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Should I use stop-leak?

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Old Aug 27, 2004 | 12:03 AM
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Default Should I use stop-leak?

The auto tranny on my 76 leaks a bit. I have to add 1/2 quart every saturday. Odometer says 16,000 which I believe is 216,000. Should I use tranny stop leak or will it just cause more leaks (I heard it can cause leaks as it reconditions the seals)? Thanks!

Brett
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Old Aug 27, 2004 | 12:33 AM
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I would just get it fixed if I were you, would be a good time to fully inspect it as well to stave off any potential further problems.
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Old Aug 27, 2004 | 12:50 AM
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Where is it leaking? A pan or rear seal leak is an easy fix. Front seal is a "bah, screw it, performance rebuild" fix.
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Old Aug 27, 2004 | 08:18 AM
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Maybe just a few pan bolts are loose
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Old Aug 28, 2004 | 12:06 AM
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Honestly, I haven't even had her in the air to check under her since I bought her 2 weeks ago! The tranny feels great so I haven't really sweated it.

Anyone use the stop leak before? I might add just a little to see what happens. Gonna try to run over to a place with a lift tomorrow and just get her in the air and look around too! Thanks!

Brett
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Old Aug 28, 2004 | 08:39 AM
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Most trans stop leak is basically brake fluid I am told. It may swell the seals for a little bit, but with the volume you are talking I doubt it will last long. I would just bite the bullet and fix it. I wouldn't want to get stranded if that front seal goes. At least see where it is coming from.
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Old Aug 28, 2004 | 08:44 AM
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personally, I think products like that are just a bandaid...and not a very good one either...I would never use it...
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Old Aug 28, 2004 | 10:01 AM
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Originally Posted by wilsoncj6
The auto tranny on my 76 leaks a bit. I have to add 1/2 quart every saturday. Odometer says 16,000 which I believe is 216,000. Should I use tranny stop leak or will it just cause more leaks (I heard it can cause leaks as it reconditions the seals)? Thanks!

Brett
IMHO, adding any sort of Stop Leak product is a bandaid. IF all of the pan bolts are tight and there aren't any obvious lines or fittings that are loose, then you may just have a worn out Turbo 350 Trans. Get it rebuilt. The good news is that any resepectable shop can rebuild the turbo 350 and 400 transmissions easily and fairly economically.

Gary
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