Ford Focus Service Manual: Heater Core And Evaporator Core Housing

Removal and Installation

1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Section  100-02.

1. Recover the refrigerant. For additional information, refer to Section  412-00.

1. Drain the engine cooling system. For additional information, refer to Section  303-03.

1. Remove the instrument panel. For additional information, refer to Section  501-12.

1. Release the 2 heater hose clamps and disconnect the 2 heater hoses from the heater core.

1. Disconnect the accelerator pedal electrical connector.

1. Remove the 2 interior heater core and evaporator core housing nuts.
   • To install, tighten to 9 Nm (80 lb-in).

1. Detach the 2 Evaporative Emission (EVAP) canister purge valve heat shield pin-type retainers and remove the shield.

1. Remove the Thermostatic Expansion Valve (TXV) fitting nut and disconnect the fitting.
   • Discard the gasket seals.
   • To install, tighten to 15 Nm (133 lb-in).

1. Remove the 2 exterior heater core and evaporator core housing nuts.
   • To install, tighten to 9 Nm (80 lb-in).

1. Remove the heater core and evaporator core housing.

1. To install, reverse the removal procedure.
   • Install new gasket seals.
   • Lubricate the refrigerant system with the correct amount of clean PAG oil. For additional information, refer to Section  412-00.

1. Fill the engine cooling system. For additional information, refer to Section  303-03.

1. Evacuate, leak test and charge the refrigerant system. For additional information, refer to Section  412-00.