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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 1 (ENGINE CONTROL SYSTEM - 8.1L - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSFUEL TANK REPLACEMENT (FRONT TANK)REMOVAL PROCEDURE
2006 Chevrolet Suburban C2500, 6.0 U

Removal Procedure

2006 Chevrolet Suburban C2500, 6.0 USECTION Removal Procedure
WARNING: This page is about a different variant/trim than selected.
IMPORTANT: Clean all fuel and evaporative emission (EVAP) line connections and surrounding areas prior to disconnecting the lines in order to avoid possible fuel and/or EVAP system contamination.
    Fig 1: View Of Fuel Fill Hose
    GM1224382Courtesy of GENERAL MOTORS CORP.
  1. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief Procedure .
  2. Drain the fuel tank. Refer to Fuel Tank Draining Procedure (Front Tank)  or Fuel Tank Draining Procedure (Rear Tank) .
  3. Disconnect the EVAP vent line from the fuel tank. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
    4. Fig 2: View Of Vapor Line At Fuel Tank
    GM1372488Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the vapor line (1) from the fuel tank. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
    5. Fig 3: View Of Fuel Feed & EVAP Lines At Fuel Tank
    GM1372476Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the fuel feed and EVAP lines from the fuel tank. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
    6. Fig 4: View Of Fuel & EVAP Intermediate Lines At Fuel Tank
    GM1224396Courtesy of GENERAL MOTORS CORP.
  6. Open the clip on the side of the fuel tank retaining the intermediate lines.
  7. Disconnect the fuel and EVAP intermediate lines from the front tank. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
  8. Cap the fuel and EVAP lines in order to prevent possible fuel/EVAP system contamination.
    9. Fig 5: View Of Fuel Tank Shield (Front Tank)
    GM856641Courtesy of GENERAL MOTORS CORP.
  9. If equipped, remove the fuel tank shield bolts.
  10. If equipped, remove the fuel tank shield.
    11. Fig 6: View Of Fuel Tank & Straps (Front Tank)
    GM1224378Courtesy of GENERAL MOTORS CORP.
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.