Removing the heating and air conditioning unit
Prepare the car, open the hood and disconnect the negative battery terminal.
Drain the coolant, according to the article - "Replacing the coolant".
Release the refrigerant for cars with an air conditioning system, in accordance with the requirements of the equipment manual.
Disconnect the inlet and outlet pipes of the heating system from the heater radiator and the air conditioning system piping unit from the evaporator, as described in the article - "Removing the instrument panel module".
Remove the instrument panel frame in accordance with the article - "Removing the instrument panel frame".
Using a 13 mm wrench, unscrew bolts 2, Figure 1, securing crossbar 1 of the instrument panel to the body.
Using a 10 mm socket, unscrew bolts 2, Figure 2, securing block 3 of the heating, ventilation and air conditioning system to crossmember 1.
Using a Torx 20 head, unscrew screws 2 and 3, Figure 3, securing the left 1 and right 4 footwell heating ducts, and remove the ducts.
Using a Torx 20 head, unscrew the screws 1, Figure 4, securing the left 2 and right 4 air ducts of the interior ventilation to the crossbar 3 of the instrument panel, remove the air ducts.
Disconnect the instrument panel wiring harness connectors from the brake light switch, the electronic accelerator pedal, the heater wiring harness, and the antenna cable on the right windshield pillar.
Remove the instrument panel crossbar from the body guide pins and lower it to the floor of the interior.
Disconnect the condensate drain pipe from the housing of the heating, ventilation and air conditioning unit, remove the unit from the vehicle interior.
Install the heating, ventilation and air conditioning unit in the reverse order of removal.
Before connecting air conditioning system pipeline block to the evaporator, install new sealing rings, having previously lubricated them with compressor oil.
Fill the engine cooling system with coolant.
Load the refrigerant in accordance with the equipment instructions, depending on the configuration in the amount of 390±20 g.
Removing the fan of the heating, ventilation and air conditioning system block
The fan of the heating, ventilation and air conditioning system is located in the housing of the ventilation unit of the heating and air conditioning on the right side, on the front passenger side.
Open the lid of the glove compartment, remove the glove compartment light from the mounting hole, disconnect the wiring harness block of the instrument panel from the light.
Using a Torx 20 head, unscrew the five screws securing the glove box, Figure 10, remove the glove box, disconnecting the instrument panel wiring harness block from the glove box lid limit switch.
Disconnect connector 4 of wiring harness 1 from fan 2, figure 5, of heating, ventilation and air conditioning unit 5.
Press lock 3 of the fan and at the same time, turning the fan housing counterclockwise, remove the fan from the housing of the ventilation, heating and air conditioning system unit.
Install the fan of the heating, ventilation and air conditioning system unit in the reverse order of removal, check the operability.
Install the glove compartment.
Removing the speed controller of the fan of the heating, ventilation and air conditioning system
The speed controller of the fan of the heating, ventilation and air conditioning system is located in the housing of the ventilation, heating and air conditioning unit on the left side, on the driver's side.
Remove the frame of the instrument panel.
Disconnect connector 2, figure 6, of the wiring harness from fan speed controller 1.
Press the lock 3, and, moving the controller to the side, remove the controller from the heating, ventilation and air conditioning unit housing.
Install the speed controller in the reverse order of removal.
Removing the interior heating system radiator
The heating system radiator is located in the heating and air conditioning ventilation unit housing on the left side, on the driver's side.
Drain the coolant as described above.
Remove the instrument panel frame as described above.
Remove the air duct 1, figure 7, for heating the driver's feet, using a Torx 20 head, unscrew the two screws 4.
Using a 13 spanner, unscrew the two bolts 5 securing the pillar of the instrument panel cross member to the body floor.
Using the same spanner, unscrew the two nuts 3 securing the pillar of the instrument panel cross member to the cross member, and remove the pillar.
The heater radiator is connected to the supply and outlet pipes by means of a flange connection through a sealing ring, the connection is secured with a spring clip.
Pull back the tab of the bracket stopper 3, Figure 8, fixing the connection and simultaneously move the bracket, removing it from the connection.
Remove the tube from the heater radiator pipe.
Repeat the operation for the second connection.
Using a Torx 20 head, unscrew the two screws 1, Figure 9, securing the cover 2 of the heater radiator 3, remove the cover.
Remove the heater radiator from the housing of the ventilation, heating and air conditioning unit.
Install the radiator in the reverse order of removal.
Before installing the inlet and outlet pipes, install new sealing rings.
Fill the engine cooling system with coolant.
