Car driveline and cardan VAZ-2121

Cardan transmission — general information
Since the second half of 1988, on VAZ 2121 cars and their modifications, a cardan drive with hinges of increased durability has been installed. Its components are not...

Driveline device
The cardan transmission device is shown in fig. 3-50, 3-51 and 3-52. Pic. 3-50. Cardan gear assembly: 1 - front propeller shaft, 2 - intermediate propeller shaft; 3 - transfer...

Possible gimbal malfunctions, their causes and methods of elimination
Knocking in the driveline when starting off, during sudden acceleration or gear shifting Noise and vibration of the driveline Lubricant leak

Removal and installation of cardan transmission
Position the vehicle on a lift or pit, ensuring that the front and rear wheels turn freely on one or both sides of the vehicle. Park the vehicle securely, release the parking...

Checking the technical condition without disassembly
After cleaning and washing the cardan shafts, check the cardan joints of the shafts for ease and smoothness of turning the forks and for the absence of significant axial and...

Dismantling the driveline
Rear and front shafts Apply marks (paint or core), which determine the relative position of the mating parts in order to connect them during assembly in the same position to...

Checking the technical condition of the driveline
Eccentricity test Install front (rear) cardan shaft I centers and, turning it, check the runout of the pipe, which should not exceed: 0.5 mm at a distance of 50 mm from the end...

Cardan assembly
Assemble cardan shafts in the reverse order of disassembly, taking into account the following: apply evenly 3-4 g of Fiol-1 or Fiol-2U lubricant on splined joints; when connecting...

Balancing cardan shafts
The front and rear driveshafts are balanced on special machines and balanced by welding metal plates. At a speed of 5500 min9 shaft imbalance controlled on surfaces A and B (pic....

Features of the repair of cardan transmission, installed before 1988
Repair of the driveline is carried out by the same methods and in the same sequence as described above, but taking into account the following: cross bearings are pressed out of...