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Old 04-27-2013, 06:46 PM   #3
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Join Date: Feb 2013
Location: Salt Lake City, UT
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Quote:
Originally Posted by Jager View Post
The idle bounce could be a number of things but I would get the throttle body cleaned first then test for vacuum leaks.

The rattle could just be chain tensioners.

I have no direct experience with IMS bearing failure but you will have a significant leak on the underside of the motor, then at some later point in time there will be nasty grinding sound just before the motor chews itself to pieces.
I agree with vac leak / dirty throttle body.
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