How to Troubleshoot a Noisy Dishwasher

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A noisy dishwasher is common in many households. Many people assume that repairs must be done by a serviceman, however, repairing your dishwasher is not a difficult process. If you are in the mood to save some money and take matters into your own hands, stay tuned for our dishwasher troubleshooting tips! 

Your noisy dishwasher can be the result of broken or defective parts within it’s system. Below are a list of the most common parts that can be the source of the problem. Once you have found the part that needs to be replaced, don’t hesitate to start your repairs! Order your replacement parts here: 1st Source Servall Dishwasher Parts


 

Motor

The first step in troubleshooting your dishwasher involves checking the motor to determine if this is the source of the noise. If any components of the motor have come loose, worn or defective, you will hear a rattling noise during the wash cycle. If the motor cannot be fixed you will need to order a replacement motor.

Fan Blade 

The heater fan could be the source of your noisy dishwasher. If the fan blade has become dislodged it will result in squeaking and knocking sounds. Check for any signs of rust as well as loose fasteners as both can results in unwanted noise. Use a wire brush or lubricating oil to fix the problem. Replace the part if noise continues.

Pump

A faulty pump could be the reason your dishwasher is making loud noises during the wash cycle. The pump functions to pressurize the spray arms, as well as, drain the water from your dishwasher. The pump is located at the bottom of your dishwasher and is made of of two different parts, one for circulation and one for drainage. Clean this pump to ensure it is clear of debris. If this does not solve your noise issue, your dishwasher pump needs to be replaced.

Wash Arm Bearing Ring & Spray Arm Seal 

Loose or damaged bearing rings and arm seals could be another cause of your noisy dishwasher. These parts support the wash arm or spray arm. Inspect the rings for any wear and tear. If the parts are worn, they will need to be replaced.

Drain Impeller/ Drain Hose

The drain impeller pushes water through the drain hose into the garbage disposal or drain line. The drain hose can be clogged from any food debris flowing in your dishwasher. You will need to remove the kick-plate below the dishwasher door, locate the hose, and disconnect it. Run water through the hose to remove any debris.

Inlet Valve 

A damaged water inlet valve can result in it coming loose and shake enough to cause unwanted noise. When the problem is significant, it can cause the valve to switch on and off by itself – this will not only be noisy but can cause your dishwasher to stop working properly. The inlet valve is generally located beneath the access panel of your dishwasher. Examine the inlet valve for any damage. This part should be replaced if it shows any sign of wear.

Spray Arms

Be sure to check that your dishwasher’s spray arms are turning freely and not hitting the racks or dishes. If the arms are wobbly, the center of the portion/hub of the spray arm may be worn. If that is the case, your spray arm needs to be replaced.


We do hope this was helpful! If you other questions regarding your dishwasher, don’t hesitate to visit our blog! https://1stsourceservall.wordpress.com/category/dishwasher/

 

 

 

 

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