Tires And Wheels Diagnostic Chart - Ford F-MAX User Manual

MAINTENANCE AND SERVICE
Tires and Wheels
FAULT
If the vehicle slips to the side
when it is braked:
If the vehicle drags to left or
right when the steering is
released
5
If it is diffi cult to steer the
vehicle
If the steering excessive play
or looseness
If the outer side of the tire is
worn
If the inner side of the tire is
worn
If the tire is worn on the
shoulder areas
If the tire is worn on the back
areas
DIAGNOSTIC CHART
POSSIBLE CAUSE OF THE FAULT
• Brake adjustment is faulty
• Tires have diff erent pressure values.
• Incorrect tie-rod adjustment (toe
angles)
• Irregular wear on the tires
• Tires have diff erent pressure values
• Tire is underinfl ated.
• Vehicle is excessively loaded.
• Steering system shall be checked.
• Ball joints are loose
• Bushings are worn
• Track rod is loose/worn
• Steering gears or bearings are worn
• Excessive toe-out is applied
• Excessive toe-in is applied
• Tire pressures are low.
• Tire pressures are high.
DIAGNOSTIC CHART
FAULT
If the tires are worn on both
sides
If a tire is worn more than
the other
If the front wheels have
excessive vibration
If the vehicle is shuddering
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POSSIBLE CAUSE OF THE FAULT
Vehicle is used with excessive load.
Curves are taken with high speed.
Vehicle is used with high speed.
Wheel rotation is not applied.
• Pressure value of the worn tire is
faulty.
• Brake adjustment is faulty
• Toe angles are faulty
• Shock absorbers are faulty
• Wheel rotation is not applied.
• Tire pressure is high.
• Tires are fl attened.
• Balancing is faulty
• Ball joints are worn
• Tire pressures are high.
• Tires are fl attened.
• Balancing is faulty.