Question about LG LDF8812 Stainless Steel Built-in Dishwasher

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LG Dishwasher - drain hose replacement

Hello all,
I bought a new LG dishwasher from Home Depot, just installed. I ran a test cycle and found a leak, coming from a cut in the water outlet hose (goes to the disposal). I asked the appliance guy at Home Depot about a replacement hose (which I found can be ordered on the LG website).

Problem is: the Home Depot guy and I spend about 20 minutes with the LG floor model in the store trying to figure out how to get the old hose off. It disappears into the back of the unit with no obvious way to remove it. I'm pretty handy and it baffles me the way they have it designed. Anyone out there with advice?

Many thanks!

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  • 2 more comments 
  • robgettings Dec 17, 2007

    Right on!

    I pulled off the bottom and side panels and was able to remove the old hose. I did a google search for "LG drain hose" ordered the $28 part (I can't believe they charge that much), installed, and ran it. It works perfectly. Thanks!

  • Anonymous Apr 12, 2009

    I have LG LDF8812ST, drain hose cracked, leaked water into basement ceiling. I guess I will be taking side and bottom off, can I replace with a more substantial hose?

  • David M
    David M Nov 25, 2013

    I had the same cracked hose problem with model ldf6920st. The hose was cracked in 5 spots where it made a gentle 45 degree bend through an access hole in the cabinet to connect to the drain. In only a year the rigid plastic fractured and had been dribbling continually small quantities of water under my cabinets for at least a couple years. I refused to replace the fragile hose with another stock part and risk a recurrence with further damage. In short, I purchased a quality rubber(Made if USA) drain hose kit and re-engineered the hose figment. My cost- $14. Damage done by cut throat quality paper thin plastic drain hose... Hundreds! As an aside, I have a companion LG fancy frig that I invested two evenings to repair the ice maker after a year of use. I don't call service people because I have the technical knowledge to make the repairs. Let's just call these " teachable moments" and move along. No more LG products for this family.

  • Anonymous Mar 12, 2014

    when they removed it they took the drain hose, so I bought one but don't know how to install it. They cannot find the manual

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Hello, I have just installed a similar model, and took the side panel off to see how it was put together ;)

The drain hose goes in the back of the dishwasher, then loops up the right side (as you are looking at the front)(this is to act as a "trap" to keep sewer gases from coming back into your washer, I assume), and then connects to the drain pump under the washer.

In order the change the hose, you will need to remove the left side panel, and the bottom panel, and this will give you access to the entire hose....

Hope this helps!

Posted on Dec 17, 2007

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Similar problem: the drain hose went brittle at the sink drain end after just three years and started to leak. This is a design problem, they used a plastic not rated for hot, caustic liquids like dish washer soap. (I work in the plastics industry). Not much faith that the replacement hose will last very long.
It is a bear to replace. Take off left and right side panel (right is to allow water to drain went sideways). Turn onto right side, remove bottom panel. Remove spring clamp from drain hose end (get a real band clamp to replace it). Do the same at the sink end too. Replace hose and reassemble.
I'm going to replace the LG part with a EPDM 5/8" hose.

Posted on Oct 02, 2011

  • thedixter1
    thedixter1 Aug 25, 2013

    I was considering using a better tube as well, but there are two problems. 1) getting all the parts to connect everything properly and 2) finding a back-flow preventor, like the one that's built into the hose. I'm thinking the redesigned parts should be better.

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How do I remove the right side panel. they are all one piece (back,left and right side) on the LG washer model # WM2301HW

Posted on Mar 04, 2013

  • michael Mar 04, 2013

    how do I remove the right side panel. they are all one piece (back,left and right side) on the LG washer model # WM2301HW

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Drain hose leaks. can i buy a replacement house


You can use generic hose.
Turn the breaker off.
Remove your unit. It may have screws holding it to the underside of the counter. You may also need to lower the front legs by turning the feet with a wrench.
Look under the machine and disconnect the drain hose. Take care as there will be water in the system.
Look under the sink and disconnect the other end of the drain.
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LG LD-4050W dishwasher shows an E 1 fault, but no leaks found, and soloniod checks out ok?


When no leaks are found and you are getting an E1 error, the most common reason is that two things are true.

1.) The dishwasher drain hose does not connect to an airgap valve before it connect to the garbage disposal (or drain connection)

2.) That same drain hose does not have a high point in the hose between the dishwasher and the drain. This allows a natural siphon effect to pull the water out of the DW during the wash and rinse cycle.

The best solution is to install a dishwasher air gap on your sink and connect the drain hose to it and the air gap to the actual drain. They are almost free and any real hardware store.

But if the air gap is not possible, lift the drain hose as high as possible under the counter top and attach it so it stays up there.

Please report back with what you find. OK?

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Dishwasher (Kenmore 665 Ultra Wash) won't drain. Suggestions?


HI.This is a drain issue. check the following areas for faults.

1. Air gap / Drain hoses
If there is an air gap (located in the sink, near the faucet), check to see if it is clogged. Unscrew the top cap and see if there is anything blocking inside. Note: If there is no air gap installed, the dishwasher might not drain properly.

If the drain hose is clogged, the dishwasher would not drain. If there is an air gap installed, it is very common that a hose going from the air gap into the garbage disposer is clogged. Remove and clean the hose. Make sure to reattach the hose before starting the dishwasher.

Note: If you recently had a garbage disposer installed, it is common to overlook removing the drain plug.

Ok, if the hoses are ok and not clogged, this will confirm a major issue that concerns the drain assembly or pump impeller.

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HI. check the following areas for fualts.

1. Air gap / Drain hoses
If there is an air gap (located in the sink, near the faucet), check to see if it is clogged. Unscrew the top cap and see if there is anything blocking inside. Note: If there is no air gap installed, the dishwasher might not drain properly.

If the drain hose is clogged, the dishwasher would not drain. If there is an air gap installed, it is very common that a hose going from the air gap into the garbage disposer is clogged. Remove and clean the hose. Make sure to reattach the hose before starting the dishwasher.

Note: If you recently had a garbage disposer installed, it is common to overlook removing the drain plug.

2. Broken belt
Some dishwasher models use a belt to drive the pump. Replace the belt if found broken.

Note: Sometimes the belt would just come off the pump. Even though it might not be broken, it is recommended that you replace the belt, because it is probably too stretched out.

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If the motor is stuck, it is sometimes possible to free it up by manually spinning the motor.

Replace the motor if defective.

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If the hose ever fall back down, the problem will return immediately.  Adding the Air Gap valve is harder but is far more permanent (and complies with construction codes that really should not be ignored.)

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The most common reason for an E1 error on an LD dishwasher (that does not have a leak, including directly under the dishwasher) is the drain hose between the dishwasher and the drain does not have a rise in it between the DW and the drain. Either install a proper AirGar valve or attach the hose to the bottom of the counter top so that it raises 30" between the DW and the drain. When that raise does not exist, the laws of physics tell you that you WILL have a siphoning effect from the DW into the drain, causing the LG to report error code "E1", which is true because of the water leaving the DW during all the wash and drain cycles.
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I actually own an LG LDF8812 myself, except mine is stainless steel, not white. So be it. :-)
Anyway, it sounds like you have just unboxed the unit and it is brand new, not just new to you. I am also assuming that you have this dishwasher connected to an Air Gap valve which is connected to the garbage disposal. Please reply if I am wrong.
Because it is (apparently) new, the first thing I would check is that any water is draining from the unit. A common problem on new installations is that the knockout inside the neck of the garbage disposal unit. A quick way to test that is begin the dishwasher filling, then open the door and press the two buttons that give you Cancel. Hold for three seconds and the DW will begin to drain. Being careful of the hot water that should be draining into the kitchen sink via the disposal, but watch for water to come flowing with a healthy stream - not wimpy.
Please reply with what you have found and correct my assumptions that I got wrong. Good Luck!
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1. Air gap / Drain hoses
If there is an air gap (located in the sink, near the faucet), check to see if it is clogged. Unscrew the top cap and see if there is anything blocking inside. Note: If there is no air gap installed, the dishwasher might not drain properly.

If the drain hose is clogged, the dishwasher would not drain. If there is an air gap installed, it is very common that a hose going from the air gap into the garbage disposer is clogged. Remove and clean the hose. Make sure to reattach the hose before starting the dishwasher.

Note: If you recently had a garbage disposer installed, it is common to overlook removing the drain plug.

2. Broken belt
Some dishwasher models use a belt to drive the pump. Replace the belt if found broken.

Note: Sometimes the belt would just come off the pump. Even though it might not be broken, it is recommended that you replace the belt, because it is probably too stretched out.

3. Pump
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If the motor is stuck, it is sometimes possible to free it up by manually spinning the motor.

Replace the motor if defective.

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