Your dishwashers wash pump is responsible for driving water to your washers spray arms and is a primary component in the cleaning process of your dishes. If you are experiencing a poor wash result, you need to identify that your machines wash pump is the cause of your dishwasher woes. Beware that the task of replacing your dishwashers wash-pump is not only challenging but getting it wrong can upset the entire machine operation and cause damage to other components. For this reason, we recommend that a qualified service technician do the replacement.