Dodge Omni/Horizon/Rampage 1978-1989 Repair Guide

Front End Alignment

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Wheel alignment requires the use of sophisticated equipment to accurately measure the geometry of the front end. The information is given here so that the owner will be aware of what is involved, not so that he can do the work himself.

Before the wheels are aligned, the following checks should be made, since these are factors that will influence the wheel alignment settings.



All tires should be of the same size and up to the recommended pressures.
 
Check the lower ball joints and steering linkage.
 
Check the struts for extremely stiff or spongy operation.
 
Check for broken or sagged springs.
 
The wheel alignment should be made with a full tank of gas, and no passenger or luggage compartment load.
 

CAMBER



Camber angle is the number of degrees which the centerline of the wheel is inclined from the vertical. Camber reduces loading of the outer wheel bearing and improves the tire contact patch while cornering.

Camber is adjusted by loosening the cam and through-bolts on each side. Rotate the upper cam bolt to move the top of the wheel in or out to the specified camber.



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Fig. Fig. 1 Camber angle is the number of degrees which the centerline of the wheel is inclined from the vertical



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Fig. Fig. 2 Camber is adjusted by loosening the cam and through-bolts on each side

CASTER



Caster angle is the number of degrees in which a line drawn through the steering knuckle pivots is inclined from the vertical, toward the front or rear of the car. Positive cater improves directional stability and decreases susceptibility to crosswinds or road surface deviations. Other than the replacement of damaged suspension components, caster is not adjustable.

TOE-OUT





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Fig. Fig. 3 Loosen the nuts and clamps, then adjust the length of the tie-rod for correct toe out



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Fig. Fig. 4 Toe is checked with the wheels in the straight-ahead position

The front wheels on these models are set with a slight toe out, as on most front wheel drive cars, to counteract the tendency of the driving wheels to toe-in excessively. Toe out is the amount, that the wheels are closer together at the rear than at the front. Toe is checked with the wheels straight ahead. The tie-rod linkage is adjustable. Loosen the nuts and clamps and adjust the length of the tie-rod for correct toe out.



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Fig. Fig. 5 Front Wheel Alignment

 
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