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Old 11-04-2011, 12:18 PM   #8
gschotland
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Join Date: Apr 2006
Location: nj
Posts: 389
Quote:
Originally Posted by Dale_K View Post
Try removing the oil fill cap while the screeching is going on. It would be a test for excessive vacuum (bad AOS). Probably not the issue but the test is so easy it's worth a shot.
I recently replaced my AOS. No difference in the startup squeal. Btw, my squealing started >10k miles ago.
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