Chevrolet Full-size Cars 1968-1978 Repair Guide

Front End Alignment

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Fig. Fig. 1 Wheel Alignment Specifications



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Fig. Fig. 2 Caster and camber adjustment points

CAMBER



Camber is the inward or outward tilting of the front wheels from the vertical. When the wheels tilt outward at the top, the camber is said to be positive (+). When the wheels tilt inward at the top, the camber is said to be negative (-). The amount of tilt is measured in degrees from the vertical and this measurement is called the camber angle.

CASTER



Caster is the tilting of the front steering axis either forward or backward from the vertical. A backward tilt is said to be positive (+) and a forward tilt is said to be negative (-).

TOE-IN



Toe-in is the turning in of the front wheels. The actual amount of toe-in is normally only a fraction of a degree. The purpose of toe-in is to ensure parallel rolling of the front wheels. (Excessive toe-in or toe-out will cause tire wear).

Adjustment
  1. Loosen the clamp bolts at each end of the steering tie rod adjustable sleeves.
  2.  
  3. With the steering wheel set straight ahead, turn the adjusting sleeves to obtain the proper adjustment.
  4.  
  5. When the adjustment has been completed, check to see that the number the threads showing on each end of the sleeve are equal. Also check that tie rod end housings are at the right angles to the steering arm.
  6.  

 
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