Question about LG WM-3677HW Front Load Washer / Dryer

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LG WM3677HW Pump Problem

I have been receiving OE errors and more pump noise than normal (sounds like grinding) lately and the clothes are not getting anywhere near dry. There have been a few times where there was lots of water left in the drum and the washer stops and then gives an OE error. I have cleaned the trap several times and but cannot seem to get it working this time.

I would prefer not to call a service tech as I should be able to handle the repair job of replacing the pump(s) but don't know the best way to get at them. How can I tell which one to replace or should I just do both of them?

Thanks for your help.

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  • 2 more comments 
  • Michael Raburn
    Michael Raburn Jan 17, 2009

    I am ahving the same exact problem with my 3677 also. I am not appliance tech. but I can usually figure it out with a little boost in the right direction. THANKS Michael

  • Anonymous Mar 27, 2009

    yes

  • paulmn Apr 27, 2009

    I also hear a grinding sound and sometimes the drum is full of water. I would love if someone could tell me what I need to do to fix this! thanks!

  • Carl Schulzetenberg
    Carl Schulzetenberg May 11, 2010

    Sorry for not getting back to you. I have not been getting my "Ask Me" questions forwarded from Fix-Ya. Let me know with a comment if you still need help with this issue.

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No need to go in through the top to remove the pump on a WM3677... i've removed mine seems-like a dozen times already, and will soon replace it.
Be sure all the water is out of the washer before starting.

We have a training problem with not cleaning the lint trap, and the pump gets jammed. The design is bad; it traps some REALLY nasty gunk underneath the impeller (in the cavity).
Anyhow, when facing the machine, put a low step-stool to the right of the washer and (carefully!) tip it over onto it's side, resting on the stool. Pad the stool with a towel, if you're careful.
The pump is in the bottom of the machine, towards the front/face on the now-higher side. That's the left, as facing the machine.
First, remove the lint-trap, and the plug in the drain line (small black hose). Remove the access-panel plastic piece, it is held in by one small phillips screw.
Note the 4 wires attached to the pump. Remove them, they are spade-connectors. Note the color/position if you like, but it's not really important.
Reach behind the pump and pull off the small hose. This is the sprayer, and it does not have a clamp on it.
Use large channel-lock pliers to compress/slide back the clamp on the large rubber hose that goes from the drum to the pump. This is the supply/suction side. Remove the hose, but be sure not to dislodge it from the bottom of the drum.
The ribbed hose also has a compression clamp. This is the drain hose.
Remove two of the three phillips screws that hold the pump in, they are under the plastic panel we removed a minute ago, on the front of the machine.
Holding the pump with one hand, remove the last screw. The pump is free.

Assembly is the reverse, and don't forget to put ALL the hoses back!

Posted on Apr 08, 2010

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The pump seems to be a weak link as mine failed twice in 4 years (it's the drain pump, not the spray pump by the way). The impeller spins loose from the motor shaft and no longer pumps. The repair requires pulling the top, front and drum seal clamp (that was the toughest part) and r/r the pump. Part cost was about $40. I believe when the lint builds in the trap it causes a vacuum to build on the impeller and drags it loose. Keep a cleaning schedule on the lint plug and that should help.

Posted on May 28, 2009

  • Flim63 Feb 19, 2010

    The grinding noise is the impeller separated from the motor shaft, but it is more likely the drain motor having this problem. I have replaced the drain pump 3 times (including today). My spray tube also gets compacted with lint but the pump has never failed on that. Major weak part in that pump design. LG today said no service recalls or notices on my model!

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I just found a way to solve this problem. The drain plug is probably clogged from all th elint that does not have a way out of the system. There is a service panel on the bottom left of the machine. I opened this panel and first gently pulled the black hose out of the clip and drained the extra water into a pan. Once the water was out, I put the plug back in and put it back into position. Next there is a round piece that unscrews to the right. after I unscrewed it there was a lot of trapped lint that I got out of the trap. Next I just screwed it back in and everything worked again.

Posted on Jan 27, 2010

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Anyone have step by step instructions for replacing the water pump on an LG front loading washer

Posted on Mar 22, 2010

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Hey guys, i have a wd1457rd and the spray pump makes a horrible grinding noise, i have opened it and it was full to the brim with compressed lint, cleaned it, cleaned the pipe that goes to the spray nozzle, it now sprays but the grinding noise is still there, could it be the o-ring around the pump shaft or the shaft it self causing the noise, maybe water or junk getting in between the shaft?

any help would be good, the noise is loud and annoying.

thank you

Posted on Feb 09, 2010

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Replace the water pump not hard to do. fit the problem [ pump is no the way ouy ]

Posted on Apr 28, 2009

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