Datum Description for GMC Truck Yukon XL - 4WD 2001
| • | A datum is an imaginary
horizontal plane that runs 2 ways to the vehicle: |
| | Calculate the height dimensions at right angles from the datum to a
given control reference point on the underbody. |
The company that develops height dimensions determines the location
of the datum based on the equipment used. Different datum lines are established
for the same vehicle. Add or subtract an equal amount from all height
dimensions. Create a new datum line for your usage.
