Solved
Miele
WT945

Leaking Miele WT945...please help!

NDndr2002
Asked over 8 years ago 7,145 views
0

Hi there

I have investigated possible sources of the leak using the useful diagnosis tool on this wonderful website but sadly, my problem doesn't appear to be covered...

Essentially, the machine leaks from the bottom left corner around the area of the drain pump as soon as a program starts and the machine begins to fill. It positively gushes out of the bottom into the metal tray that forms the base of the machine and I need to turn the machine off immediately to prevent a flood.

The machine is quite old but as a supplementary appliance, has been used sparingly and has never had any issues.

I have cleaned out the filter and removed and refitted the drain pump assembly to check that the rubber seal is good. The detergent and conditioner drawers are clear of any residue - in fact, detergent (Bold) has only ever been added directly to the wash using a dosing ball.

Any suggestions on what specific areas to check would be most welcome as this appears to be a sudden and catastrophic failure of a great appliance!

Solution Summary

AI-generated from this discussion

This thread was marked as solved. Here's a summary of the problem and the fix, generated from the discussion below.

Miele WT945 leaks heavily from lower left as filling starts

The problem
A Miele WT945 washer-dryer was reported to leak heavily from the bottom left area near the drain pump as soon as a programme started and the machine began to fill. The leak was severe enough to flood the base tray immediately.
Likely cause
The discussion supports a leak from an internal seal, hose or other component in the lower left area, but the exact source was not identified. Because the leak starts immediately on fill, the accepted reply advised direct inspection for a split seal or hole.
What fixed it
Recommended action was to isolate the appliance from the mains and plumbing, drain remaining water, then lay it on its front and remove the back panel and bottom plate if possible to inspect for visible signs such as a split seal, hole, or water trail. If proper access is not possible, further diagnosis should be carried out by a suitably qualified appliance engineer. No exact repair was confirmed in the thread.
Checks to try
  • Filter cleaned
  • Drain pump assembly removed and refitted
  • Rubber seal on drain pump checked
  • Detergent and conditioner drawers checked and found clear
  • Advised to inspect for water trails, split seal or hole after gaining access from rear/bottom

Safety: Disconnect the appliance from the mains and plumbing before inspection. Further diagnosis should be carried out by a suitably qualified appliance engineer.

Cause identifiedGenerated 19 Aug 2026 · AI summaries can make mistakes — read the full thread below.
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1 Answer

Accepted Answer
0
WH
WhitegoodshelpVerified Engineer
Answered over 8 years ago

Hi there. It's difficult to advise anything that I haven't already written in my articles about finding out what is leaking on a washing machine - 5 tips to find out where washing machine is leaking from

It's literally about observing where the water is coming from, or observing the tell tail water or detergent marks that show where the leak has been running. If water comes out immediately it should be relatively easy to see where it's coming from although a Miele washing machine can be difficult to move about. I would disconnect it from the mains and the plumbing. The ensure all the water has been drained out. Then lay the machine over on it's front and try to take off the back panel and bottom plate if possible to see if you can see a split seal or hole somewhere. If you can't get access to look properly there's nothing you can do except get in an engineer.

Whitegoods Help — appliance repair expert and forum host.

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