Diagnosis And Testing - Tire Wear Patterns; Diagnosis And Testing - Tire Noise Or Vibration; Tires/Wheels; Diagnosis And Testing - Tire/Vehicle Lead - Chrysler Vehicle User Manual

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TIRES (Continued)

DIAGNOSIS AND TESTING - TIRE WEAR

Under inflation will cause wear on the shoulders of

tire. Over inflation will cause wear at the center of

Excessive camber causes the tire to run at an

angle to the road. One side of tread is then worn

more than the other (Fig. 15).

Excessive toe-in or toe-out causes wear on the

tread edges and a feathered effect across the tread

DIAGNOSIS AND TESTING - TIRE NOISE OR

Radial-ply tires are sensitive to force impulses

caused by improper mounting, vibration, wheel

defects, or possibly tire imbalance.

To find out if tires are causing the noise or vibra-

tion, drive the vehicle over a smooth road at varying

speeds. Note the noise level during acceleration and

deceleration. The engine, differential and exhaust

noises will change as speed varies, while the tire

noise will usually remain constant.

DIAGNOSIS AND TESTING - TIRE/VEHICLE

Use the following Vehicle Lead Diagnosis And Cor-

rection Chart to diagnose and correct a vehicle lead

or drift problem (Fig. 16).

Fig. 15 Tire Wear Patterns

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