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Home › Cadillac › 2008 › XLR V › Repair and Diagnosis › Engine Performance › System › Engine Controls And Fuel - 4.4L - Introduction › Repair Instructions › Fuel Tank Replacement - Left Side › Removal Procedure

Removal Procedure

    Fig 1: View Of Fuel Pump Jumper Harness Connector
    GM903484Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Relieve the fuel system pressure. Refer to Fuel Pressure Relief (Without CH 48027)  or Fuel Pressure Relief (With CH 48027) .
  3. Drain the fuel tank. Refer to Fuel Tank Draining .
  4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  5. Remove the left rear tire. Refer to Tire and Wheel Removal and Installation .
  6. Remove the left rear wheelhouse liner panel. Refer to Rear Wheelhouse Liner Panel Replacement .
  7. Remove both mufflers. Refer to Exhaust Muffler Replacement - Left Side and Exhaust Muffler Replacement - Right Side .
  8. Remove the driveline support assembly. Refer to Driveline Support Assembly Replacement .
  9. Disconnect the fuel fill hose and the recirculation line from the fill pipe.
  10. Disconnect the fuel pump jumper harness connector.
    11. Fig 2: Locating Fuel Feed Pipe
    GM903423Courtesy of GENERAL MOTORS CORP.
  11. Disconnect the fuel feed pipe (4) at the rear of the left fuel tank. Refer to Plastic Collar Quick Connect Fitting Service .
  12. Cap the fuel pipes to prevent fuel system contamination.
    13. Fig 3: Fuel Tank Strap Mount, Cover, Screws & Bolts
    GM903428Courtesy of GENERAL MOTORS CORP.
  13. Loosen the fuel tank strap in order to drop the tank approximately one inch.
    14. Fig 4: Locating Air Inlet Hose
    GM903539Courtesy of GENERAL MOTORS CORP.
  14. Disengage the crossover tube connector position assurance (CPA) retainer by pulling the tab (1) outward and rotate.
    15. Fig 5: Locating Crossover Tube Collar
    GM903540Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The crossover tube CPA is released when the latch disengages from the tank connection groove.
  15. Rotate crossover tube collar counterclockwise to disengage.
    16. Fig 6: View Of Crossover Tube To Fuel Tank O-Rings & Alignment Feature
    GM903547Courtesy of GENERAL MOTORS CORP.
  16. Disconnect the crossover tube from the left fuel tank by pulling straight out.
    17. IMPORTANT: Take care not to disturb the internal O-rings in the fuel tank connections.
  17. Disconnect the evaporative emission (EVAP) crossover pipe (2) quick connect fitting at the left fuel tank.
  18. Cap the EVAP pipe to prevent system contamination.
    19. Fig 7: Fuel Tank Strap Mount, Cover, Screws & Bolts
    GM903428Courtesy of GENERAL MOTORS CORP.
  19. Remove the fuel tank strap mount bolts.
  20. Remove the fuel tank strap from the vehicle.
    21. Fig 8: View Of Fuel Tank - Left
    GM903417Courtesy of GENERAL MOTORS CORP.
  21. Remove the fuel tank.
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