![]() This means that gaskets and seals higher than the pan level which don't normally leak may start leaking. However after a few days of sitting some of the fluid from the converter will drain back into the pan, raising the fluid level. When operating, the proper "full" level of the trans is right at the machined bottom of the case where the pan/gasket is. You need to find where the leak is coming from. I guess I need to see where it's actually leaking from, but I thought someone might have come across this. Leave it 3 days and there will be a small pool. Is pressure building up in the tranny over the few days it sits or what? I can go out the day after I drive it and there will be nothing there. If I fill it back to the proper level, as I said, it will do fine on the track and the street. Very irritating and not good for E.T.'s to say the least. If I make passes at the track in this "1 quart low" condition, the tranny will shift itself from 1st to 2nd. (I haven't knowingly driven it in this condition, I just happen to check sometimes after the fact.) It will get to a certain point and then leak NO MORE. I can drive it like this and it will be fine. HOWEVER, after a couple of days it will leak a bit. It will drive fine and do fine at the track. My problem: I can add tranny fluid to the "Hot" mark on the dipstick when the tranny and engine are indeed warmed up. I use a non-lockup PTC custom 10" converter that flashes to about 3500 RPMs behind my 355. It has been converted to a non-lockup unit with the special Transgo valve for additional lubrication pressure instead of the typical lockup pressure. Every upgrade he knew to do and he says he tries to keep up with this particular trannies updates. ![]() It was built by the highest regarded tranny man in the area. I had it completely gone thru with the typical extra clutch packs, Corvette servo, new reaction shield (?) and a Transgo shift kit, etc. then put up and torque to spec.This tranny is about 1 1/2 years old and probably doesn't have 1500 miles on the rebuild. If sealer is to be used, i highly suggest that it be used by its self and with the same rules i mentioned above, good, clean and dry surface on the pan and case, roughly 3/16 in of sealer evenly spread on the pan and given 10-15 minutes to set. i usually get a good 1/4-3/4 turn extra with my speed handle, and do not have pan leak issues. so when i get back from a road test from one of his builds, i always go back over the pan bolts as the cork will settle and the heat will bond the gasket to the surface. Where i currently work, we use cork gaskets, and the builder always uses a light setting on his impact to seal the pan. as far as torque goes, with a cork gasket, you can see when the torque is ok on the gasket as it will just slightly start to push out from the side. In the perfect world tnsmith10 you could get away with noneĬlick to expand.good point in your 2nd paragraph, but for over 20+ years, as a 2nd generation transmission mechanic and having my father use nothing but cork with NO sealer at all, and just taught to make sure the surfaces are clean and dry. ![]() I've always used Fel Pro myself and never had issues using sealer on the gasket to pan. ![]() I'm not saying this is the only or correct way but face it, a first timer is looking at a good possibility of leaks from installing the gasket dry. Sealer also helps position the gasket that most of the time is folded in the box it comes in which makes it a pain to line up the holes when bolting up the pan. A 1/8th bead will do the trick and 1/4 in. And, KMatch, that's why you give the sealer time to set up before you install the pan, so it doesn't squish out from the edges. I figure he's not going to use a torque wrench and if he has to ask how to do it, he doesn't have the experience to do it by feel. Providing your pan bolts haven't been tightened by Magilla gorilla! To use none on the tranny pan to gasket will be ok if the pan is prepped properly by checking the bolt holes, tapping them flat again, having a good clean surface,Īnd using a torque wrench to keep from over tightening the bolt's. In the perfect world tnsmith10 you could get away with none Click to expand.I've always used Fel Pro myself and never had issues using sealer on the gasket to pan.
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