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 + 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 22.2. General information 22.3. Pumping of hydraulic brake system 22.4. Brake pipelines and hoses + 22.5. Replacement of forward brake shoes 22.6. Replacement of back brake shoes 22.7. Forward brake disk 22.8. Back brake disk 22.9. Forward brake support + 22.10. Support repair 22.11. Back brake support 22.12. Main brake cylinder 22.13. Vacuum amplifier of brakes 22.14. Unilateral valve of the vacuum amplifier of brakes 22.15. Adjustment of the parking brake 22.16. Brake shoes of the parking brake 22.17. Pedal of the parking brake 22.18. Cables of the parking brake 22.19. Stoplight switch 22.20. Anti-blocking system (ABS) - 22.21. Elements of anti-blocking system 22.21.1.2. Electronic control device (ECU) 22.21.1.3. Sensor of a forward wheel 22.21.1.4. Sensor of a back wheel 22.21.1.5. Gear rotor of sensors of wheels 22.21.1.6. Relay 22.21.2. Models with a control system of speed of movement of the car (ASR) 22.21.2.2 ASR system pump 22.21.2.3 Pressure accumulator 22.21.2.4 Electronic control device (ECU) 22.21.2.5 Sensor of a forward wheel 22.21.2.6 Sensor of a back wheel 22.21.2.7 Gear rotor of sensors of wheels 22.21.2.8 Relay 22.22. The vacuum pump on models with diesel engines + SUSPENSION BRACKET + BODY + ELECTRIC EQUIPMENT + CHECK OF MALFUNCTIONS
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PROTECTION RELAY
Removal
PERFORMANCE ORDER |
1. The relay of protection is located near the electronic control device (ECU). Before removal of the relay check that ignition is switched off. |
2. Unscrew the fastening screw, extend the relay from a nest and take it from a motor compartment. |
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Installation
PERFORMANCE ORDER |
1. Check a condition of connecting contacts of the relay of protection on the relay and in a nest of installation of the relay. |
2. Installation is made in sequence, return to removal. |
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RELAY OF ANTI-BLOCKING SYSTEM
Removal
Unscrewing of the screw, the relay fixing a cover on the hydraulic device
Removal of a cover of the relay from the hydraulic device
Arrangement of the relay of the electromagnetic valve (1) and relay of the returnable pump (2) of anti-blocking system of brakes
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