VW Passat repair


+ 1. Ekspluatatsiiya of the car
+ 2. Maintenance
+ 3. Engines
+ 4. Cooling system
+ 5. Power supply system
+ 6. Ignition system
+ 7. Coupling
- 8. Transmission
   + 8.1. Mechanical transmission
   + 8.2. Automatic transmission
   - 8.3. Distinctive features of transmission of cars with a full drive of Passat Syncro
      8.3.1. Specifications and characteristics
      8.3.2. General information
      8.3.3. Transmission knots
      8.3.4. Check of operability of the obgonny coupling
+ 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>> Transmission>> Distinctive features of transmission of cars with a full drive of Passat Syncro>> Transmission knots
Driveshaft
Removal and installation of the driveshaft carry out in the following order:
work carry out on a viewing ditch or a platform;
remove a forward part of an exhaust system and the thermofilter;

Fig. 8.82. Driveshaft: 1–elastic coupling; 2–protective casing; 3–forward section of the driveshaft; 4–protective casing; 5–hinge; 6–flange; 7–forward intermediate support; 8 — average section of the driveshaft; 9–back intermediate support; 10-flange; 11-hinge; 12-back section of the driveshaft; 13-elastic coupling


unscrew bolts of fastening of a back support 9 (fig. 8.82) of the driveshaft;
note the mutual provision of back and average sections of the driveshaft and unscrew bolts of fastening of back section to the hinge;
unscrew bolts of fastening of back section of the driveshaft to вискомуфте;
having moved forward average section, remove back section of the driveshaft;
having noted mutual situation, weaken bolts of fastening of a forward part of the driveshaft to the elastic coupling and unscrew three bolts of fastening of the coupling to a flange of a transfer case;
unscrew bolts of fastening of a forward support of the driveshaft. Move the driveshaft back and отвернтите bolts of fastening of a shaft to the elastic coupling;
take the driveshaft, moving it in the direction to a back part of the car;
installation make in sequence, return to removal.

Transfer case
Removal of a transfer case carry out in the following order:
perform work on a viewing ditch or a platform;
remove the driveshaft;
disconnect forward power shafts from a transfer case;
unscrew bolts of fastening of an arm of a transfer case to the engine;
unscrew bolts of fastening of a transfer case to a transmission and remove a transfer case.
Dismantling of a transfer case carry out in the following order:

Fig. 8.83. Transfer case: 1–connecting flange; 2–spring; 3–persistent ring; 4–bolt; 5–target shaft; 6–cover; 7–adjusting laying; 8–bearing; 9–gear wheel; 10-bearing; 11-case; 12-gear wheel; 13-bearing; 14-gear wheel support; 15-bearing; 16-ring; 17-flange


unscrew a bolt of fastening of a driving flange of the driveshaft and remove a flange 17 (fig. 8.83) ;
remove a flange of the right power shaft;
remove a zamkovy ring of an adjusting nut;
having unscrewed the provision of an adjusting nut concerning a case, unscrew a nut;
having unscrewed fastening bolts, uncover a conducted gear wheel of the driveshaft and a leading gear wheel;
having unscrewed fastening bolts, uncover a leading gear wheel and a leading gear wheel with primary shaft.

Assembly of a transfer case carry out in the following order:
establish in a case conducted and conducting gear wheels with primary shaft;
establish a flange of a drive of the driveshaft;
put on interfaced surfaces of a cover and a case a thin layer of hermetic, establish a cover on a case and fix it bolts;
screw an adjusting nut according to in advance put label then establish a zamkovy ring;
establish a leading shaft;
establish a flange of a drive of the right forward wheel, a conic ring, a spring and a persistent washer;
establish a spring washer and a lock ring of a drive of the right forward wheel;
screw a bolt of fastening of a flange of the driveshaft, previously having put on a bolt carving the means interfering an otvorachivaniye of a bolt.
Installation of a transfer case make in sequence, return to removal.

Viskomufta
Removal вискомуфты carry out in the following order:
having noted the provision of back section of the driveshaft, disconnect the driveshaft from the hydraulic coupling;
unscrew the central nut of fastening of the hydraulic coupling.

Fig. 8.84. Viskomufta: 1–nut; 2, 3 – a ring; 4–вискомуфта; 5–hairpin; 6–main reverse gear


holding вискомуфту 4 (fig. 8.84) by means of an assembly shovel, wring out the arm stabilizer down;
remove вискомуфту and close an opening in its case a cap.

Main reverse gear
Removal of reverse main gear carry out in the following order:
remove the visko-coupling and a cap close an opening in its case;
disconnect from the main reverse gear power shafts;
disconnect a tube from a pneumatic drive of the obgonny coupling;

Fig. 8.85. Elements of fastening of the main reverse gear: 1–beam; 2–support; 3–arm; 4 — the amplifier; 5–brake disk; 6–brake drum; 7–nave; 8–bearing; 9–lever; 10-plug


disconnect fastening elements (fig. 8.85) of a case of the main reverse gear;
having established a jack under a case of the main transfer, raise a jack so that the weight of the main reverse gear was perceived by a jack;
unscrew bolts of fastening of the main reverse gear, lower a jack and take the main reverse gear from under the car.
Dismantling of reverse main gear carry out in the following order:
establish the main reverse gear on a basic rack;
having turned on 90 ° a pneumatic drive of the obgonny coupling, remove it from a case of the main reverse gear;
remove a flange of the left power shaft from an adjusting nut;
having noted the provision of a zamkovy ring, remove a ring and unscrew an adjusting nut;
unscrew the bolts connecting halves of a case of the main transfer and divide cases;

Fig. 8.86. Main reverse gear: 1–lock ring; 2–semi-axial gear wheel; 3–satellite; 4–protective ring; 5–lock ring; 6–connecting flange; 7–target shaft; 8–bearing; 9–differential box; 10-rasporny plug; 11-ring; 12-holder of the obgonny coupling; 13-case of the obgonny coupling; 14-target shaft; 15-nave; 16-spheres; 17-spring; 18-ring; 19-holder of the bearing; 20-bearing; 21-power shaft; 22-a conducted gear wheel; 23-bearing; 24-sealing ring; 25-connecting flange; 26-leading gear wheel; 27-bearing; 28-adjusting laying; 29-plug; 30-bearing; 31-nut


remove an entrance shaft together with a conducted gear wheel 22 (fig. 8.86) ;
remove a lock ring and a plate of the obgonny coupling;
remove a disk with internal gearing;
remove the obgonny coupling;
remove the left target shaft of the main transfer with external gearing and the rasporny plug;
remove persistent washers and a nave of the obgonny coupling, turning it clockwise;
remove the case of the mechanism of blocking of the obgonny coupling.
Assembly and installation of the main reverse gear make in sequence, to return dismantling and removal.

Rack of a back suspension bracket

Fig. 8.87. Rack of a back suspension bracket: 1–cover; 2–самоконтрящаяся nut; 3–tarelchaty washer; 4–rubber plug; 5–rasporny plug; 6–bolt; 7–sealing ring; 8–laying; 9–rack support; 10-spring nest; 11-bottom rubber plug; 12-metal cap; 13-washer; 14-buffer; 15-protective cover; 16-plastic cover; 17-spring; 18-laying; 19-bottom cup of a spring; 20-hydraulic shock-absorber; 21-bolt; 22-clip of fastening of the stabilizer; 23-stabilizer; 24-clip of fastening of the stabilizer


Distinctive design features of a rack of a back suspension bracket of the car with a full drive are shown on fig. 8.87 .

System of production of the fulfilled gases

Fig. 8.88. An exhaust system of cars with a drive on four wheels


Distinctive design features of system of production of the fulfilled gases of the car with a full drive are shown on fig. 8.88 .