The real issue is the bolt that clamps it to the end of the crank is a torque to yield type
Once it is first installed and torqued down, the bolt stretches and cannot be torqued or used again
If it gets loose or some lazy guy reuses it, the balancer gets loose and effects the belts attached to it
If too loose (belt) then water pump will not function and cause coolant overheats
Problem is that is a long bolt and very little space to get to it and the steering rack has to be loosened and moved
aside, to gain the room to properly install a new bolt
Keep watch like at idle to see if the balancer does not wobble and belts are tight.
Torque to yield bolt is a one time use and must be replaced once if it gets loose and lazy guys instead use like
a red locker on used bolt threads but then when really needing to get the bolt out it will be hell to get loose and out