Ford Fusion Manuals

Ford Fusion: Climate Control System - General Information / Heater Core Leak Check - Vehicles With: R1234YF Refrigerant. General Procedures

Ford Fusion 2013–2020 Service Manual / Electrical / Climate Control System / Climate Control System - General Information / Heater Core Leak Check - Vehicles With: R1234YF Refrigerant. General Procedures

Inspection

  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.
Ford Fusion. Heater Core Leak Check - Vehicles With: R1234YF Refrigerant. General Procedures
  1. Attach the pump and gauge assembly from the Pressure Test Kit to the adapter.
    • 014-R1072 Radiator Pressure Test Set
Ford Fusion. Heater Core Leak Check - Vehicles With: R1234YF Refrigerant. 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.

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    Refrigerant Identification Testing - Vehicles With: R1234YF Refrigerant. General Procedures

    Special Tool(s) / General Equipment Refrigerant Identification Equipment 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...

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    Ford Fusion 2013–2020 Service Manual: Parking Brake Switch. Removal and Installation


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    Ford Fusion 2013–2020 Service Manual: Engine Cooling System Health and Safety Precautions. Description and Operation


      WARNING: Always allow the engine to cool before opening the cooling system. Do not unscrew the coolant pressure relief cap when the engine is operating or the cooling system is hot. The cooling system is under pressure; steam and hot liquid can come out forcefully when the cap is loosened slightly...

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    Using 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 Fusion. Using Seatbelts During Pregnancy

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