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Home >> Cadillac >> 2009 >> XLR Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.6L (LH2) - Introduction, Specifications & Repair Instructions >> Repair Instructions >> Fuel Level Sensor Replacement - Left Side >> Installation Procedure
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Installation Procedure

    Fig 1: Identifying Fuel Level Sensor
    GM1767514Courtesy of GENERAL MOTORS CORP.
  1. Install the level sensor wires to the internal connector in the proper location. Refer to Delphi Connectors (Weather Pack) or Delphi Connectors (Push To Seat) or Delphi Connectors (Pull To Seat) or Delphi Connectors (Micro-Pack 100W) or Delphi Connectors (Micro .64) or Delphi Connectors (12-Way) .
  2. Install the new level sensor (1) into the module by sliding it down until the lock tab clicks.
  3. Ensure that the wires are in the slot below the sensor and the sensor is installed properly.
  4. Fig 2: Identifying Fuel Pump Module Components
    GM1767507Courtesy of GENERAL MOTORS CORP.
  5. Install a NEW fuel pump module O-ring (3) to the fuel tank opening.
  6. Install the left fuel tank module (2) to the fuel tank. Refer to Fuel Tank Fuel Pump Module Replacement - Left Side .
  7. Using a digital multi-meter, 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: 

    • Empty tank reading 250 Ω resistance
    • Full tank reading 40 Ω resistance
    • Tech 2 Volts for empty tank reading 2.5 V
    • Tech 2 Volts for full tank reading 0.71 V

  8. Install the left fuel tank. Refer to Fuel Tank Replacement - Left Side .