Replacing wheel bearings and half shaft seal
Release the handbrake by placing stops under the front wheels.
We remove the rear wheels from one side of the car (see Removing the rear wheels and axle shafts of the Gazelle car).
Remove the axle shaft
Unscrew the locknut with a special key from the standard 62 set.
Remove the locknut from the hub.
We remove the lock washer by prying it with a hook or thin pliers.
Unscrew the bearing nut with the same head and remove it.
Note that it is installed with the pin facing out.
Pulling it towards you, remove the hub together with the brake drum, bearings and cuff from the axle housing.
Remove the inner ring of the outer roller bearing.
Use a screwdriver to remove and remove the cuff
Remove the thrust washer.
Remove the inner ring of another bearing with rollers
With a soft metal drift, we knock out the outer rings of the outer and inner bearings, remove the rings
We wash the inner cavity of the hub and other parts with kerosene or diesel fuel.
Lubricate the bearing seats with gear oil.
By hammer blows through the soft gasket, we press in the outer rings of the new bearings.
We lubricate the rollers and the separator of the inner bearing with Litol-24 and put its inner ring into the outer one.
After installing the thrust washer, lubricating the edges of the new cuff with Litol-24, using the old cuff as a mandrel, we press in the new cuff.
We put the hub on the axle housing, after which we install the inner ring with the outer bearing rollers lubricated with Litol-24.
We turn the adjusting nut and adjust the bearings.
We install the axle shaft, after which we fill the wheel hub with oil (see Changing the oil in the rear axle gearbox of the Gazelle car).
Wheel bearing adjustment
Jacking the rear axle of the car until the wheels are off the ground.
Remove the wheels.
Remove the axle shaft.
Unscrew the outer nut, remove the lock washer and loosen the bearing nut by ⅓ of a turn.
Checking the ease of rotation of the hub.
If the brake pads touch the drums, we eliminate this malfunction, and then repeat the adjustment.
We tighten the bearing nut with a special head from the standard set with a torque of 7–10 kgf.m, constantly rotating the hub to self-align the rollers in the bearings.
Unscrew the bearing nut at an angle of 22–45° (1–2 slots on the lock washer, no more).
Install the lock washer so that the locking pin of the nut fits into its slot.
We install and tighten the outer nut with a torque of 15–20 kgf.m with the same head.
After that, the hub should rotate freely without play, clicks or jamming.
Install the remaining parts in reverse order and fill the hub with oil.
We check the adjustment after driving about 10 km.
Heating the hub above 70 ° C (the hand does not tolerate) is considered unacceptable.
Repeat the adjustment, then recheck the hub temperature after the same run.