4Th Drain Pump
Hi,
I have a Bosch Classixx washing machine and need to replace the drain pump approx once a year. It's always the same problem: The impeller comes of the drain pump. I tried pushing it back on but usually only lasts a couple of washes. Is this normal? Is there a proper way to get the impeller back on the pump? Nothing seems broken. The drain pump is not blocked when this happens. No debris.
Suggestions are very welcome.
Thanks,
Peter
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.
Bosch Classixx drain pump impeller repeatedly coming off
- The problem
- A Bosch Classixx washing machine was reported to need a drain pump replacement about once a year because the drain pump impeller keeps coming off. Pushing the impeller back on only lasts a couple of washes. The poster stated the pump was not blocked and there was no debris.
- Likely cause
- The accepted reply said this is not normal and suggested the impeller fixing method may be unusual or that something may be broken. It appears the impeller should click onto the plastic part secured to the rotor shaft, but the rotor would need to be held still for it to engage properly.
- What fixed it
- The accepted advice was that the impeller should click fully into place on the rotor assembly rather than simply being pushed back on. No confirmed repair was documented, and the thread does not confirm whether the pump, impeller or another part was replaced successfully.
- Checks to try
- Drain pump checked for blockage
- No debris found
- Impeller repeatedly comes off the pump
- Impeller refitted previously but only lasts a couple of washes
Safety: Further diagnosis should be carried out by a suitably qualified appliance engineer.
1 Answer
No most washing machines never even need a pump replacing. It looks like a weird way the impeller is fixed on (unless something is broken). It appears as though the impeller should click into place onto the plastic bit secured to the rotor's shaft but in order to do that the rotor needs holding in place somehow. If you just put it on and turn to the left or right the impeller would just turn and it wouldn't click in place.
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