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Post by iammen on Oct 30, 2023 19:30:34 GMT 1
I replaced the timing chain and the v belt with tensioner on this engine. It's the 1.2 tce from renault. Engine is running good, but after a Day this "cluncking" sound appeared. Anyone now what this can be? Crankshaft pulley maybe? Or oilpump? Clip in link below streamable.com/dz5bat |
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remmington
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Owns Spark Eroder
Posts: 4,968
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Post by remmington on Oct 30, 2023 20:28:32 GMT 1
Watched video - a few times - engine looks good and dry - bottom pulley not jumping about - but noise is a sort of "jump"....?
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Post by iammen on Oct 30, 2023 21:42:54 GMT 1
Thanks for listening. The sound is like woesh woesh woesh etc. slight sucking sound. You can hear it only when stationary. Car drives great. Only thing I can think of is one of the pulleys is bad. Or maybe some silicone gasket got stuck somewhere in the engine and the oil pump is making that sound. I will remove the v belt on Friday and will listen if the sound is still there. Hope it's not to bad...
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Post by valhalla on Oct 30, 2023 21:48:21 GMT 1
Check the poly-V belt down its edges - that's the auxiliary belt you have just renewed.
What make was the belt? Was it a well-known brand like Gates / Hutchinson / Dayco ?
I think the noise might be something delaminating down one edge or another, possibly a damaged rib during fitting. It might be well worth taking this belt off and giving it a close look, if nothing else stands out. If a rib starts to "peel-back" from this sort of belt, it will throw it off the pulleys, so it needs investigation. I have heard this sort of noise before, and that was a Ford where a rib was flapping back from the substrate and rubbing each time it went round the complete auxiliary pulley-run - there will always be one pulley that will be tighter for width than the rest.
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Post by Rhubarb on Oct 31, 2023 11:55:38 GMT 1
Remove the drive belt, check pulleys and tensioners for excessive play and noise..Start engine for 30 seconds with drive belt removed to see if noise has gone.
I suspect the drivebelt tensioner.
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Post by iammen on Oct 31, 2023 16:30:20 GMT 1
There's a new gates serpentine belt on it with a new skf tensioner. I will remove the belt on Friday and will check the belt and all the pulleys. Will let you know the outcome.
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Post by Rhubarb on Nov 21, 2023 21:32:40 GMT 1
Any joy with this?
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Post by iammen on Nov 25, 2023 22:23:49 GMT 1
Because of all the rain here I haven't had a chanceto look at it... But after a long drive a week ago the sound went away. Not a really satisfying answer:)
Still thanks for all the help!
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Post by chippie on Nov 25, 2023 22:41:35 GMT 1
Well hope you got vehicle recovery….  |
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