GM Astro/Safari 1985-1996 Repair Guide

Trim (Ride) Height

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See Figures 1, 2 and 3

The trim height "Z'' measurement is used as an indicator if the front suspension is properly set-up. The height may be checked following suspension repairs or if damage to the suspension is suspected, such as after hitting a large pot hole. Refer to the illustrations for proper measurements.

On 2wd vehicles, if the measurement is out of specification, check for worn or damaged suspension components. On 4wd vehicles, some adjustment is possible through the torsion bar adjuster. Turning the adjustment bolt 1 full revolution will increase/decrease "Z'' height by 0.2 in. (6.0mm). If a proper adjustment cannot be obtained, check for worn or damaged components.



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Fig. Fig. 1: Measuring and adjusting the trim height "Z'' dimension-2wd vehicles (late-model shown, early-model similar)



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Fig. Fig. 2: Measuring and adjusting the trim height "Z'' dimension-early-model AWD vehicles



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Fig. Fig. 3: Measuring and adjusting the trim height "Z'' dimension-late-model AWD vehicles

 
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