I’m not sure of the age…but it’s making some crazy almost grinding noises. Is it almost toast? Or can I fix it?
Here are your parts
Parts for Maytag MDBH945AWS Dishwasher - AppliancePartsPros.com
You will have to open up the filters and pump.
Sounds like there may be something in or a problem with the chopper.
Below is a manual the pump in these units is basically yjhe same as your so perhaps you will find it useful.
You will have to join the site and be logged in to be able to download it.
http://appliancejunk.com/forums/index.php?action=downloads;sa=downfile&id=83;t=1450790689