If checking the support reveals the need to replace it, replace it
You will need: wrenches "for 13", "for 22", "for 27" (two), a wrench for wheel nuts, a metal brush, a support (screw or hydraulic jack), a mounting blade, a hammer.
With a 22 head, unscrew the nut of the ball joint pin
Remove the brake hose bracket
Install the stop under the lower arm
Using a 13 wrench, unscrew the nut of the ball joint bolt to the upper arm, holding the bolt from turning with a 13 wrench
We also unscrew the nuts of the other two bolts
We take out the bolts and remove the steering knuckle with a ball joint from the upper arm
Using a puller, press the ball joint pin out of the steering knuckle hole
Remove the ball joint
If there is no puller, unscrew the ball joint pin nut and remove the brake hose bracket as described above.
We compress the suspension spring with an adjustable stop installed under the lower arm.
Insert a block of wood between the upper arm and cross member bracket
Baiting the nut of the ball joint pin
Remove the stop from under the lower arm
We strike the steering knuckle eye with a hammer and press the ball joint pin out of the steering knuckle hole
Unscrew the support pin nut
Using a 13 wrench, unscrew the nuts of the three bolts securing the ball joint to the upper arm, holding the bolt from turning with a 13 wrench
Remove the ball joint
Install the ball joint in reverse order
Removing the lower ball joint
Hanging up and removing the wheel
We unscrew the adjusting nut of the front hub bearings, as described in the article - Adjusting the clearance in the VAZ-2123 hub bearings
Using a 22 spanner wrench, unscrew the nut of the ball joint pin
Install the stop under the lower arm
Using a 13 key, unscrew the nut of the ball joint bolt to the lower arm, holding it from turning with a 13 key
We also unscrew the nuts of the other two bolts
Removing the bolts
Remove the steering knuckle with ball joint from the lower arm
Using a puller, press the ball joint pin out of the steering knuckle hole and remove the ball joint
Install all parts in reverse order.