Question about Bosch Washing Machines

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Groaning noise in dishwasher cycle - appears to be at begining and end of wash cycles. Draining fine. Groans for for about 3 seconds and then moves on...

Noise on fill or when cycle is ongoing before wash cycle/modeas far as i can tell. Its a Bosch SMS50T02GB/40. I have already removed and checked the drain impeller pump and made sure no obstructions in the main body of the unit. During the rest of the cycle it is silent running - is there a solenoid or valve that changes direction or something that could be making the noise as it reverses flow or something like that? UPDATE: I found a related post on here that pointed me in the direction of the spray arms. I removed the upper spray arm - noise goes away. Put it in again - noise comes back. My only question is this: by removing the spray arm, i reduce the incoming pressure...the noise is loud enough to be more than plastic and there are no moving parts other than the spinning arm. Could the noise be related to a pump that is straining to get the water up to pressure when the upper arm is in place? If so - which pump would this be please? Thanks for your views

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  • 7 Answers

Washer may need descaling use a good cleaner at high temperature without a prewash minimum 75’degrees

Posted on Sep 24, 2019

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6ya6ya

6ya staff

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Posted on Jan 02, 2017

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Anonymous

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SOURCE: Diswasher motor making noise during wash cycle

It could be the impeller on the motor. The impeller fits over the shaft of the motor and might have split/broken up. That funny noise is probably the shaft spinning inside the damage impeller. Fortunately the impeler is fairly inexpensive and easy to replace. I believe there are one or two parts/covers to remove that are held in by a roughly half dozen torx screws.

Posted on Jan 10, 2008

Anonymous

  • 1 Answer

SOURCE: Bosch Dishwasher SHV4303UC - Does not drain.

Try looking for slithers of glass etc under the impeller. Remove the sump covers (filters) and look into the bottom. There will probably be a small cover held down by a screw. Under this is the impeller. Roll up a hand towel into a cigarette shape and slide this under the impeller - that should clear anything out.

Posted on Apr 17, 2008

Anonymous

  • 27 Answers

SOURCE: Loud humming noise when dishwasher is filling up with water

your model is pretty new. just so you know your warrenty is 1 year parts and labor. 2 years on parts. it should not cost that much money.

there are two components that start before the circulation pump.(wash noise you hear)

first sounds you hear will be the drain pump. usually rattling noises if something is in it but it can make a hum noise if something is jamming the drain propeller up. which is accessible with a T20 torx driver. take the filters out and the mesh filter. and unscrew the screw in the base towards the left. pull out whatever is lodged.

the other humming sound can come from the next component that activates is the watervalve. make sure you dont have a kinked water intake line. otherwise its a bad valve. i have had to change a few of those water valves out already but not for a hum noise on your model. you have a new style water valve. when brands make new parts we get problems fast sometimes..

Posted on Mar 19, 2009

Anonymous

  • 1 Answer

SOURCE: IFB Bosch washing machine.

I have an IFB washing maching it does not spin dry the clothes any solution

Posted on Jul 25, 2009

Anonymous

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SOURCE: Bosch dishwasher timer sticking

I have been told to replace the timer which I am looking to do the same to my machine!

Posted on May 25, 2010

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Groaning noise when you first turn it on. sounds ok when draining. also groans in wash and rinse cycle


Check behind screen and reach put ur hand in there when it is unplugged there could be something in there or take off the spray rotor and grab the tob of motor and see if it has play if it does have play that means the motor is no good the bearing went out

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Many Frigidaire dishwashers come with the promise of being the "quietest dishwasher in its class," according to Frigidaire. However, a quiet dishwasher doesn't necessarily mean that the dishwasher is silent, as some noises are normal. It can take some troubleshooting at times to determine if a noise coming from the dishwasher is typical or if it indicates a larger problem Listen for the sound of water filling and draining throughout the wash cycle. These sounds are normal and do not indicate an issue.

  • 2 Pay attention to the drain motor, which operates at the beginning of each cycle. This noise should be fairly quiet and should not sound like a loud, grinding or banging sound.
  • 3 Note that the sound will change when the wash cycle moves between the lower and middle spray arms. This sound should be temporary and fairly quiet.
  • 4 Look for hard items in the dishwasher grinder or filter if a loud crunching, buzzing or grinding sound is heard. The dishwasher can typically grind up these items within one or two cycles, but the item may be lifted out and discarded to eliminate the sound.
  • 5 Remove the bottom rack and spray arms from the bottom of the dishwasher if there is a loud noise coming from the dishwasher that does not resolve itself. Look inside for the impeller, which is round and spins. Remove any debris that may be clogging up the impeller or pump.
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    At the beginning of the cycle the dishwasher is attempting to pump out any residue water in the waste pipe and sump. It could be that the motor is sticking but you would probably also suffer from it not draining properly.
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    This one is a known issue and an easy fix. Use a tie wrap to securely tie the water tube for the middle spray to the upper basket. That's it. Believe it or not, it's that simple. You may want to secure it at the front and the back. To test this you can use the tie wraps used to closed the plastic grocery or bread bags. If this solves the problem you can buy a bag of nylon tie wraps from any hardware store. I had a similar problem with another GE model with a similar problem. The dishwahser used to make a horrible grinding noise during the wash cycle. One I secured the middle sprayer arm the grinding noise went away.

    Sep 20, 2007 | Dishwashers

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