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
      9.10.1. Replacement of elements of the 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






9.10.1. Replacement of elements of the carburetor

ZASLONKA'S EXECUTIVE MECHANISM

Executive mechanism of a zaslonka of the PIERBURG carburetor
And – the carburetor case;
B–draft;
C–case of the executive mechanism;
D–fixing ring;
E–screw

PERFORMANCE ORDER
1. Remove the air filter.
2. Disconnect electric sockets from the executive mechanism.
3. Unscrew the screw and remove a ring of fastening of the executive mechanism (see fig. Executive mechanism of a zaslonka of the PIERBURG carburetor).
4. Disconnect draft from the zaslonka lever, then turn the case of the executive mechanism, take fixing pin and remove the executive mechanism from the carburetor.
5. Installation is made in sequence, return to removal.

EXECUTIVE MECHANISM OF THE BUTTERFLY VALVE

Executive mechanism of the PIERBURG carburetor
And – the case of the executive mechanism;
B–vacuum hose;
C–nut;
D–carburetor case;
E–spring;
F–adjusting screw

PERFORMANCE ORDER
1. Remove the air filter.
2. Disconnect the electric socket and a vacuum hose and lateral face of the executive mechanism.
3. Unscrew three nuts and remove the executive mechanism from the carburetor (see fig. Executive mechanism of the PIERBURG carburetor).
4. Installation is made in sequence, return to removal. Check that the gap between draft of the executive mechanism and the screw on the lever of a butterfly valve should be in limits 1,5 - 2,5 mm.

THE SENSOR OF TEMPERATURE OF COOLING LIQUID

Arrangement of the sensor of temperature of cooling liquid on a head of the block of cylinders
And – the sensor of temperature of cooling liquid;
B–sealing ring;
C–head of the block of cylinders

PERFORMANCE ORDER
1. The sensor of temperature of cooling liquid is established in a forward part of a head of the block of cylinders (see fig. An arrangement of the sensor of temperature of cooling liquid on a head of the block of cylinders).
2. Disconnect from the sensor the electric socket.
3. Check that the engine cold, then for short time unscrew a cover from a broad tank to remove pressure in cooling system.
4. Unscrew the sensor of temperature of cooling liquid and remove a sealing ring.
5. Operability of the sensor температу ры cooling liquid can be checked, heating up it in a vessel with water. For determination of water temperature use the thermometer. Having connected to sensor contacts an ohmmeter, measure resistance of the sensor at various temperatures.
6. Installation of the sensor of temperature of cooling liquid is made in sequence, return to removal.

ELECTRONIC CONTROL DEVICE (ECU)


Prevention

The electronic control device (ECU) has the details sensitive to a static electricity therefore at a detachment of electric sockets from the block (ECU) do not touch by hands or instruments of contacts of the socket as thus it is possible to damage ECU block elements. At work with the ECU block remove from a body a static electricity, having concerned the earthed metal subjects. Disconnect electric sockets from the ECU block only for a while, necessary for repair.


The ECU block is located in a back right part of a motor compartment.

PERFORMANCE ORDER
1. Remove a weight wire from the accumulator.
2. Release brackets and remove an ECU block casing.
3. Compress fixing brackets on the ECU block and take from the block the multicontact electric socket. At extraction of the socket be careful not to damage socket contacts.
4. Unscrew screws and remove the ECU block.
5. Installation is made in sequence, return to removal.