1. The balance of the front wheels of the car is broken (see «Checking the technical condition of wheels, tires and hubs»).
2. The geometry of the tires or wheel rims is broken due to deformation (see «Checking the technical condition of wheels, tires and hubs»).
3. Wear of the hinges of equal angular speeds of the front wheel drives (see «Checking the technical condition of the front wheel drives»).