Coleman HS400UTV-2 Owner's Manual page 162

8-58 Periodic Maintenance and Adjustment
Front wheels shake during
2
use.
Rear wheels shake during
3
use.
4 Wheels jump during use
Check the bearings in hubs. Make sure they are not missing or
broken
Check the main ball pins to find out if they are broken.
Check the lug nuts and lock nuts of front wheels and axles to
find out if they are loose or broken.
Check the inner splines of front wheel hubs and outer splines
of front wheel axles to find out if they are worn or broken.
Check rubber bushings between the front suspension shocks
and frame to find out if they are worn or missing.
Check the inner splines of rear wheel hubs and outer splines of
rear wheel axles to find out if they are worn or broken.
Check the lug nuts and lock nuts of rear wheels and axles to
find out if they are loose or broken.
Check rubber bushings between the rear suspension shocks
and frame to find out if they are worn or missing.
Check if rims are deformed