Tailshaft growl? - Ford Mustang Forum
 
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post #1 of 4 (permalink) Old 09-18-2012 Thread Starter
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Tailshaft growl?

Ok, working on my battered and beaten 97 GT. I've already spent an arm and a leg putting her back together after the ex took out the telephone pole...but you have that. And wouldn't you know it, fix one thing, find another.

Running the factory 4r70w auto trans. Got around 110k on it or so now. Getting a growl type noise out of the tail shaft. Not really any vibration, but a lot of noise. Which seems to get worse and worse the longer you drive it. When its cold its pretty much quiet. To me it sounds like a bearing going bad. But all the info I find on it says the drive shaft rides on a bushing and the actual bearing is inside the main body.

Anyone ever have the issue? I already plan to replace the trans completely in the spring, just trying to get her through the winter without having to park it and keep driving the 95 which is already in bad need of suspension work.

Note - the trans was not damaged in the crash, it was all body damage. This issue didn't show itself until months after it was back on the road.

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post #2 of 4 (permalink) Old 09-18-2012
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Quote:
Originally Posted by Reager View Post
Running the factory 4r70w auto transmission. Got around 110k on it or so now. Getting a growl type noise out of the tail shaft. Not really any vibration, but a lot of noise. Which seems to get worse and worse the longer you drive it. When its cold its pretty much quiet. To me it sounds like a bearing going bad. But all the info I find on it says the drive shaft rides on a bushing and the actual bearing is inside the main body.
A worn tail bushing shouldn't growl. I would look VERY CLOSELY at the u-joint bearings.


Stan -
1965 5.0 Coupe /MAF/EFI/Astro A-5 T-5/B303 Roller Cam

Mustang Manual Transmission Specialist
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post #3 of 4 (permalink) Old 09-19-2012 Thread Starter
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I have, that was actually my original thought. So i bought new ones and put the car on stands. However apon inspection they were both nice and tight. Spinning the shaft in neutral reveals 2 noises. The first a slightly dragging right rear caliper which I knew about already. And a squeaking noise from the tail shaft. I had my head right under it, its diffidently in the trans not the drive shaft itself.
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post #4 of 4 (permalink) Old 09-30-2014
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Tailshaft growl

Did you ever find out the problem I am having the exact same issue.
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