Question about Bosch Dishwashers

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New Bosch dishwasher SHE55PO6UC is noisier than expected. I listened to a 50db unit at Sears and the unit I purchased(47db) is not as quiet.The gasket/seal doesn't seem to fit tight against the cabinet opening and there are gaps at the side of the base plate. What type of materials can I use to improve the sound insulation?

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  • cdiggins51 Feb 03, 2010

    The question was: What type of materials
    can I use to improve the sound insulation?

    Original posting: New Bosch dishwasher SHE55PO6UC is noisier than expected. I listened to
    a 50db unit at Sears and the unit I purchased(47db) is not as quiet.The
    gasket/seal doesn't seem to fit tight against the cabinet opening and
    there are gaps at the side of the base plate. What type of materials
    can I use to improve the sound insulation?

  • cdiggins51 Feb 03, 2010

    New Bosch dishwasher SHE55PO6UC is noisier than expected. I listened to a 50db unit at Sears and the unit I purchased(47db) is not as quiet.The gasket/seal doesn't seem to fit tight against the cabinet opening and there are gaps at the side of the base plate.
    What type of materials can I use to improve the sound insulation?

  • cdiggins51 Feb 03, 2010

    SHE55PO6UC is noisier than expected or advertised. I don't think the rubber seal around the unit that contacts the cabinet is sufficient to guard against sound infiltration and the plastic base is ill fitting with gaps at the sides. I think Bosch has cut corners on those two areas and needs to improve or at least offer some type of additional/corrective insulation during installation.
    Sears and the installer are still working on the issue. Bosch says they will only become involved if one of their technicians determines there is a problem with the dishwasher's operation.
    I'm a little discouraged but hopeful for a solution. I will relay this information to the installer and find out if it is useful.

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  • Master
  • 8,619 Answers


Hi


Thanks for using FixYa. It could be because of the following:

Water-inlet valve an aging water-inlet valve can sometimes fail slowly, rather than all at once. It can shudder on and off rapidly, causing the incoming water lines to shake, rumble, and rattle--sometimes violently. If yours is doing this, replace the inlet valve.

Motor If it's the motor that's noisy, either of these may be the "culprit:"



  • As motor bearings wear out, they can become quite loud when the motor runs. They wear out quickly if they frequently get wet, because the water washes away the motor bearing grease. Bearings can get wet if the spin seal is defective. Then there will also be water leaking onto the floor beneath the dishwasher. Replace the seal if it leaks (read about the main tub seal in the "It leaks" section, later).

  • If, from beneath the dishwasher, you can see a round, plastic disc that's mounted to the top of the motor (a "slinger"), it may have broken free of the motor shaft. If so, it could be rattling around the shaft while the motor is running. If that's the problem, you need to replace the motor.
Heater fan if the heater fan bearings are rusted or worn, they may squeal, or scrape loudly during the drying cycle. If this is the problem, replace the fan motor. Alternatively, the fan blade may be loose. If so, you need to replace it.

Pump Small fruit pits, toothpicks, and fragments of glass sometimes get stuck in the pump. When this happens, open the pump and remove the debris. The pump is usually mounted directly to the motor, and then attached to the bottom of the dishwasher.

To get to the pump, you usually need to remove the lower rack, the spray arms, and the spray arm support from the inside of your dishwasher. A dishwasher pump isn't obvious. Look for an impeller--a round, plastic fan blade-type device that spins around and pushes the water toward the drain. When you can see the drain impeller, you should be able to see the clogging debris.


Please do accept the solution if the issue is resolved or else revert for further assistance.


Thanks
Rylee

Posted on Feb 03, 2010

  • Rylee Smith
    Rylee Smith Feb 03, 2010

    Sorry I think I misread the question. You can wrap a thermal insulating blanket around all sides specially at the top and bottom. Also there are insulating boards that might help. Also to catch any leaks you can put the machine in a hard plastic or metal box with 4 inches of rubber padding under it. Please check this link for more information. Please do accept the solution if the issue is resolved or else revert for further assistance.


    Thanks
    Rylee

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  • Master
  • 506 Answers

Not trying to play devil's advocate here but how can you prove that your dishwasher is louder than the unit at sears? They are two different test environments. Your house is much more compact with less objects for sound to be absorbed or reflected. Honestly I would not try and modify your brand new dishwasher. This could potentially void your warranty for possible future repairs. If anything check the bracket where it is screwed into the counter top. That possibly could cause a resonance which would make the unit appear to be louder. Take it easy man and good luck with whatever you may decide.

Posted on Feb 03, 2010

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