General Understanding:
For simplicity of use and understanding we refer to the four wheels of a vehicle
by number. Instead of using “Left Front”, or “Right Front” etc. Refer to the
following diagram for labeling:
FRONT
2
4
3
1
!
CAUTION: For all under vehicle maintenance, you must rst
disable the air system by removing the main system fuse located near
the battery.
Service Disable: