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
   8.2. General information
   8.3. Hoses of system of cooling
   8.4. Radiator
   8.5. Thermostat
   + 8.6. Radiator fan
   8.7. Electric sensors
   + 8.8. Water pump
   8.9. Heating and ventilation system
   - 8.10. Elements of system of heating
      8.10.2. Heater radiator
      8.10.3. Control panel heater
      8.10.4. Engine of the fan of a heater
      8.10.5. Internal sensor of temperature
      8.10.6. Sensors of temperature of a radiator of a heater
      8.10.7. Switch of distribution of air and cable
      8.10.8. Regulator of size of an air stream
   8.11. Air central air
+ FUEL SYSTEM
+ 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






8.10.2. Heater radiator

Removal on models with Behr heater

Removal of the top casing of a totpitel

Arrangement of screws of fastening of pipes to a heater radiator

PERFORMANCE ORDER
1. On models till May, 1990 merge cooling liquid from cooling system.
2. Remove the dashboard.
3. Remove a weight wire from the accumulator.
4. Working in a motor compartment, weaken collars and remove submitting and two returnable hoses of cooling liquid of a radiator of a heater.
Prevention

For removal of cooling liquid from a radiator of a heater submit air under low pressure through one of hoses of supply of cooling liquid to a heater radiator.


5. On models since May, 1990 remove a heater from the car.
6. Release brackets, unscrew screws and remove the top casing of a heater (see fig. Removal of the top casing of a totpitel).
7. Remove clips from pipes of giving and return of cooling liquid.
8. Unscrew screws and remove submitting and returnable pipes from a heater radiator (see fig. An arrangement of screws of fastening of pipes to a heater radiator). Remove sealing rings of round section.
Prevention

On models since May, 1990 the third connection is located in the lower part of a radiator of a heater and can be disconnected only after extraction of a radiator of a heater from the heater block.


9. Unscrew screws and take a heater radiator from the heater block.
10. Clear a casing of a radiator of a heater and wipe the remains of cooling liquid which, probably, filtered from an old radiator of a heater.

Removal on models with Valeo heater

PERFORMANCE ORDER
1. Remove a heater.
2. Unscrew screws and disconnect submitting and returnable pipes from lateral face of a heater.
3. Unscrew screws and remove the panel on the left side of a heater.
4. Remove a management cable from the lever of the main folding shutter on the left bottom side of a heater.
5. Remove brackets, unscrew screws and divide forward and back half of a casing of a heater.
6. Unscrew screws and disconnect submitting and returnable pipes from a heater radiator. Remove sealing rings of round section.
7. Take a heater radiator from a casing.
8. Clear a casing of a radiator of a heater and wipe traces of cooling liquid which, probably, could get from an old radiator of a heater.

Installation

PERFORMANCE ORDER
1. Installation is made in sequence, return to removal taking into account the next moments.
2. Establish new sealing rings on connections of submitting and returnable pipes to a heater radiator.
3. Fill in cooling liquid in cooling system.