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
+ 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
   13.2. General information
   13.3. Catching system паров fuels
   13.4. System of ventilation of a case
   13.5. Final collector
   13.6. System of repeated burning of exhaust gases (EGR)
   13.7. Turbonagnetatel
   13.8. Exhaust system
   13.9. Katalichesky converter
+ 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






13.6. System of repeated burning of exhaust gases (EGR)

GENERAL INFORMATION

For repeated burning of exhaust gases there are some updatings of this system. Updating of system which is established on each concrete car, depends from a year of release, such as the engine and the country for which this car is intended.

Due to a variety of the systems of repeated burning of exhaust gases established on the car information on elements further is presented, to the general for all systems.

VACUUM VALVE

Removal

PERFORMANCE ORDER
1. The valve is located on the right side of a motor compartment.
2. Check that ignition is switched off and disconnect the electric socket from the valve.
3. Mark and disconnect vacuum hoses from the valve.
4. Unscrew screws of fastening and take the vacuum valve from a motor compartment.

Installation

PERFORMANCE ORDER
1. Installation is made in sequence, return to removal. Check correctness of connection of vacuum hoses.

EGR VALVE

Removal

PERFORMANCE ORDER
1. Removal of the EGR valve make on the cold engine.
2. Remove a vacuum hose from the top part of the EGR valve.
3. At existence unscrew nuts and lift the receiver retsirkulyatsiya from an EGR valve flange. Remove laying.
4. Unscrew nuts and remove the EGR valve from a final collector.

Installation

PERFORMANCE ORDER
1. Installation is made in sequence, return to removal.