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Author Topic: Engine Knock ???  (Read 1032 times)

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DaveA

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Engine Knock ???
« on: 21 May 2010, 10:01:18 »
I have a metallic knocking sound coming from the exhaust manifold side of engine when I start up, decreases as rev,s increase, and when engine warm, but never goes away completely.
Help please!!
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    Dave

henryd

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Re: Engine Knock ???
« Reply #1 on: 21 May 2010, 10:12:51 »
is it a knock or more of a tapping sound?
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DaveA

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Re: Engine Knock ???
« Reply #2 on: 21 May 2010, 10:45:47 »
More like a tapping sound, noisy on start-up
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    Dave

bigtow

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Re: Engine Knock ???
« Reply #3 on: 21 May 2010, 10:57:27 »
exhaust manifold gasket mine is the same . nasty job i have been told hoping to find someone local to me ( BIG HINT  ;) ) that knows how to do them in exchange for some folding stuff  sorry just reread your profile you have a 4 pot so maybe not as hard a job on yours
« Last Edit: 21 May 2010, 10:58:46 by bigtow »
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2001 MV6 3.2 manual been converted from 2.6 auto

henryd

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Re: Engine Knock ???
« Reply #4 on: 21 May 2010, 11:35:42 »
could just be a sticky hydraulic tappet,oil and filter change may cure it
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DaveA

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Re: Engine Knock ???
« Reply #5 on: 21 May 2010, 11:50:15 »
Oil, filter, cam belt change 3 months ago
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    Dave

Mr Skrunts

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Re: Engine Knock ???
« Reply #6 on: 21 May 2010, 13:56:09 »
Do they have heat sheilds on them any where? is it loose if there is one?  it could be the cause of a metalicy rattle.
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