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Join Date: May 2006
Location: Tampa, Florida
You can remove the cap from the end of the ACCT's and turn the screw manually. If the noise stops, you found the problem. If it doesn't, then something more serious is up.
Remember, there are (2) ACCT's, one on each cylinder, on the back side. You have to remove the coolant tank on the right side to get to the one on the rear cylinder.
If the ACCT spring(s) are broken, or bad, turning (and holding) the screw will simulate a healthy ACCT, which will stop the noise.
Let us know.
And FWIW, have heard of very few (maybe none) issues with a sound that wasn't an ACCT or two.
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