Frame Reference Point Description Symmetrical
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Symmetrical reference points are 2 corresponding points on opposite sides of the centerline that have equal specifications in length, width, and height. Use symmetrical reference points in order to make quick inspections for underbody structural damage.