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Strange rattle on cold starts
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Topic: Strange rattle on cold starts (Read 3985 times)
stroudy007
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Strange rattle on cold starts
«
on:
December 17, 2017, 03:03:40 pm »
I'm getting a strange rattle/clatter on cold starts which increases with the revs, goes away after about 30 seconds. No dash lights on or fault codes. This video (Not mine) is exactly what I'm hearing) Anyone had this issue? Cheers!
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d4t_pom
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Re: Strange rattle on cold starts
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Reply #1 on:
April 05, 2019, 05:28:33 pm »
Check the cam chain+tensioner or it is the chain+tensioner on timing belt side connected to the oil pump.
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Ripstop
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Re: Strange rattle on cold starts
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Reply #2 on:
April 17, 2019, 09:17:38 am »
Sounds a little like oil starvation on the top end at engine start and cams aren't fully lubed. Do you get the same when starting after its hot? Also I would drop the sump and check the strainer.
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Stage 1 2007 Black Eddy #1000 - VCDS Hex+Can (Novice coder). H&R springs, newish Bilstein B4's. Gen 3 Steering rack, Helix organic. The car is *always* work in progress fixing and upgrading things.
pudding
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Re: Strange rattle on cold starts
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Reply #3 on:
April 17, 2019, 12:10:38 pm »
A worn VVT adjuster can get a bit rattly on a cold start-up.
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2007 ED30 | 2009 TDI 140 | 2016 BMW 330D
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