Originally Posted by old polaris tech

In the past they used 8mm plugs. Obviously I haven't worked on one,but the fill plug on all the other models was just as had to get to.I used an 8mm socket on an extension to get to it.You can use a tube with a small funnel to fill it or they may make a funnel small enough to work if similar to the other models I did.Yes the demand Drive fluid for the front diff,Agl for the gear case.

Originally Posted by old polaris tech

On some I had to remove radiator shielding to get to the plug. Don't know if that's what in the way on the newer 570.