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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (HVAC - Climate Control System - General Information And Diagnostics -- F250-F550 Super Duty) >> General Procedures >> Heater Hose Coupling >> Disconnect

Heater Hose Coupling: Disconnect

WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
    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.
  1. 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.
    Fig 1: Pushing Heater Hose Inlet Tube Remover Over Coupling Retainer Windows
    G06133234Courtesy of FORD MOTOR CO.
  4. Push the Heater Hose Inlet Tube Remover over the coupling retainer windows to compress the retainer locking tabs.
  5. NOTE: A slight twisting motion while pulling on the heater water hose may be necessary to assist in the removal.
    Fig 2: Pulling Heater Water Hose Away From Heater Core Tube
    G06133235Courtesy of FORD MOTOR CO.
  6. Pull the heater water hose away from the heater core tube.
  7. Plug the heater water hose.
  8. Remove the white coupling retainer from the tube.
  9. Spread the retainer tabs apart and slide the retainer off the tube.
    Fig 3: Spreading Retainer Tabs
    G06133236Courtesy of FORD MOTOR CO.
  10. Discard the retainer.