2004 Cadillac Escalade EXTFACTORY OEM SERVICE PROCEDURE

Removal Procedure

    Fig 1: View Of Fuel Pump Electrical Connector (5.3L (L59) Engine)
    GM1559336Courtesy of GENERAL MOTORS CORP.
  1. Remove the sending unit. Refer to Fuel Sender Assembly Replacement (4.8L and 5.3L Engines)  or Fuel Sender Assembly Replacement (5.3L (L59) Engine)  or Fuel Sender Assembly Replacement (6.0L Engine - Dual Tanks - Front)  or Fuel Sender Assembly Replacement (6.0L Engine - Dual Tanks - Rear) .
  2. Disconnect the fuel pump electrical connector.
  3. Cut the existing fuel level sensor wiring.
    4. Fig 2: Removing Fuel Level Sensor (5.3L (L59) Engine)
    GM1559338Courtesy of GENERAL MOTORS CORP.
  4. Squeeze the locking tabs together to remove the fuel level sensor from the fuel sender assembly.
    5. Fig 3: Removing Wiring Harness From Fuel Sender Assembly (5.3L (L59) Engine)
    GM1559341Courtesy of GENERAL MOTORS CORP.
  5. Using a screwdriver to release the locking tabs, remove the wiring harness from the fuel sender assembly.
Chapter Navigation
Return to Chapter: Fuel Level Sensor Replacement (5.3L (L59) Engine)
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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.