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The wildest man in town



Member Since: 25 Oct 2020
Location: Boras
Posts: 33
Sweden 1999 Defender 110 Td5 PU Coniston Green
Have you heard this sound from the engine?
Hi everyone,
After two months of standing still, my td5 just suddenly started to make this noise just before it cuts off.
I know it’s lot a lot to go from, but anyone having a clue?
If I ignite again it will do the same process again, run a little bit and then make the noise.

Here’s a video of the sound https://youtube.com/shorts/FiDk_vPUDOw?si=D-zLkBOLtC2puHJf
Post #1047860 6th Oct 2024 11:44am
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andylee



Member Since: 29 Jun 2016
Location: South East
Posts: 91
United Kingdom 
Sounds to me like the starter is re engaging… but hard to tell from the clip.
Hope you get it sorted,
Post #1047879 6th Oct 2024 2:18pm
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5602
2006 Defender 110 Td5 USW Zermatt Silver
Check the harmonic balancer / bottom pulley and see if it’s failing.
Post #1047891 6th Oct 2024 4:42pm
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The wildest man in town



Member Since: 25 Oct 2020
Location: Boras
Posts: 33
Sweden 1999 Defender 110 Td5 PU Coniston Green
Thank you very much for the response! Haven't found the issue yet and will have it towed to my repair guy for further investigation.
Post #1048171 9th Oct 2024 8:46pm
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The wildest man in town



Member Since: 25 Oct 2020
Location: Boras
Posts: 33
Sweden 1999 Defender 110 Td5 PU Coniston Green
My repairman was busy till end of November, so here I am again 😅

Removed the alternator belt and ignited/ran just fine. So the issue is somewhat connected there.
All the things the belt touches seems fine by hand touch. Any ideas of further trouble shooting, or should I replace things one by one starting with the harmonic balancer?

Thank you 😘

Last edited by The wildest man in town on 16th Oct 2024 7:04am. Edited 1 time in total
Post #1048814 16th Oct 2024 6:38am
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jim4244



Member Since: 13 Apr 2014
Location: Bedfordshire
Posts: 753
England 2007 Defender 90 Puma 2.4 CSW Zermatt Silver
The belt tensioner can cause a lot of noise when it begins to wear out and fail. I would start with that.

Jim
Post #1048816 16th Oct 2024 6:53am
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The wildest man in town



Member Since: 25 Oct 2020
Location: Boras
Posts: 33
Sweden 1999 Defender 110 Td5 PU Coniston Green
Thanks Jim!

I'll try replacing the tensioner for sure!

Edit
So I'm thinking it's either the tensioner, harmonic balancer or the PAS pump.
But not really sure there's an issue with the harmonic balancer since it doesn't make the sound without the belt but still moves during idling?

Any ideas? 🤗
Post #1048817 16th Oct 2024 7:23am
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