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Old 07-24-2011, 12:15 PM
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ps2cho ps2cho is offline
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Join Date: Jun 2006
Location: Chandler, Arizona
Posts: 3,525
Thats it! Its the cat!

This is adding up now.
Another reason: About 6months prior to the issue, I was noticing vibrations on the freeway (load only) at ~90mph.....3months later, its vibrating at 75mph, then after the overheating, 65mph.

It would VANISH as soon as I let off the gas. Its obviously exhaust backpressure causing it. So the issue has been creeping up on me, but it finally gave out after the running hot.
I thought maybe my center bearing was going bad, but the fact that it did not vibrate when I let off the gas just didn't add up in my head at all....

It all makes sense now!
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