2. Drain the coolant from the cooling system.
3. Remove the toolbar.
4. Remove the heating unit as shown in the figure.
Disassembly and assembly
Disassemble the heater unit in the sequence of numbers indicated in the figure "Disassembling and assembling the heater unit".
Note: Installation is carried out in the reverse order of removal.
Disassembly and assembly of the heater unit.
1 - heater radiator,
2 - air flow mixing flap lever,
3 - air flow mixing flap transfer lever,
4 - air flow mixing flap crank lever No.1,
5 - air flow mixing flap crank lever No.2,
6 - air flow mixing flap axis,
7 - main transmission lever of the air flow direction change flap,
8 - air flow direction change flap crank lever No.1,
9 - air flow direction change flap crank lever No.2,
10 - air flow direction change flap crank lever No.3,
11 - air flow direction change flap crank lever No.4,
12 - additional transfer lever of the air flow direction change flap No.1,
13 - additional transfer lever of the air flow direction change flap No.2,
14,15, 16 - heater unit housing.
Checking the heater radiator
1. Check the heater radiator for damage and coolant leaks.
If damage or leaks are found, replace the heater core.
2. Check the heat exchange plates of the heater radiator for any bent areas.
If any bent plates are found, straighten them using a slotted screwdriver.