 4-wheel drive only.
  9. Remove the fuel tank. Refer to Fuel Tank Replacement (Cab/Chassis Front) .
    10. Fig 3: In Line Fuel Filter And Fuel Pipes
    GM668203Courtesy of GENERAL MOTORS COMPANY
  10. Note the position of the fuel pipes for aid in installation.
  11. Disconnect the fuel feed pipe from the fuel filter (1).
  12. Remove the fuel pipes (2) from the retaining clips.
  13. Remove the fuel pipes.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.