Increased steering wheel play
Cause of malfunction | Elimination Method |
1. The bolts of fastening of the crankcase of the steering mechanism have loosened. | 1. Tighten the nuts. |
2. The nuts of the ball pins of the steering rods have loosened. | 2. Check and tighten nuts. |
3. Increased clearance in the ball joints of the steering rods. | 3. Replace tips or tie rods. |
4. Increased clearance in the front wheel bearings. | 4. Adjust the gap. |
5. Increased clearance in the engagement of the roller with the worm. | 5. Adjust clearance. |
6. Too much clearance between the pendulum axle and bushings. | 6. Replace bushings or bracket assembly. |
7. Increased clearance in the worm bearings. | 7. Adjust clearance. |
8. The bolts securing the intermediate steering shaft to the worm shaft or to the upper shaft of the steering mechanism have loosened. | 8. Tighten the bolts. |
Steering wheel tight
Cause of malfunction | Elimination Method |
1. Deformation of steering gear parts. | 1. Replace deformed parts. |
2. Incorrect setting of the angles of the front wheels. | 2. Check wheel alignment and adjust. |
3. The gap in the engagement of the roller with the worm is broken. | 3. Adjust the gap. |
4. The adjusting nut of the pendulum arm axle is overtightened. | 4. Adjust the tightening of the nut. |
5. Low pressure in the tires of the front wheels. | 5. Set normal pressure. |
6. Damage to parts of ball joints. | 6. Check and replace damaged parts. |
7. There is no oil in the crankcase of the steering mechanism. | 7. Check oil level and top up. Replace seal if necessary. |
8. Damage to the bearings of the upper steering shaft. | 8. Replace bearing. |
Noise (knocks) in steering
Cause of malfunction | Elimination Method |
1. Increased clearance in the front wheel bearings. | 1. Adjust the clearance. |
2. Loosening the nuts of the ball pins of the steering rods. | 2. Check and tighten nuts. |
3. Increased clearance between the pendulum arm axle and bushings. | 3. Replace bushings or bracket assembly. |
4. The adjusting nut of the pendulum arm axle is loose. | 4. Adjust the tightening of the nut. |
5. The gap in the engagement of the roller with the worm or in the bearings of the worm is broken. | 5. Adjust clearance. |
6. Increased clearance in the ball joints of the steering rods. | 6. Replace tips or tie rods. |
7. Loose steering gear housing or swing arm bracket. | 7. Check and tighten the bolt nuts. |
8. Loosening of nuts of fastening of rotary levers. | 8. Tighten nuts. |
9. Loosening of the bolts securing the steering shaft. | 9. Tighten the bolt nuts. |
Self-excited angular oscillation apron wheels
Cause of malfunction | Elimination Method |
1. Tire pressure is not correct. | 1. Check and set normal pressure. |
2. The angles of the front wheels are violated. | 2. Check and adjust wheel alignment. |
3. Increased clearance in the front wheel bearings. | 3. Adjust the gap. |
4. Wheel imbalance. | 4. Balance the wheels. |
5. Loosening the nuts of the ball pins of the steering rods. | 5. Check and tighten nuts. |
6. Loose steering gear housing or swing arm bracket. | 6. Check and tighten the bolt nuts. |
7. The gap in the engagement of the roller with the worm is broken. | 7. Adjust clearance. |
Driving the vehicle away from straight ahead in either direction
Cause of malfunction | Elimination Method |
1. Unequal tire pressure. | 1. Check and set normal pressure. |
2. The angles of the front wheels are violated. | 2. Check and adjust wheel alignment. |
3. Different draft of the front suspension springs. | 3. Replace unusable springs. |
4. Deformed steering knuckles or suspension arms. | 4. Check up fists and levers, replace unusable details. |
5. Incomplete release of one or more wheels. | 5. Check up a condition of brake system. |
Vehicle instability
Cause of malfunction | Elimination Method |
1. The angles of the front wheels are violated. | 1. Check and adjust wheel alignment. |
2. Increased clearance in the front wheel bearings. | 2. Adjust clearance. |
3. Loosening the nuts of the ball pins of the steering rods. | 3. Check and tighten nuts. |
4. Too much play in the ball joints of the steering rods. | 4. Replace the tie rod ends. |
5. Loose steering gear housing or swing arm bracket. | 5. Check and tighten the bolt nuts. |
6. Increased clearance in the engagement of the roller and the worm. | 6. Adjust clearance. |
7. Deformed steering knuckles or suspension arms. | 7. Check up fists and levers, replace the deformed details. |
Oil leakage from crankcase
Cause of malfunction | Elimination Method |
1. Wear of the bipod or worm shaft seal. | 1. Replace the oil seal. |
2. Loosening of the bolts securing the steering gear housing covers. | 2. Tighten the bolts. |
3. Damage to gaskets. | 3. Replace gaskets. |