trans pan gasket leaking

[ugabulldog]

So I replaced pan (because of a stripped out drain plug hole) and used a new gasket, cleaned trans body with brake cleaner, tighted in criss cross pattern in three increments to 65 in lbs per specs with new 1/4 Husky torque wrench that came certified. So everything should be sealed good but if you look at the second picture you can that a small amount of atf fluid is visible under the outside lip of gasket (it is like this pretty much all the way around) It is not enough to create any drips, although its only been a few days. I am assuming this is NOT right? Not sure what to do at this point but redo everything again and hope,...??? First pic shows old pan and gasket.

 

[StevieC]

Spray the area with Brake cleaner and wipe down with a rag or blow it with compressed air and drive it around and see if it comes back. If it comes back get a different gasket or check the torque spec of the bolts. I like the solid flat gaskets opposed to this type with the valleys and lips.

 

[andyd]

A cork gasket would swell itself tight. Who knows whatever replaced cork needs

 

[BigD1]

Rubber gaskets are harder to wrench down when they are first installed. It probably has a set in it by now, so just re-torque the bolts, and see if that seals it up.

 

[Warstud]

I'd wipe off the fluid and tighten it up a few more pounds.

 

[ugabulldog]

thanks for all the responses, good suggestions, I will re-torque bolts in same star pattern.

 

[sloinker]

Get a straight edge and check the pan gasket surface for flatness. No good reason to continue throwing gaskets at it if it was over tightened and a wave torqued into the pan sometime in its history.

 

[ugabulldog]

Originally Posted By: sloinker
Get a straight edge and check the pan gasket surface for flatness. No good reason to continue throwing gaskets at it if it was over tightened and a wave torqued into the pan sometime in its history.


it is a new pan, I assumed it was flat.

 

[RyanY]

What is the make/model/year? Are you sure 65 lb. ft. is correct? I have never seen any trans spec over about 9 lb. ft., but I have only done a handful of trans pans.

Edit: sorry, I just saw that you said it was 65 lb. in.! Please disregard that portion of my comment.

 

[TheLawnRanger]

I'm interested to see how it turns out. I think the guys have you on the right path.

 

[demarpaint]

Clean it up, and see if it comes back. If it doesn't you're golden. If it does, re-tighten everything in sequence about 5" lb. tighter. If that doesn't work I'd do the job over.

 

[ugabulldog]

I torqued again to 65 in lbs and got a few bolts to turn a little, will monitor, if it continues will torque slightly tighter. drop pan and redo as last resort, but am hopeful this will work, thanks for the help.

 

[Electrajoe]

Try RTV gasket

 

[spasm3]

What gasket and where did you get the torque specs?

If the torque specs are from the manufacuter, is that and oem gasket? If not, the shop manual specs might not be right for an aftermarket gasket.

 

[BJD78]

I have had good luck on several trans pans with just Permatex RTV gasket maker red or grey both work well on trans pans even with Using only "Gutenite" torque.

 

[ugabulldog]

Originally Posted By: spasm3
What gasket and where did you get the torque specs?

If the torque specs are from the manufacuter, is that and oem gasket? If not, the shop manual specs might not be right for an aftermarket gasket.


specs came from Toyota bulletin, gasket is OEM

 

[spasm3]

Originally Posted By: ugabulldog
Originally Posted By: sloinker
Get a straight edge and check the pan gasket surface for flatness. No good reason to continue throwing gaskets at it if it was over tightened and a wave torqued into the pan sometime in its history.


it is a new pan, I assumed it was flat.


Check them for flatness on a piece of good glass. I'd try going to 6 pound foot and wipe it all the way around, see how it does.

 

[Chris142]

Forget the torque wrench. Tighten them by hand.

 

[eljefino]

Originally Posted By: Electrajoe
Try RTV gasket


not on transmissions unless OE designed (chrysler). RTV can break loose and plug stuff up.

Engine oil pans are less sensitive so it's ok there.

 

[Lubener]

Originally Posted By: Electrajoe
Try RTV gasket

Never do this for a transmission pan.