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Home > Technical > Auxillary belt shredding |
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little jimmy Member Since: 18 Jan 2024 Location: Hemel Hempstead Posts: 90 |
So yesterday, driving along at about 40mph, lost power and car cut out. Car ran for no more than 10 seconds after power loss.
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28th May 2024 4:31 pm |
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little jimmy Member Since: 18 Jan 2024 Location: Hemel Hempstead Posts: 90 |
Thanks for the reply Nodge. Hope it has not jumped enough to do serious damage. have to find out a way of checkingto see if it has. |
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28th May 2024 5:16 pm |
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Nodge68 Member Since: 15 Jul 2020 Location: Newquay Posts: 2071 |
Timing pins is the only way to check. Unfortunately it's an interference engine, so timing belt jumping normally results in bent valves Hyundai Ioniq 5 Ultimate. The family car.
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28th May 2024 5:22 pm |
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little jimmy Member Since: 18 Jan 2024 Location: Hemel Hempstead Posts: 90 |
Yikes. I don't like the sound of that. Any other reason that you can think of why the engine management light might have come on under the circumstances ? Thanks for your help by the way. |
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28th May 2024 5:58 pm |
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Nodge68 Member Since: 15 Jul 2020 Location: Newquay Posts: 2071 |
If the timing has jumped, then the ECM will often register a crank / cam timing correlation error, which will result in the MIL coming on. Hyundai Ioniq 5 Ultimate. The family car.
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28th May 2024 7:30 pm |
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little jimmy Member Since: 18 Jan 2024 Location: Hemel Hempstead Posts: 90 |
Cheers Nodge. I will try and check it out tomorrow providing it stops raining. |
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28th May 2024 8:05 pm |
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Badger51 Member Since: 01 Mar 2014 Location: Coffs Harbour Posts: 959 |
The most likely cause is your shredded belt has damaged the CPS wiring/sensor. (Now Sold). 2008 Freelander 2 (Nazca Sand) SE TD4 Auto. Statutory write off & on WOVR for hail damage but still road legal.
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28th May 2024 10:19 pm |
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Nodge68 Member Since: 15 Jul 2020 Location: Newquay Posts: 2071 |
Badger51 has a good point. The CPS wiring is very easily damaged, as it's just a few mm away from the belt which has come adrift. If your lucky, it'll just be the wiring at fault. Hyundai Ioniq 5 Ultimate. The family car.
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29th May 2024 7:54 am |
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little jimmy Member Since: 18 Jan 2024 Location: Hemel Hempstead Posts: 90 |
Thank you for the replies. The sun is out, so going to remove the wheel, and start taking a look.The timing belt was changed in 2022, about 18,000 miles ago. I will disconnect the battery while I do anything, and stick that on charge. I will keep you posted, and thanks again for all the help. |
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29th May 2024 8:32 am |
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little jimmy Member Since: 18 Jan 2024 Location: Hemel Hempstead Posts: 90 |
So I can see straight away that the Aux belt has started to spread, and that the tensioner appears to be out of line with the rest of the cogs. Ie, sitting forward towards the wheel. The wires to the crank sensor look quite oiled up. Going to drop the belt off now. |
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29th May 2024 9:32 am |
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little jimmy Member Since: 18 Jan 2024 Location: Hemel Hempstead Posts: 90 |
So the reason for the belt shredding is that the tensioner has started to fall apart, and split. The problem now is that I can see a bit of shredded belt poking up behind the crank cog. So now I need to look and see how to remove that crank cog in order to see what damage that has done behind the cog. |
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29th May 2024 9:59 am |
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Dave47 Member Since: 31 Aug 2014 Location: Margate Kent Posts: 1331 |
Good luck Jimmie,
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29th May 2024 10:18 am |
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little jimmy Member Since: 18 Jan 2024 Location: Hemel Hempstead Posts: 90 |
So, I have taken off the crankshaft fully, and cleared the bits of shredded aux belt, and given it all a clean. I have given the crank sensor a good clean, and put bit back on.
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29th May 2024 12:25 pm |
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little jimmy Member Since: 18 Jan 2024 Location: Hemel Hempstead Posts: 90 |
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29th May 2024 12:54 pm |
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