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Home >> Chevrolet >> 2001 >> Suburban C1500 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 4.8L, 5.3L, And 6.0L - Repair Instructions >> Repair Instructions >> Fuel Tank Replacement (Utility Single Tank) >> Installation Procedure

Installation Procedure

    Fig 1: Fuel Feed And Return Pipes
    GM570582Courtesy of GENERAL MOTORS COMPANY
  1. Connect the EVAP pipe to the fuel tank roll over valves (2, 4) and the retaining clips (1).
  2. Install the fuel sender assembly to the fuel tank. Refer to Fuel Sender Assembly Replacement .
  3. Connect the fuel feed and return pipes (3) to the fuel sender and the retaining clips.
  4. Refer to FASTENER NOTICE in Cautions and Notices.

    Install the fuel fill hose and the vent hose to the fuel tank.

    Tighten 

    Tighten the hose clamps to 2.5 N.m (22 lb in).

    5. Fig 2: Fuel Sender And The Fuel Pressure Sensor Electrical Connectors
    GM373155Courtesy of GENERAL MOTORS COMPANY
  5. With the aid of an assistant, support and partially raise the fuel tank front end first.
  6. Connect the fuel sender and the fuel pressure sensor electrical connectors.
  7. Install the fuel sender cover on the Suburban only.
    8. Fig 3: Fuel Tank Strap
    GM570588Courtesy of GENERAL MOTORS COMPANY
  8. Fully raise the fuel tank.
  9. Install the fuel tank straps.
  10. Install the fuel tank strap attaching bolts.

    Tighten 

    Tighten the bolts to 40 N.m (30 lb ft).

    11. Fig 4: View Of Fuel Fill Hose & Components
    GM570590Courtesy of GENERAL MOTORS COMPANY
  11. Connect the fuel fill hose and the vent hose to the pipes.

    Tighten 

    • Tighten the fuel fill hose clamp (2) to 2.5 N.m (22 lb in).
    • Tighten the vent hose clamp (4) to 2.5 N.m (22 lb in).
    12. Fig 5: Vent Valve Pipe
    GM625803Courtesy of GENERAL MOTORS COMPANY
  12. Connect the EVAP vent pipe to the fuel tank clip (5).
    13. Fig 6: Fuel Tank Pipes
    GM569639Courtesy of GENERAL MOTORS COMPANY
  13. Remove the caps from the fuel and EVAP pipes.
  14. Connect the chassis fuel pipes (2) at the fuel tank pipes (1). Refer to Plastic Collar Quick Connect Fitting Service .
  15. Install the EVAP canister. Refer to Evaporative Emission Canister Replacement (Tahoe/Yukon) , Evaporative Emission Canister Replacement (Suburban) .
  16. Lower the vehicle.
  17. Refill the fuel tank.
  18. Install the fuel filler cap.
  19. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Auxiliary Battery) , Battery Negative Cable Disconnection and Connection (Single Battery) in Engine Electrical.
  20. Use the following procedure in order to inspect for leaks:
    1. Turn ON the ignition, with the engine OFF, for 2 seconds.
    2. Turn OFF the ignition for 10 seconds.
    3. Turn ON the ignition, with the engine OFF.
    4. Inspect for fuel leaks.
  21. Install the engine sight shield. Refer to Upper Intake Manifold Sight Shield Replacement (6.0 L w/RPOs Y91 and Z88) , Upper Intake Manifold Sight Shield Replacement (4.8 L, 5.3 L, and 6.0 L) in Engine Mechanical.
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