Operation CHARM: Car repair manuals for everyone.

Initial Inspection and Diagnostic Overview

WARNING:
^ A VEHICLE EQUIPPED WITH A TRACTION-LOK DIFFERENTIAL WILL ALWAYS HAVE BOTH WHEELS DRIVING. IF, WHILE THE VEHICLE IS BEING SERVICED, ONLY ONE WHEEL IS RAISED OFF THE FLOOR AND THE REAR AXLE IS DRIVEN BY THE ENGINE, THE WHEEL ON THE FLOOR COULD DRIVE THE VEHICLE OFF THE STAND OR JACK. BE SURE BOTH REAR WHEELS ARE OFF THE FLOOR.

^ ALL-WHEEL DRIVE (AWD) VEHICLES WILL ALWAYS HAVE ALL WHEELS ON BOTH AXLES DRIVING. IF, WHILE THE VEHICLE IS BEING SERVICED, ONLY ONE WHEEL/AXLE IS RAISED OFF THE FLOOR AND THE AXLE IS DRIVEN BY THE ENGINE, THE WHEEL/AXLE ON THE FLOOR COULD DRIVE THE VEHICLE OFF THE STAND OR JACK. BE SURE ALL WHEELS ARE OFF THE FLOOR.

^ DO NOT BALANCE THE WHEELS AND TIRES WHILE THEY ARE MOUNTED ON THE VEHICLE. POSSIBLE TIRE DISINTEGRATION AND/OR DIFFERENTIAL FAILURE COULD RESULT, CAUSING PERSONAL INJURY AND/OR EXTENSIVE COMPONENT DAMAGE. USE OFF-VEHICLE WHEEL AND TIRE BALANCER ONLY.


To maximize tire performance, inspect for signs of improper inflation and uneven wear, which may indicate a need for balancing, rotation, or front suspension alignment.