VW Passat repair


+ 1. Ekspluatatsiiya of the car
+ 2. Maintenance
+ 3. Engines
- 4. Cooling system
   4.1. General information
   4.2. Check of tightness of hoses of system of cooling
   4.3. Check of level of cooling liquid
   4.4. Replacement of cooling liquid
   4.5. Washing of system of cooling
   4.6. General control of system of cooling
   - 4.7. Removal and installation of elements of system of cooling
      4.7.1. Radiator
      4.7.2. Thermostat
      4.7.3. Pump of system of cooling
      4.7.4. Fan of system of cooling
      4.7.5. Sensor of turning on of the electrofan
      4.7.6. The sensor of temperature of cooling liquid
      4.7.7. Thermorelay of system of injection of fuel
      4.7.8. Replacement of technological caps
      4.7.9. Heater
      4.7.10. Control unit heater
+ 5. Power supply system
+ 6. Ignition system
+ 7. Coupling
+ 8. Transmission
+ 9. Drive of forward wheels
+ 10. Suspension brackets
+ 11. Steering
+ 12. Brake system
+ 13. Wheels and tires
+ 14. Systems of heating, ventilation and conditioning
+ 15. Electric equipment
+ 16. Body
+ 17. Electric circuits


Repair B3-B4/Passat B3-B4 Volkswagen Passat>> Cooling system>> Removal and installation of elements of system of cooling>> Thermorelay of system of injection of fuel
Rapolozheniye of the thermorelay of system of injection of fuel:
RV and PF engines – the thermorelay is established on the external union of a connecting branch pipe of system of cooling, sideways heads of the block of cylinders. Electric tip of dark blue color;
engines 2Е – it is established on the internal union of a connecting branch pipe of cooling liquid. Electric tip of dark blue color;
RP engines – the sensor of system of preliminary heating of an inlet collector is established on the external union of a connecting branch pipe of cooling liquid, sideways heads of the block of cylinders. Electric tip of the sensor of red color. The thermorelay is established on the internal union of a connecting branch pipe of cooling liquid sideways heads of the block of cylinders. Electric tip of the sensor of dark blue color;
KR engines – it is established on the union of the valve of cold start;
engines 9 A – it is established on the union of the valve of cold start.
Removal and installation of the thermorelay of system of injection of fuel carry out in the following order:
– merge cooling liquid from cooling system;
– disconnect a wire from the negative plug of the storage battery;
– disconnect the electric tip from the sensor;
– take a bracket of a clamp and remove the thermorelay;
– take a sealing ring of round section.
Removal and installation of a connecting branch pipe of cooling liquid carry out in the following order:
– disconnect the electric socket from the sensor;
– disconnect hoses of cooling liquid from a connecting branch pipe;
– unscrew bolts of fastening and remove a connecting branch pipe. Sealing of a connecting branch pipe with a head of the block of cylinders is carried out by a sealing ring of round section.
Installation of the removed elements make in sequence, return to removal.








429b39f6