Powerglide Transmission - Chevy Nova Forum
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Old 1st-May-2007, 04:46 PM   #1
caliguy78

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Powerglide Transmission

My powerglide 2 speed transmission leaks pretty bad. It is hard to tell exactly where it is coming from. What do I need to buy to generally get this fixed? Is it usually just a seal or gasket that I can put on myself? I don't want to have to pay a shop to do it for me.
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Old 1st-May-2007, 04:54 PM   #2
Mike Goble
 
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Is there a powerglide with three speeds?
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Old 1st-May-2007, 05:19 PM   #3
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You need a powerglide rebuild kit. I had a B&M Master Overhaul kit that I used to rebuild mine. Includes all seals, gaskets, clutch packs, etc....
Also would be nice to get the Powerglide Transmission Handbook (I think the author was Carl Monroe) It gives pretty clear directions on rebuilding powerglides along with helpful photos.
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Old 1st-May-2007, 05:44 PM   #4
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Well since you don't know where it is leaking I would say buy a jack, climb underneath and find out where it's leaking before anyone can tell you what to buy to fix it.

Could be a pan gasket, loose drain plug if it has one, around the dipstick maybe?

Hard to say.
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Old 1st-May-2007, 06:05 PM   #5
caliguy78

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I'll see if I can't wipe it clean and see where it is leaking from when I get home.
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Old 1st-May-2007, 08:11 PM   #6
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I've fought a trans leak for a little while now and its messy business.
Is it leaking fast (leaving puddles) or slow like a drip here and there?
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Old 1st-May-2007, 08:24 PM   #7
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Looking isn't going to tell you much unless you clean it up first. Stop by the local car wash and get uder there as best as you can. Waste a roll of quarters and wash the crap out of things around the sides and bottom of the trans. Tranny fluid is HORRIBLE about spreading out all over everywhere. To pinpoint a leak it has to be a gusher, or it has to be clean so you can track it to the source.

For the glide the first 'usual suspects' are trans cooler lines, dipstick tube O-ring and pan gasket. If it's not one of those you looking at trans disassembly to fix the leak (front pump gasket / seal, accumilator cover, shift lever seal etc)
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Old 2nd-May-2007, 12:21 PM   #8
caliguy78

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Here are a couple of pics of where I think the leak is coming from. Unfortunatly the car is not driveable at the moment. I ripped out all of the wiring and I am in the middle of putting new harnesses in. The leak is only on the drivers side. When parked, it is just a slow drip. It seems to loose a lot more fluid while driving it.


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Old 3rd-May-2007, 12:01 PM   #9
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Does it make sense that I could have a leak from there? Other than taking out the transmission, how difficult would it be for me to fix it?

I am looking into getting that book mentioned above. It has a lot of good reviews.


I should have the Nova running in about a week. After that, I will get my pressure washer going and clean it really good for a better look.
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Old 3rd-May-2007, 12:06 PM   #10
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It makes perfect sense that you could have a leak from there. The shift lever should have an o-ring seal around it. You'll have to remove the pan to get the lever out.
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Old 3rd-May-2007, 12:17 PM   #11
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Quote:
Originally Posted by Mike Goble View Post
It makes perfect sense that you could have a leak from there. The shift lever should have an o-ring seal around it. You'll have to remove the pan to get the lever out.
+1, so it's a good time to change the filter too.
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