CHECK THESE NEXT:

6. LOW FRONT SUSPENSION HEIGHT
Have suspension professionally repaired.

7. INCORRECT STEERING GEAR ADJUSTMENT
Have steering gear professionally adjusted.

8. TIGHT OR FROZEN STEERING SHAFT BUSHINGS
Have steering shaft professionally repaired.

9. UNEVEN TIRE PRESSURES
Adjust tire pressures as necessary.

10. IMPROPER ENGINE IDLE SPEED
Have idle speed professionally adjusted.