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Home >> GMC >> 1990 >> Forward Control 3.9 L >> Repair and Diagnosis (Single Page) >> Suspension >> Wheel Alignment >> Wheel Alignment Specifications & Procedures >> Alignment Specifications >> Caster Specification Table
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Caster Specification Table

Measure ride height. See Figure. Use ride height measurement (measurement "BC") with the following table to find the proper caster setting for vehicle.

Fig 1: Caster Specifications ("G", "P", "R" & "V" Series)
G90B04490Courtesy of GENERAL MOTORS CORP.