Mercedes M-Class W163

since 1997 release

Repair and operation of the car



Mercedes W163
+ Mercedes-Benz cars of a class M (W163)
+ Governing bodies and methods of safe operation
+ Current leaving and service
+ Engine
- Cooling systems, heating and air conditioner
   + Engine cooling system
   - Systems of ventilation, heating and air conditioning
      General information and security measures
      Removal and installation of the control panel of functioning of systems of heating/ventilation/air conditioning (for models 163.113/136/154/172/174 on 31.8.01)
      Removal and installation of the saloon filter
      Removal and installation of the fan of the heater/conditioner of air and its resistive assembly
      Removal and installation of the heat exchanger of a heater
      Removal and installation of a step electric motor of the drive of the gate of switching of the modes of air circulation
      Removal and installation of an electric motor of the drive of the mixing gate
      Removal and installation of a casing of the heat exchanger of the heater/evaporator of the conditioner of air
      Bystry check of serviceability of functioning of the air conditioning system
      Removal and installation of auxiliary ventilatory assembly, - model 163.136/154/157/172 of the corresponding complete set
      Removal and installation of the podsasyvayushchy fan of the sensor of temperature of saloon air, - model 163.113/136/154/157/172/174 with 1.9.99 on 31.8.01
      Removal and installation of the sensor of temperature of external air, - except models 163.128
      Removal and installation of the sensor of temperature of the evaporator
      Removal of a casing of the K/V evaporator
      Removal and installation of the K/V evaporator
      Removal and installation of the K/V condenser
      Removal and installation of the broad valve
      Removal and installation of a receiver dehumidifier
      Removal and installation of the module of management To/in (for models 163.113/136/154/172/174 on 31.8.01)
+ A power supply system and production of the fulfilled gases
+ Systems of electric equipment of the engine
+ Manual box of gear shifting
+ Automatic transmission
+ Transmission line
+ Brake and auxiliary systems
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment



Bystry check of serviceability of functioning of the air conditioning system

Bystry check of serviceability of functioning of the air conditioning system (on the example of the series 901 minibus, - check is made for M-class models in a similar manner)

1 — temperature Measuring instrument
2 — the Observation port of a receiver dehumidifier

3 — the Detector of leak of coolant


 PERFORMANCE ORDER

  1. Illustrative material on bystry check of serviceability of functioning of the air conditioning system is presented on an illustration to which all references which are found in the text belong.
  2. Drive the car into a shadow, open all windows.
  3. Transfer the handle of the choice of temperature condition to position of COLD (Cold).
  4. Include the mode of supply of fresh air.
  5. Completely open sections through passage snuffled all air ducts.
  6. Start the engine on single turns.
  7. Include To/in, - turns of the engine have to increase.
  8. Include the maximum high-speed mode of functioning of the fan.
  9. Through an observation port of a receiver dehumidifier (2) make sure of lack of signs of a puzyreniye of coolant.

At primary start of svezhezapravlenny system formation of air bubbles should not cause concerns, - wait about 10 minutes, - bubbles have to disappear.

  1. Attentively study an external condition of all components refrigerator To/in, by means of the special detector check them for existence of signs of development of leaks.
  2. Transfer the fan to the high-speed 1 mode and by means of the special measuring instrument (1) measure temperature of the air which is coming out via the central deflectors of the dashboard. 5 minutes of functioning of system later temperature of the air given to salon has to be in limits of the range of +2 °C of ÷ of +12 °C, and the K/V compressor has to pass into the cyclic mode (vkl-vykl), otherwise it is necessary to check a condition of the sensor switch of temperature of the evaporator.
  3. Switch off the conditioner and kill the engine, - more detailed checks of the K/V system have to be carried out in the conditions of a workshop of car service.