Engine Rattle?

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98R/T
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Engine Rattle?

Post by 98R/T » Fri Feb 23, 2007 5:08 pm

O.k., so the deal is that I have this loud rattle in my engine once i get it warmed up. At about the 2200-3000 RPM range, if I feather the accelerator, a rattling noise starts to be heard. The noise only happens under load, not if the accelerator is not pushed. I've popped the hood and it is def. coming from the head. This has been going on for awhile, but I haven't had any problems with the performance out of it but it is so annoying. I don't think it is a rod, because if it is, the engine would be blown by now. I have a video of it in the link below. Any help is greatly appreaciated.

http://www.youtube.com/watch?v=fmifX2LeV1k
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fusion210
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Post by fusion210 » Fri Feb 23, 2007 5:15 pm

My PCV valve makes a wierd rattle sometimes. Grab a hold of it and give it some gas, see if it rattles in your hand. You could be lucky!

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Post by Lackof » Fri Feb 23, 2007 5:56 pm

hmm .. kinda hard to tell from that video i didn't hear anything rattling? I think the engine noise cutt it out.

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98R/T
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Post by 98R/T » Sat Feb 24, 2007 12:17 am

it's not the PCV because its coming directly from under the valve cover.. could be possilbe lifter issue, maybe?
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98DOHCSport
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Post by 98DOHCSport » Sat Mar 10, 2007 10:11 pm

IF its comming from the head it could be either a spring or a lifter or a rocker
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