GM Service Manual Online
For 1990-2009 cars only

Suspension

Z Height

D Height

Trim Height must be verified and adjusted before aligning the vehicle.

With RPO ZM6

122 mm (4.8 in) ±6 mm (0.24 in )

132 mm (5.2 in) ±6 mm (0.24 in )

Without RPO ZM6

122 mm (4.8 in) ±6 mm (0.24 in )

140 mm (5.5 in) ±6 mm (0.24 in )