Cause | Method of elimination |
Increased steering wheel free play | |
| Loosening the steering gear housing mounting bolts | Tighten the nuts |
| Loosening the tie rod ball joint nuts | Tighten the nuts |
| Increased clearance in ball joints | Replace the tie rod ends or rod ends |
| Increased clearance in front wheel hub bearings | Adjust the gap |
| Increased clearance in the engagement of the roller with the worm | Adjust the gap |
| Too much clearance between the swingarm axle and the bushings | Replace bushings or bracket assembly |
| Increased clearance in worm bearings | Adjust the gap |
Steering wheel is hard to turn | |
| Deformation of steering gear parts | Replace deformed parts |
| Incorrect front wheel alignment | Check wheel alignment and adjust |
| The gap in the engagement of the roller with the worm is broken | Adjust the gap |
| The adjusting nut of the pendulum lever axis is overtightened | Adjust the tightening of the nut |
| Low tire pressure in front wheels | Set the pressure to normal |
| Damage to ball joint parts | Check and replace damaged parts |
| There is no oil in the steering gear housing | Check and top up. Replace the seal if necessary |
| Misalignment of the worm shaft with the steering gear shaft | Adjust the alignment of the shafts with washers |
Noise (knocking) in the steering | |
| Increased clearance in front wheel hub bearings | Adjust the gap |
| Loosening the tie rod ball joint nuts | Tighten the nuts |
| Increased clearance between the pendulum arm axis and the bushings | Replace bushings or bracket assembly |
| The pendulum arm axis adjusting nut is loose | Adjust the tightening of the nut |
| The clearance in the engagement of the roller with the worm or in the worm bearings is violated | Adjust the gap |
| Increased clearance in the ball joints of the steering rods | Replace the tie rod ends or rod ends |
| Loosening of the steering gear housing or pendulum arm bracket mounting bolts | Tighten the nuts of the bolts |
| Loosening the pivot arm mounting nuts | Tighten the nuts |
Self-excited angular oscillation of the front wheels | |
| The tire pressure is not correct | Check and set normal pressure |
| The front wheel alignment angles are incorrect | Check and adjust the front wheel alignment |
| Increased clearance in front wheel hub bearings | Adjust the gap |
| Wheel imbalance | Balance the wheels |
| Loosening the tie rod ball joint nuts | Check and tighten the nuts |
| Loosening of the steering gear housing or pendulum arm bracket mounting bolts | Check and tighten the bolt nuts |
| The gap in the engagement of the roller with the worm is broken | Adjust the gap |
The car's deviation from straight-line movement in one direction or another | |
| Uneven tire pressure | Check and set normal pressure |
| The front wheel alignment angles are incorrect | Check and adjust wheel alignment |
| Different front suspension spring sag | Replace defective springs |
| Deformed steering knuckles or suspension arms | Check the knuckles and levers, replace any defective parts |
| Incomplete release of the brakes on one or more wheels | Check the condition of the brake system, fix the problem |
Vehicle instability | |
| The front wheel alignment angles are incorrect | Check and adjust wheel alignment |
| Increased clearance in front wheel bearings | Adjust the gap |
| Loosening the tie rod ball joint nuts | Check and tighten the nuts |
| Too much clearance in the ball joints of the steering rods | Replace the tie rod ends or rod ends |
| Loosening of the steering gear housing or pendulum arm bracket mounting bolts | Check and tighten the bolt nuts |
| Increased clearance in the engagement of the roller and worm | Adjust the gap |
| Deformed steering knuckles or suspension arms | Check the knuckles and levers; replace deformed parts |
Oil leak from crankcase | |
| Wear of the steering knuckle or worm shaft seal | Replace the seal |
| Loosening the bolts securing the steering gear housing covers | Tighten the bolts |
| Damage to sealing gaskets | Replace the gaskets |
(The original is posted on Internet resource VAZbook.ru)