Repair of VAZ-2121
The front axle of the VAZ-2121 is combined.
It performs the functions of the driving and controlled axles simultaneously and has a permanent drive from the transfer case
The oil should be changed after a trip or warmed up.
You need to fill in transmission oil with quality level according to APIGL-5 - 75W90 in the amount of 1.15 liters
Disconnect the driveshaft from the front axle gearbox (article - "Removing the driveshaft")
If during bridge diagnostics we find that the radial clearance in the inner joint housing bearings exceeds 0.05 mm, then the bearing must be replaced
The front axle gearbox of the Niva VAZ-2121 car is removed for repair work, when it is necessary to correct the faults that we discussed in the article - "Features of the front axle of the VAZ-2121"
Remove the front axle gearbox as described in the article - "Removing and installing the front axle gearbox"
The rear axle of the car is made in the form of a hollow beam, to the ends of which flanges with seats for axle shaft bearings and holes for mounting brake shields are welded.