what are the best gaskets for 440 oil pan and 727 trans pan?

[munger77]

Either my bolts holding the pans are coming loose or I need some new gaskets for my 68. Has a 1977 440 in it and a 727 automatic.

I was told by someone the other day to use metal core vs. cork. Anyone have a link to ones that are LEAST likely to leak? Hoping to have a dry garage floor, LOL.

 

[Billccm]

I just bought fel1834 for my oil pan. I'll let you know how it works.

 

[moparnation74]

Sure it is the gaskets? Not a rear main, cam plug, valve cover etc....

I have always used felpro cork and never had problems but you have to install them properly....

 

[munger77]

not totally sure moparnation74: i'll have to put it up on a rack and take a real close look. Lmk if you have tips on how to find the exact location of the leak. Spray brake parts cleaner on/around the bottom of the pans, wipe it down, run the car a bit and look with a flashlight is what I was thinking. I appreciate your experience and help

 

[moparnation74]

not totally sure moparnation74: i'll have to put it up on a rack and take a real close look. Lmk if you have tips on how to find the exact location of the leak. Spray brake parts cleaner on/around the bottom of the pans, wipe it down, run the car a bit and look with a flashlight is what I was thinking. I appreciate your experience and help

I would first do a visual inspection prior to cleaning it off......

Typically, valve cover leaks on the rear outer corner.....4spd/AT remove the inspection cover and shine a light to see if wet and if convertor/flywheel is wet etc......

If the pan is wet on the front area below timing cover then it is a pan gasket issue on the front......

If all those check out fine the last area is the rear main and that is a wet area on the rear of the pan and on the front of the inspection cover for AT and drips through the weep hole on both covers 4spd/AT

 

[Billccm]

Mine is leaking at both front corners.

 

[rlem1977]

For the trans pan, as suggested above, Brakleen the area so you might be able to pinpoint the leak location. Make sure pan flange is true. I have had good luck with cork/rubber ones - Mr. Gasket or Mopar. Make sure you use a torque wrench and tighten to the correct tightness - 150 inch pounds/12.5 foot pounds.

For the engine oil pan I like the Fel-Pro 1834.

Good luck.

 

[moes]

727 transmission gasket - Mopar transmission gasket 2464324AC. Made of hard plastic, it's reusable and you will never have a leak again or replace it.

 

[YY1]

I have a solid silicone trans gasket $35 but no leaks and reusable as well.

 

[not so famous bob]

I have a solid silicone trans gasket $35 but no leaks and reusable as well.

try star washers too.

 

[wyrmrider]

oil pan leaks can be valve covers or op sender or lots of things like rear main check carefully

 

[themechanic]

If you try the good advice above and still have trouble finding the leak(s) I recommend yellow goggles, a black light flashlight and some all purpose leak detection additive. Just add the recommended amount to your transmission oil and engine oil one system at a time then check for leaks. You need a dark room for this. It works very well.

I think the local auto parts stores sell these, too.

https://www.amazon.com/dp/B015W17OS...a92b-697555a4afd9&ie=UTF8&qid=1524767229&sr=1

 

[Lelo 500]

Transmission pan gasket. Get it from your dodge dealer. No more leaks. Gasket for 518 transmission.