BAXI 105E Boiler Noisy Pump

So i've managed to order the part but I can't find any video's or tutorials on how to replace it :-)
Think I'm going to ge a good soaking for Christmas.
Andy
 
Update - I fitted the auto air valve but after aproxx 30 minutes, the whining noise came back. I thought i'd fixed it grrr
 
Another update. I ran the Central Heating for approx 1 hour and all was silent. The I ran the hot tap for approx 30 seconds. The noise is back, even with the hot tap turned off.
 
Haven’t inspected the hydraulic venturi yet but here’s a video. The heating had been on for an hour or so before running the hot water tap. This started the noise. So I got the missus to turn on the hot tap for a few seconds and then turn it off again. Take a look.
Thank you DP for the message and I also try that today and it makes sense (a bit like the old school car noise inspection).
Take a look.
https://www.dropbox.com/s/e19y4l3a87gf8vz/baxi_boiler_noise.mp4?dl=0

Thanks to all who are helping me here
Andy
 
you are better to upload your video to youtube, then post a link on here, not many will sign up for third party sites to view it
 
Hi Ian
I don't think you need to sign up - you can just close the popup and view the video.
Please try and let me know
Many Thanks
Andy
 
ok another update - So I just happen to go into the garage (where the boiler is) and was met with a jet of water hitting me in the side of my head (don't laugh).
The place was saoking wet.
There was a jet of water spraying out from a tiny hole in the pressure gauge pipe.
Anyway, I've replaced that today but the noise is still present (I haven't changed the hydraulic venturi yet as I'm still waiting for the part).
I followed the advice from DP and used a long screwdriver to listen to various parts of the boiler and the part making the biggest noise seems to be coming from the plate heat exchanger.
Thanks Guys
Andy
 
ah - thanks Ian
Is that fixable by cleaning it or would it require a replacement?
Thank you
Andy
 
AndyJay2019 said:
ah - thanks Ian
Is that fixable by cleaning it or would it require a replacement?
Thank you
Andy
Click to expand...
Never had to replace, its just little bits of plastic, takes a little time but nothing difficult, your video sounded like a by-pass problem, your boiler might or might not have one, is there a pipe comes out of the rear of the diverter valve or not
 
Just taken a photo of the diverter valve.
Just to clarify - the boiler is quiet when the central heating is initially turned on.
If the hot tap/shower is run, the boiler gets noisy when they're turned off and the central heating is still on.
Hope that makes sense.
Andy
 

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