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


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Repair B3-B4/Passat B3-B4 Volkswagen Passat>> Cooling system>> Removal and installation of elements of system of cooling>> The sensor of temperature of cooling liquid
Arrangement of sensors of temperature of cooling liquid:
on SOHC engines the sensor is established in a final branch pipe of cooling liquid, on the left side of a head of the block of cylinders;
on RV, PF engines and 2Е the sensor is established on a connecting branch pipe;
on RP engines from a reverse side of a connecting branch pipe;

Fig. 4.7. Pump of system of cooling of the DOHC engine: 1–bolt; 2–generator arm; 3–pulley; 4–bolt; 5–pump of system of cooling; 6–sealing ring; 7–top hose of a radiator; 8–connector; 9–a hose from a heater; 10-a hose to a heater; 11-a hose to a broad tank; 12-the sensor of temperature of cooling liquid; 13-sealing ring; 14-pipe; 15-oil heat exchanger; 16-bottom hose of a radiator; 17-laying; 18-thermostat


on DOHC engines the sensor is established in a final branch pipe (see fig. 4.7 ), on a back surface of a head of the block of cylinders;
on all models electric socket of the sensor of black color.
Removal and installation of the sensor of temperature of cooling liquid carry out in the following order:
– partially merge cooling liquid from cooling system;
disconnect a wire from the negative plug of the storage battery;
– remove the electric tip;
– remove fixing bracket and get the sensor of temperature of cooling liquid from a branch pipe;
– take from a branch pipe a sealing ring of round section;
– at assembly establish a new sealing ring.
Installation of the removed elements make in sequence, return to removal.