Mercedes W124

since 1985-1995 of release

Repair and car operation



W124 Mercedes
+ Governing bodies and control devices
+ MAINTENANCE
+ 2. Maintenance (diesel engines)
+ ENGINE
+ 4. Repair of 6-cylinder petrol SOHC engines
+ 5. Repair of 6-cylinder petrol DOHC engines
+ 6. Repair of the diesel engine established in the car
+ 7. Major maintenance of engines
+ COOLING SYSTEM
- FUEL SYSTEM
   9.2. General information
   9.3. The air filter and a filtering element
   9.4. The block of adjustment of temperature of air arriving in the engine
   9.5. Fuel pump
   9.6. Fuel level sensor
   9.7. Fuel tank
   9.8. Accelerator cable
   + 9.9. STROMBERG 175 CDT carburetor
   + 9.10. PIERBURG 2E-E carburetor
   9.11. Removal and carburetor installation
   9.12. Inlet collector
   9.13. Heater of an inlet collector
+ 10. System of injection of BOSCH CIS-E fuel (KE-JETRONIC)
+ 11. System of injection of BOSCH HFM fuel
+ 12. Fuel system of diesel engines
+ 13. Fuel system of diesel engines
+ SYSTEMS OF START, IGNITION
+ 15. System of ignition of 4-cylinder petrol engines
+ 16. System of ignition of four-cylinder petrol engines
+ PRESTARTING HEATING
+ TRANSMISSION
+ 19. Mechanical transmission
+ 20. Automatic transmission
+ POWER SHAFTS
+ BRAKE SYSTEM
+ SUSPENSION BRACKET
+ BODY
+ ELECTRIC EQUIPMENT
+ CHECK OF MALFUNCTIONS






9.4. The block of adjustment of temperature of air arriving in the engine

Check

The block of adjustment of temperature of air arriving in the engine (in the provision of start of the cold engine)
1–thermostat;
2–draft;
3–spring;
4–additional spring;
5–zaslonka;
6–air filter;
7–suited supply of cold air;

8–suited supply of warmed-up air;
9–air compensatory channel of the thermostat;
And – supply of fresh cold air;
In – supply of warmed-up air from a final collector

PERFORMANCE ORDER
1. Remove from a casing of the air filter of a pipe of supply of air in the engine.
2. Unscrew screws and take from a casing of the air filter the block of adjustment of the air temperature, arriving in the engine. From the bottom party of the block disconnect a branch pipe of supply of warmed-up air (see drawing).
3. Using the hair dryer, direct a stream of warm air on the thermostat in a back part of the block of adjustment of temperature and watch a zaslonka through openings on the forward party of a casing. After thermostat warming up to temperature 30 ° About the thermostat through draft will move a zaslonka and will close receipt in the engine of warmed-up air. Otherwise replace the thermostat.

Thermostat replacement

PERFORMANCE ORDER
1. Remove a casing from the block of temperature arriving in the engine of air and, being careful, remove the thermostat and disconnect it from draft. At installation of the new thermostat move draft with a spring to a casing, then insert the thermostat then release draft and check that it was correctly combined from the working end of the thermostat.
2. Establish a casing of adjustment of temperature of air arriving in the engine in sequence, return to removal then connect pipes of supply of air in the engine.