Warning: Before removing components, the system must be put into the appropriate mode. This work requires the use of specialized diagnostic equipment. Contact your dealer for help.
Control Panel
40. Set the system to the appropriate mode by contacting your dealer for assistance.
41. Remove the radio unit as described in chapter 12.
42. Remove the four mounting screws and pry with a thin flat screwdriver. remove the front panel cover.
43. Remove the two mounting screws, remove the spring clips and remove the control panel from the center console. On later models, the control panel is fastened with four spring clips and will be removed if it is pushed out through the hole for the radio.
44. Unfasten the air duct to the temperature sensor on top of the control panel.
45. Release the latches, disconnect the multi-pole connectors from the back of the control panel. Remove the block from the car.
46. Installation is the reverse procedure. Pay attention to the following:
- A) Connect the air duct to the air temperature sensor correctly.
- 6) Before installing the control panel, make sure that the spring clips are correctly positioned.
- V) If the control panel is to be replaced, it must be activated using specialized diagnostic equipment. Contact your dealer for help.
Valve drive servomotors (dampers)
47. As described in chapter 11, remove the front panel.
48. Loosen the screws and remove the bezel support brackets from the floor panels above the transmission tunnel.
49. Disconnect from the basis of the case of a radiator of a heater/evaporator the block of the distributor of air.
50. Servo motors are mounted on the side of the heater/evaporator housing and are identified as follows:
- A) Defroster valve (defroster) - yellow wiring connector.
- b) Temperature valve/damper - purple wiring connector.
- V) Central damper/valve - green wiring connector.
51. Disconnect the wiring connector, disconnect the control lever from the motor shaft.
52. Remove the mounting screws and remove the motor from the housing. The defroster valve is secured with a clamp.
53. Installation - reverse procedure. Finally, the system must be activated using specialized equipment. Contact your dealer for help.
Temperature sensors
54. On early models, the interior temperature sensor is built into the center console trim. Removal is described below.
55. Turn away four screws of fastening, then with a small flat screw-driver hook and remove an overlay from the central console.
56. Disconnect the air duct from the rear of the sensor and remove the sensor from the vehicle overlay.
57. The heater fan motor sensor is located behind the front panel of the center console. It can be removed by disconnecting the wiring and removing the mounting screws.
58. Installation - reverse procedure.
59. On later models, additional sensors are installed in individual air ducts leading to the front panel deflector and to the legs. They can be removed by unplugging the wiring, rotating the sensor and removing it from the duct.
Light sensor
60. Carefully remove the cover panel from the central air duct for blowing the windshield.
61. Remove the screw and remove the sensor from the deflector. Disconnect the wiring and tie up the connector so that it does not fall behind the front panel.
62. Installation - reverse procedure.
Vacuum tank
63. Remove the evaporator heater core housing as described above.
64. Disconnect the vacuum hoses from the fittings on the side of the vacuum block. Label them to ensure they are correctly connected during assembly.
65. Turn away screws and disconnect the vacuum reservoir from the case.
66. Installation - reverse procedure.
Vacuum Diaphragm Unit
67. Remove the evaporator heater core housing as described above.
68. Turn away screws of fastening of the block of a vacuum diaphragm.
69. Disconnect the diaphragm block rod from the drive lever.
70. Remove the block from the heater/evaporator body.
71. Installation - reverse procedure. Before connecting to the lever, adjust the length of the diaphragm rod by 50 mm.
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