2005 Cadillac XLRFACTORY OEM SERVICE PROCEDURE

Installation Procedure

  1. Inspect the jet line insert for damage and replace if necessary.
  2. Install the jet line insert through the crossover tube to the fuel tank opening.
    3. Fig 1: View Of Fuel Tank Module - Right
    GM904462Courtesy of GENERAL MOTORS CORP.
  3. Install a new fuel pump module O-ring to the fuel tank opening.
    4. IMPORTANT: Pull on each connector to ensure that the connectors are properly latched.
  4. Pull the jet line quick-connectors up through the pump module opening, connecting the lines to the pump module as previously noted.
  5. Install the pump module into the fuel tank, ensuring not to damage the float arm.
  6. Compress and align the fuel pump module while installing the lock ring.
  7. Using the J39765-A , fully lock the fuel pump module lock ring in place.
  8. Using a DMM, verify the full and empty readings resistance reading of the fuel pump module. Turn the fuel tank upside down to achieve the full tank reading.

    Resistance:Β 

    • Empty 40 Ξ© resistance
    • Full 250 Ξ© resistance

    9. IMPORTANT: Pull the jet line insert connector to ensure that the insert is properly attached.
  9. Connect the jet line insert connector into the crossover tube to fuel tank opening.
    10. Fig 2: View Of FTP Sensor, EVAP Purge Line & Fuel Pump Module Harness Connector
    GM904389Courtesy of GENERAL MOTORS CORP.
  10. If replacing the fuel pump module, install the FTP sensor (2). Refer to Fuel Tank Pressure Sensor ReplacementΒ .
  11. Connect the FTP sensor harness connector (1).
  12. Connect the fuel pump module harness connector (5).
  13. Connect the EVAP purge line (4) from the fuel pump module.
  14. Install the right fuel tank. Refer to Fuel Tank Replacement - RightΒ .
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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