An older dishwasher making noises can be a few different things.
Kitchenaid dishwasher grinding noise. Common drainage issue with many types of dishwashers this is a kenmore about 10yrs old. Dishwasher making a grinding noise when draining duration. Dishwasher making grinding noise. A dishwasher that makes a loud grinding noise is a very common issue.
If one or more of the impeller blades is broken the dishwasher will make noise. Some dishwashers come equipped with an electronic control that has a motor driven electrical switching device in the panel. As a result of the motor working it may make grinding noises as the dishwasher goes through a cycle. The wash impeller is a small plastic blade that forces water through the spray arms.
Inspect the wash impeller for damage. Produced by scott the fix it guy with over 20 years of repair experience. Whether the dishwasher is brand new or many years old there are common reasons this will happen. If the growling sound has a rough tinny edge like a grinding or squealing noise when your dishwasher runs this indicates a lack of sufficient water.
Loud dishwasher caused by dirty circulation pump how to easily clean the pump.