Ford Escape Manuals

Ford Escape: Climate Control System - General Information / General Procedures - Heater Core Leak Check


  1. NOTE: A coolant leak in the heater hose could follow the heater core tube to the heater core and appear as a leak in the heater core.

    Inspect for evidence of coolant leakage at the heater hose to heater core attachments.
  1. NOTE: Spring-type clamps are installed as original equipment. Installation and overtightening of nonspecified clamps can cause leakage at the heater hose connection and damage the heater core.

    Check the integrity of the heater hose clamps.
  1. Drain the coolant from the cooling system. Refer to Cooling System Draining, Filling, and Bleeding procedure in Group 303.
  1. Disconnect the heater hoses from the heater core.
  1. Install a short piece of heater hose, approximately 101 mm (4 in) long on each heater core tube.
  1. Fill the heater core and heater hoses with water and install the plug (221373) and the adapter (221374) from the Pressure Test Kit. Secure the heater hoses, plug and adapter with hose clamps.
  1. Attach the pump and gauge assembly from the Pressure Test Kit to the adapter.
    • Access the Pressure Test Kit Service Tools.
      Refer to: Climate Control Tools and Equipment (412-00 Climate Control System - General Information, General Procedures).
  1. Close the bleed valve at the base of the gauge. Pump 138 kPa (20 psi) of air pressure into the heater core.
  1. Observe the pressure gauge for a minimum of 3 minutes.
  1. If the pressure drops, check the heater hose connections to the heater core tubes for leaks. If the heater hoses do not leak, replace the heater core. Refer to the appropriate heater core removal and installation procedure in Group 412-00.

    General Procedures - Fluorescent Dye Leak Detection

    Leak detection Review next note for important refrigerant system dye information. NOTE: Fluorescent refrigerant system dye is added to the refrigerant system at the factory to assist in refrigerant system leak diagnosis using a Rotunda-approved UV lamp...

    General Procedures - Refrigerant Identification Testing

    Activation NOTE: Use Refrigerant Identification Equipment to identify gas samples taken directly from the refrigeration system or storage containers prior to recovering or charging the refrigerant system...

    Other information:

    Ford Escape 2020-2024 Service Manual: Removal - Engine

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    Ford Escape 2020-2024 Service Manual: Description and Operation - High Voltage Battery, Mounting and Cables - Plug-In Hybrid Electric Vehicle (PHEV) - Component Location

    Item Description 1 High voltage battery Item Description 1 High voltage battery cable Item Description 1 High voltage battery cover Item Description 1 BECM Item Description 1 High voltage battery junction box Item Description 1 DCDC and SOBDM fuse..


    Adjusting the Seatbelts During Pregnancy

    WARNING: Always ride and drive with your seatback upright and properly fasten your seatbelt. Fit the lap portion of the seatbelt snugly and low across the hips. Position the shoulder portion of the seatbelt across your chest. Pregnant women must follow this practice. See the following figure.

    Ford Escape. Adjusting the Seatbelts During Pregnancy

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