Removal and installation
1. Disconnect the cable from the negative terminal of the battery.
2. Remove the refrigerant from the system.
3. Remove the glove box.
4. Disconnect the cables from the heater fan unit.
Note: To avoid contamination of the system, immediately install plugs on open ends of tubes.
5. Disconnect the refrigerant circulation pipes.
1 - low pressure line hose,
2 - refrigerant circulation tube.
6. Remove the air conditioner unit.
7. Install in the reverse order of removal.
8. After installation, check the efficiency of the refrigerant circulation system.
Installation Note
If a new air conditioning unit is being installed (evaporator), then add 40 ml of R046HS compressor oil to the cooling line.
Disassembly and assembly
Disassemble the air conditioner unit in the sequence of numbers indicated in the figure "Disassembling and assembling the air conditioner unit".
Disassembly and assembly of the air conditioner unit.
1 - air conditioner unit housing (upper),
2 - air conditioner unit housing (lower),
3 - air temperature sensor behind the evaporator,
4 - evaporator,
5 - expansion valve,
6 - high pressure line tube.
Note: Installation is carried out in the reverse order of removal.
Note on installing the expansion tube
1. Replace the O-rings.
Note: Before installing the O-rings, lubricate them with compressor oil.
2. Using two wrenches, tighten the threaded connections to the specified torque.
3. Install the expansion tube as shown in the figure.
Note on installing the air temperature sensor behind the evaporator
Install the air temperature sensor behind the evaporator as shown in the figure.
Checking the evaporator
1. Check the evaporator for damage and compressor oil leaks.
Based on website data MAZBOOK.RU
If damage or leaks are found, replace the evaporator.
2. Check the evaporator heat exchange plates for any bent areas. If bent plates are found, straighten them using a slotted screwdriver.