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Powerglide help needed

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Old Apr 11, 2012 | 04:54 PM
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Default Powerglide help needed

It's a 1964 coupe with a powerglide, has been sitting in stoarge for a few years, pulled it out got it running. It had leaked transmission fluid so added fluid, let it idel and warm up, did not drive then let it sit over night no leaking. Next day I drove it to work (less than 6 miles and it shifted fine) after about 3 to 4 miles I noticed smoke in my rear view mirror, I pulled over and looked underneath, transmission fluid was blowing onto the exhaust pipes and burning. I took it to a shop that I use just down from my office. They put it on a lift, said all seals were leaking, so pulled transmission and replaced all seals. On the third test drive (which was longer distance about 5 miles one way) it began smoking, fluid was blowing on the pipes. They say it is coming from the vent hose. What would cause this and how to fix?

Thanks, if anyone can help.

Oh, after the test drive it was put on lift and would not leak or blow out while running.
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Old Apr 11, 2012 | 05:13 PM
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Oil level too high?
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Old Apr 11, 2012 | 05:23 PM
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Shop said they didn't over fill, and I left it a little low on the dipstick when I first filled. Thanks for your reply
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Old Apr 11, 2012 | 06:54 PM
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What vent TUBE?
Could you tell if it was the right side leaking oil (the dip stick TUBE seal may be bad)! ( my best bet) Or the left side modulator may be bad .
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Old Apr 11, 2012 | 07:34 PM
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Originally Posted by 1955 copper
What vent TUBE?
Could you tell if it was the right side leaking oil (the dip stick TUBE seal may be bad)! ( my best bet) Or the left side modulator may be bad .
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Old Apr 11, 2012 | 09:06 PM
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Thanks 55 I'll check with the shop on that tomorrow. I'll let you know what I find.

Last edited by buzntod; Apr 11, 2012 at 09:09 PM. Reason: Thanks to Trophy Blue as well
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Old Apr 11, 2012 | 10:00 PM
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Originally Posted by buzntod
It's a 1964 coupe with a powerglide, has been sitting in stoarge for a few years, pulled it out got it running. It had leaked transmission fluid so added fluid...
I'm sure you added fluid based on what the dipstick says, and that you checked the fluid level on the dipstick with the engine running and the gear selector in nuetral. Just making sure.
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Old Apr 11, 2012 | 10:39 PM
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Thanks Randy G, I did when I filled, but I'll double check with the shop.
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Old Apr 16, 2012 | 11:19 PM
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From: Dothan AL
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Well I got it out of the shop Friday, took it home so I could check it myself to be sure where its leaking. After cleaning and driving a few times I took a piece of heater hose and put it over the vent nipple and routed it to the outer frame rail and took a test drive, got back and fluid was dripping from the hose and there was no other fluid anywhere. It's definitely coming out of the vent. Looks like trans needs to come out, anyone ever had this problem,any ideas?

Thanks
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