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Heater Hose Coupling: Disconnect

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  1. WARNING: Before disconnecting any heater water hoses, shut OFF the engine and wait until engine is fully cool. Failure to comply with this warning may result in serious injury or burns from hot liquid escaping from the engine cooling system.

    Depressurize the engine cooling system.

  2. Push the heater water hose toward the tube to fully expose the locking tabs.
  3. NOTE: When compressing the white coupling retainer, the Heater Hose Inlet Tube Remover must be perpendicular to and on the highest point of the coupling.

    Push the Heater Hose Inlet Tube Remover over the coupling retainer windows to compress the retainer locking tabs.

    Fig 1: Pushing Heater Hose Inlet Tube Remover Over Coupling Retainer Windows
    G06133234Courtesy of FORD MOTOR CO.
  4. NOTE: A slight twisting motion while pulling on the heater water hose may be necessary to assist in the removal.

    Pull the heater water hose away from the heater core tube.

    Fig 2: Pulling Heater Water Hose Away From Heater Core Tube
    G06133235Courtesy of FORD MOTOR CO.
  5. Plug the heater water hose.
  6. Remove the white coupling retainer from the tube.
  7. Spread the retainer tabs apart and slide the retainer off the tube.
    Fig 3: Sliding Retainer Off Tube
    G06133236Courtesy of FORD MOTOR CO.
  8. Discard the retainer.
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