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>> Heater
Removal and installation of a heater carry out in the following order:
– merge cooling liquid from cooling system;
– disconnect a wire from the negative plug of the storage battery;

Fig. 3.69. Block of cylinders: 1–block of cylinders; 2–plate; 3–laying of a back cover of a cranked shaft; 4–back cover of a cranked shaft; 5–back epiploon of a cranked shaft; 6–tube masloizmeritelny щупа; 7–spray; 8–maslootrazhatelny plate; 9–oil pallet; 10-bolts of fastening of the oil pallet; 11-forward cover of a cranked shaft; 12-forward cuff of a cranked shaft; 13-laying; 14-cap; 15-plate; 16-plate; 17-protective plate


– release fastening brackets, disconnect submitting and returnable hoses from unions of a radiator 2 (see fig. 3.69 ) a heater on a partition from a motor compartment;
– remove a steering wheel;
– remove the dashboard and the central panel.
Note connections of electric wires and distribution of plaits and disconnect them in the following sequence:
– central console;
– the lower part of furnish of the dashboard from the right and left side;
– radio receiver;
– the heater panel, thus cables of management leave attached to the dashboard and a heater;
– ware box;
– right and left air lines;
– dashboard;
– remove the panel from a reverse side of the engine of the fan of a heater;
– unscrew two nuts of fastening of the block of a heater on a partition from a motor compartment;

Fig. 4.8. Heater details: 1–consolidation;
2–heater radiator; 3–case; 4–fastening bracket; 5–main zaslonka; 6–main air line; 7–resistors; 8–fan; 9–control lever of the main zaslonka; 10-casing; 11-an air line for supply of air in feet; 12-control lever of a zaslonka of air temperature; 13-pin;
14-control lever of an average zaslonka


– take the block of a heater and disconnect an air line 6 (fig. 4.8) connecting a heater and the fan 8;
– take a radiator 2 of the heater block;

Fig. 4.9. Arrangement of cables of management of a heater: 1–fan cable; 2–cable of adjustment of temperature; 3–top cable of distribution of a stream of air; 4–bottom cable of distribution of a stream of air


– disconnect cables (fig. 4.9) of management of a heater, having noted their arrangement and connection to levers of switches;
– release brackets, unscrew screws and disunite the heater case.
Installation of the removed elements make in sequence, return to removal.








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