2005 Cadillac XLRFACTORY OEM SERVICE 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 Disconnect/Connect Procedure in Engine Electrical.
  2. Drain the fuel tank. Refer to Fuel Tank Draining Procedure .
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  4. Remove the left rear tire. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  5. Remove the left rear wheelhouse liner panel. Refer to Wheelhouse Liner Panel Replacement - Rear in Body Rear End.
  6. Remove both mufflers. Refer to Muffler Replacement - Left and Muffler Replacement - Right in Engine Exhaust.
  7. Remove the driveline support assembly. Refer to Driveline Support Assembly Replacement in Propeller Shaft.
  8. Disconnect the fuel fill hose and the recirculation line from the fill pipe.
  9. Disconnect the fuel pump jumper harness connector.
    10. Fig 2: Locating Fuel Feed Pipe
    GM903423Courtesy of GENERAL MOTORS CORP.
  10. Disconnect the fuel feed pipe (4) at the rear of the left fuel tank. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
  11. Cap the fuel pipes to prevent fuel system contamination.
    12. Fig 3: Fuel Tank Strap Mount, Cover, Screws & Bolts
    GM903428Courtesy of GENERAL MOTORS CORP.
  12. Loosen the fuel tank strap in order to drop the tank approximately one inch.
    13. Fig 4: Locating Air Inlet Hose
    GM903539Courtesy of GENERAL MOTORS CORP.
  13. Disengage the crossover tube connector position assurance (CPA) retainer by pulling the tab (1) outward and rotate.
    14. Fig 5: Locating Crossover Tube Collar
    GM903540Courtesy of GENERAL MOTORS CORP.
Factory Service Tools

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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.

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