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Old 10-10-2009, 04:30 PM   #1
Nibras
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s14 Wierd Timing Chain Rattle Inside Motor Head

I can feel the chain hitting the head and hear it . it was not loud but slowly is getting worse and is affecting performance i believe.

is it a loose timing chain or a broken link? what do i need to do to fix it


i think its the timing chain correct? its right in the front of the motor


thanks nibras
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Old 10-10-2009, 04:43 PM   #2
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remove the top and right chain guide. not needed.
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Old 10-10-2009, 06:34 PM   #3
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well come to nissan timing chains, replace or deal with it
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Old 10-10-2009, 06:43 PM   #4
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its mainly the top guide.. Take valve cover off, and you'll see that its broken.. Take it out, and unbolt the other half of it, then put bolts back.

Nissan "Omitted" this guide, so you wont find another one..
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Old 10-14-2009, 09:10 AM   #5
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You also need to check that the chain tensioner is not seized. If you remove the valve cover you can see it on the left side of the chain, you should be able to move it in and out freely. If not, you need to get it unstuck. Check this thread out for some good details and pics.

HOW-TO: Fix Your Timing Chain Rattle: Nissan Articles: Nissan Forums / Infiniti Forums - NICOclub

NOTE: I did not have to remove the lower timing chain guard in order to un-seize the tensioner.
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Old 10-14-2009, 09:56 AM   #6
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I don't get it......my car has all of the timing chain guides in place, and no noises at all, so why do some people have this problems, and others don't?

You would think that all of the dimensions of all of the parts are the same.

I bet people with rattling timing chains have insufficient oil pressure to the tensioner or have worn/crappy tensioners.
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Old 10-14-2009, 11:56 AM   #7
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Quote:
Originally Posted by pinky121388 View Post
its mainly the top guide.. Take valve cover off, and you'll see that its broken.. Take it out, and unbolt the other half of it, then put bolts back.

Nissan "Omitted" this guide, so you wont find another one..
Almost. Do NOT put the bolts back in. If they decide to back out down the road there's nothing stopping them from trashing the entire engine.
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