7.2 Checking the tread with a depth gauge
Regularly remove stones or sharp objects stuck in the tread. Periodically remove the wheels and clean the outer and inner surfaces of the disk from dirt. If you have any doubts about the consequences of any damage found, consult a tire repair shop. Rotate the wheels at the specified intervals (see below).
Types and causes of tire tread wear
Types and causes of tire tread wear
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1. Lateral tread wear
Reasons:
- underinflated tire (double sided tread wear)
- incorrect front wheel alignment (one-sided tread wear)
- cornering at high speed
- long drive without tire rotation
Solution:
- check the pressure and restore it to normal
- repair or replace suspension parts
- drive at a moderate speed
- rearrange the wheels
2. Transverse angular wear
Reasons:
- Incorrect wheel alignment
Solution:
- Adjust the toe-in
3. Wear of the central part of the tire
Reasons:
- high tire pressure; long-term driving without rotating the tires
Solution:
- check the pressure and restore it to normal, rotate the wheels
4. Uneven wear
Reasons:
- wheel alignment or longitudinal tilt angle of the steering axis
- abnormal operation of the front suspension
- wheel imbalance
- brake drum out of roundness
- long drive without tire rotation
Solution:
- Repair or replace suspension parts
- Balance the wheels
- Grind or replace the drum
- Rearrange the wheels
7.4a If the tire pressure drops, tighten the valve core