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Home >> GMC >> 2001 >> C3500 HD 6.5 F, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 6.5L (L65) (Introduction) >> Repair Instructions >> Fuel Sender Assembly Replacement >> Removal Procedure
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Removal Procedure

  1. Remove the fuel tank filler cap.
  2. CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.
  3. Disconnect the negative battery cables.
  4. Raise the vehicle on a hoist. Refer to Lifting And Jacking The Vehicle in General Information.
  5. Remove the fuel tank. Refer to Fuel Tank Replacement (Extended Cab Side Tank)  or Fuel Tank Replacement (Cab and Chassis Rear Tank)  or Fuel Tank Replacement (Cab and Chassis Side Tank) .
  6. Fig 1: Fuel Sender Unit Cam Lock
    GM17406Courtesy of GENERAL MOTORS CORP.
  7. Remove the sender unit by turning the cam lock counterclockwise using the J 36608  fuel sender tool. See Special Tools .
  8. Fig 2: Fuel Sender Assembly & Seal Ring
    GM17407Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Do not damage the rubber insulator or the strainer.
  9. Remove the sending unit by pulling up.
  10. Inspect the attaching hose for signs of deterioration.
  11. Inspect the strainer.