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>> Pump of system of cooling
Removal and installation of the pump of system of cooling carry out in the following order:
– disconnect a wire from the negative plug of the storage battery;
– merge liquid from cooling system;
– remove the generator and a driving belt;
– remove the pump of the amplifier of a steering;

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


– unscrew a pulley 3 (fig. 4.7) from a flange of a drive of the pump of system of cooling and remove a pulley;
– weaken collars and disconnect hoses from unions of the pump of system of cooling;
– unscrew a nut and take the special bolt 4, fixing the bottom cover of a drive to the pump of system of cooling;
– unscrew a bolt of 4 fastenings of the pump of system of cooling;
– remove the pump of system of cooling from the block of cylinders and get a sealing ring 6 round sections;
– unscrew bolts and take the pump of system of cooling from the case;
– remove laying;
– in case of malfunction of the pump, replace it completely;
– clear interfaced surfaces of the pump of system of cooling and the case;
– installation of the removed elements make in sequence, return to removal.