metalic noise at start up - BMW Luxury Touring Community
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post #1 of 3 Old Jul 14th, 2010, 9:37 pm Thread Starter
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Join Date: Jul 2004
Location: Clinton Township, MI, USA
Posts: 371
Question metalic noise at start up

I have an '03 LT with 40K miles on it.
Over the last season or two, I have noticed a metalic noise that seems to be "In Time" with the engine revolution at start up. This noise goes away close to immeadiately once the engine starts up.

However, this morning the metalic "Clinking" stayed with the engine for a revolution or two once it started.

I would describe the noise as a "Light" metal to metal sound. Similar to the noise you might get when clanging 2 spoons together.

It is present when the starter is first turning over the engine and then sometimes for a split-second after ignition.

Once the engine is started, you can imeadiately turn it off and the noise will not occur durring an immediate re-start.

It also seems to be more prevelant when the engine has not been started for a few days.

The engine runs fine once started.

Any ideas?
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post #2 of 3 Old Jul 14th, 2010, 11:14 pm
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Join Date: Sep 2009
Location: Mountain Home, Arkansas, USA
Posts: 70
Re: metalic noise at start up

May be a timing chain rattle until the tensioner get oil pressure and takes out the slack.

Curtis Traylor
Mountain Home, AR
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post #3 of 3 Old Jul 15th, 2010, 10:47 am Thread Starter
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Location: Clinton Township, MI, USA
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Re: metalic noise at start up

At 40K miles, should I look at replacement?
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