Wheels and Tyre Faults Troubles Causes and Remedies

Wheels and Tyre Troubles / Faults:

Troubles / Faults	Causes
1. Wheel Wobble	Worn hub bearing of the wheel unbalanced wheel.
2. Wheel bounce	Ecentricity of the wheel and tyre. Incorrect tyre pressure. Unbalanced wheel and brake drum.
3. Side wear of tyre	Worn tyre tread at one side, low tyrepressure.
4. One side wear of tyres	Incorrect camber angle and toe-in.
5. Centre wear of tyre treads	High tyre pressure.
6. Uneven tyre wear	Buckled wheel, unbalanced wheel.
7. Uniform rapid wear	Driving on rough road, fast driving.
8. Loss of tyre or tube pressure	Normal diffusion of air through the tube material. Faulty valve. Leaking patch. Punctures.

Wheels and Tyre trouble shooting:

Faults	Causes	Remedy
1. Wear on sides of tyre tread more than centre	i) Under-inflation	i) Inflate to correct tyre pressure.
2. Wear in centre of the tyre tread.	i) Over-inflation	i) Deflate to correct tyre pressure.
3. Filed appearance of tyre tread.	i) Misalignment of wheels	i) Check & correct where necessary.
4. One-sided wear of tyre tread.	i) Incorrect camber angle. ii) Sagging axle. iii) Driving on sleepy cambered road.	i) Adjust it. ii) Check and specify. iii) Improve driving habits.
5. Uneven tyre tread wear.	i) Under-inflation ii) Wheel bent iii) Wheel/tyre unbalanced.	i) Inflate to correct pressure. ii) Replaces. iii) Check and correct it.
6. Heal and toe wear off tyre tread.	i) Eccentric brake drum ii) Exxcessive braking and acceleration iii) Overloading.	i) Grind or replaces as required. ii) Avoid iii) Avoid
7. Cracking of casing.	i) Under-inflation ii) Over-inflation iii) Overloading.	i) Inflate to correct pressure. ii) Deflate to correct pressure. iii) Load correctly.
8. Excessive loss of pressure.	i) Porous tubes ii) Leaky valve iii) Punctured tube.	i) Replace. ii) Replace. iii) Repair.
9. Worn spots on tyre tread.	i) Improper brake adjustment ii) Wheel bearing faulty iii) Faulty hub or axle assembly iv) Loose steering linkages.	i) Re-adjustment. ii) Replace. iii) Check and correct it. iv) Check and correct it.

Next Unit: "Automobile Transmission"