Diagnosis By Symptom

Suspension and Steering General Diagnosis
Problems in the steering, the suspension, the tires, and the wheels involve several systems. Consider all systems when diagnosing a complaint. Some problems, such as abnormal or excessive tire wear and scuffed tires, may be the result of hard driving. Always road test the vehicle first. If possible, do this road test with the customer.
Proceed with the following preliminary checks. Correct any substandard conditions.





Preliminary Checks





Car Lead/Pull

Part 1:

Part 2:

Abnormal or Excessive Tire Wear





Scuffed Tires





Wheel Tramp





Shimmy, Shake, or Vibration





Hard Steering

Part 1:

Part 2:

Too Much Play in Steering





Poor Returnability





Abnormal Noise, Front Suspension





Wander or Poor Steering Ability

Part 1:

Part 2:

Erratic Steering When Braking





Low or Uneven Trim Height





Ride Too Soft





Ride Too Harsh





Body Leans or Sways in Corners





Suspension Bottoms

Part 1:

Part 2:

Steering Wheel Kickback





Steering Wheel Surges or Jerks





Cupped Tires