Vertical Body Zero Line

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.

Fig 1: Identifying Vertical Body Zero Line

Courtesy of GENERAL MOTORS CORP.

The vertical body 0 line is a line drawn through the frame either at the forward or rearward torque box area of the frame.