W220 Mercedes
+ Mercedes-Benz Cars of a class S (W220)
+ Operation manual
+ Routine maintenance
+ Engine
- Cooling and heating systems
+ cooling System
+ Systems of ventilation, heating and air conditioning
+ Power supply system and release
+ engine Electric equipment
+ Automatic transmission
+ Power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ electric equipment Cхемы
Cooling and heating systems
General parameters|
|
Separate characteristics are provided also in the text of Head and in case of obligation of their performance are allocated with a bold print |
| Design | Thermosiphon with the lopastny water pump. Thermostatic adjustment. With a separate broad tank. The fan with an electric drive, joins and switched off by a two-level thermoswitch |
| Cooling liquid | Cмесь of soft water and antifreeze (1:1), at such structure is provided frost resistance to – 35°С |
| Antifreeze |
MB No. Q1 03 0002
|
| Volume of system, l |
12 l
|
| Composition of cooling liquid: | |
| Share of antifreeze in cooling liquid for ensuring frost resistance | |
|
50 %
|
|
55 %
|
| Pressure in system | About 1.2 bar (the exact size is specified on a cover расширительнго a tank). The cover should maintain pressure within two minutes. |
| Thermostat | |
| Valve stroke |
not less than 7 mm
|
|
|
|
82 °
|
|
96 °
|
|
|
|
92 °
|
|
99 °
|
|
|
|
87 °
|
|
102 °
|
| Fan thermoswitch | |
| Inclusion/switching off of the 1st step |
92-97/84-91°C
|
| Inclusion/switching off of the 2nd step |
99-105/91-98°C
|
| Conditioner coolant | |
| Type |
R134a (do not use R12)
|
| Volume, гр. |
± 15
|
| Refrigerator oil | |
| Type |
PAG
|
| Volume, cm 3 |
200
|
| Efforts of a tightening of carving connections, H • m | |
| The moments of an inhaling of fixture are given in the text of Head and on some иллюстрациях*. | |
| *vydelenny in the text a bold print the moments of an inhaling are subject to exact observance; the efforts not allocated with a bold print are given only roughly | |
