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Home >> GMC >> 2002 >> C3500 HD 6.5 F, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 6.5L >> Repair Instructions >> Fuel Tank Replacement (Extended Cab Side Tank) >> Removal Procedure

Removal Procedure

CAUTION: Refer to BATTERY DISCONNECT CAUTION .
  1. Disconnect negative battery cables.
  2. Drain the fuel from the tank. Refer to Fuel Tank Draining Procedure .
  3. Raise the vehicle.
  4. Loosen the filler neck hose clamp at the fuel tank and disconnect the fuel tank filler neck from the fuel tank.
    Fig 1: Fuel Tank Filler Neck (Extended Cab Side Tank)
    G01599499Courtesy of GENERAL MOTORS CORP.
  5. Support the fuel tank and remove the tank straps and insulator strips, if equipped.
    Fig 2: Fuel Tank Straps (Extended Cab Side Tank)
    G01599500Courtesy of GENERAL MOTORS CORP.
  6. Lower the fuel tank and shield enough to access the fuel lines and electrical connections on the tank and sender.
    Fig 3: Fuel Tank & Shield (Extended Cab Side Tank)
    G01599501Courtesy of GENERAL MOTORS CORP.
  7. Disconnect the fuel hoses (2) and lines (1). Disconnect the electrical connections at the sender.
  8. Lower the tank and shield fully.
  9. Lift the tank out of the shield and place the tank on the floor.
    Fig 4: Fuel Hoses & Lines (Extended Cab Side Tank)
    G01599502Courtesy of GENERAL MOTORS CORP.
  10. Remove the fuel sender assembly and seal ring, using the J 36608  . Discard the old seal ring. Purge the tank if the tank is being repaired.
    Fig 5: Removing Fuel Sender Assembly & Seal Ring (Extended Cab Side Tank)
    G01599503Courtesy of GENERAL MOTORS CORP.