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LG Dishwasher, Whistling, whirring sound


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3 replies to this topic

#1 llewej7@yaoo.com

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Posted 01 September 2013 - 06:00 PM

LG Mod LDF6920.  Any time the pump is running there is an annoying whistleing sound.  It is quite loud ( can be heard from adjacent room ) sometimes and other times it is just barely audible.  I have seen from some brief web surfing that this is a common problem with various models being affected.  Lots of varying opinions as to what causes/fixes it so I am here to get some expert advise...  Can you help?

 



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#2 Chat_in_FL

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Posted 01 September 2013 - 07:14 PM

http://www.repaircli...DD4001B/2308863

 

Dishwasher making a whistling noise during the wash cycle:

 

Change the chopper bladeAttached File  Chopper Blade.png   107.49KB   2 downloads

 

 


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#3 john63

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Posted 01 September 2013 - 07:32 PM

<<<Any time the pump is running there is an annoying whistleing sound.>>>

 

***********

 

During the WASH cycle---not the DRAIN MODE---correct?

 

All LDF6920 dishwashers have a flawed CHOPPER (also known as Macerator).

 

The CHOPPER has tips on it that are too much like an indian arrowhead tip---which causes noise during the Wash cycle.

 

A replacement CHOPPER corrects this.

 

Part Number---> 5832DD4001B

 

To replace the Chopper:

 

Remove both racks

 

Lift/remove the Lower Wash Arm (snaps out)

 

Remove the *Water Tower/Tube* that runs/routes from the Filter Housing---up the back of the dishwasher---and to the top of the dishwasher.

 

This done by removing the Phillips screw on the Filter Housing---which has a small stainless steel tab on it.

 

Then unsnap the mounting tabs (with your fingers or flat screwdriver) of the Water Tube at both---the top/center of the dishwasher and the back/center of the dishwasher.

 

Pull the Water Tower towards the front slightly---and twist/turn to the right---until it comes out of the Filter Housing.

 

Use a drill to remove all of the Filter Assy screws

 

Lift off the Filter Assy

 

At the rear of the Sump Assy---there will be a round/white Valve---pull it off (re-install the black o-ring if it has come off).

 

Remove the IMPELLER screw (reverse-thread) and pull.

 

Remove the Impeller Housing (lift off)

 

Remove the original CHOPPER and install the new one.

 

Re-assemble in reverse order (verify that the black gasket is correctly seated before carefully installing the Filter Housing).


To eliminate:

Musty odor

L-O-N-G cycle times

Dingy/yellowing whites

Suds error message

Slow spin speeds

Intermittent water leaks (from rear of washer)

And other annoying symptoms which vary brand-to brand.

Read below:

The *correct* amount of HE (High Efficiency) detergent that should be used in any front load or agitatorless top load washer with tub sizes 3.0 cu ft and larger is as follows:

HE: (2) Tablespoons Per Wash Load

HE 2X: (1) Tablespoon

HE 3X: (1) Teaspoon

Perform a TUB CLEAN CYCLE every (4) months.

Use: "Tide Washing Machine Cleaner"

#4 llewej7@yaoo.com

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Posted 01 September 2013 - 09:49 PM

You Guys are Awesome!

 

Thanks for taking the time to educate me!








Recent blog entries on this topic

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How to replace the chopper-mascerator blade in an LG Dishwasher

By Samurai Appliance Repair Man in Samurai Appliance Repair Man's Blog, on 02 September 2013 - 08:04 AM

Many dishwashers have a part called the macerator or chopper to cut up larger chunks of food before sending the waster stream back to the wash impeller. These are not meant to function as a disposal but to protect the wash impeller from stray chunks of food that may be circulating in the dishwasher. The best way to prepare dishes for the dishwasher is t...

Read Full Entry →

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