Oil pan leak? Nope!

[30 PSI SHADOW]

Leaking in the rear near trans, pan has been off 6 times with new gaskets. Still leaks. Not rear main seal as it's dry by flywheel. Is there a retainer there ? Got frustRated and brought it to my mechanic, and using a borascope still can't find it

[cordes]

If it's a 5 speed could it be leaking through the input shaft seal?

[turbovanman²]

Oil galley plug on the block, common leak point. I wish all machine shops would tap it for a 3/8 pipe plug and be done with it, same for the front.

[Directconnection]

Oil galley plug on the block, common leak point. I wish all machine shops would tap it for a 3/8 pipe plug and be done with it, same for the front.

Yeah, check that Bill.

[RoadWarrior222]

whaddabout trans mount brackets, do some of those bolts go through?

[Vigo]

what about seal retainer to block? Am i thinking of the right motor?

[135sohc]

I'll wager on the oil gallery plug is seeping.

[GLHNSLHT2]

I've seen the rear main seal retainer crack right where it turns to go under the bottom of the block. leaks all the time.

[ohlarikd]

My car was leaking between the trans and block area for a year. I resealed the oil pan twice. No luck. Finally got fed up and removed the trans. Oil galley plug fine, rear main fine... leaky trans input shaft seal (as someone mentioned). Easy to replace (once you spend forever getting the trans out). Fixed.

---------- Post added at 12:47 PM ---------- Previous post was at 12:42 PM ----------

I will say oil leaks are incredibly frustrating, I feel you pain. It is very hard to tell where it is coming from. Since I had the trans out, and had no intention of doing it again, I resealed every case cover or extension that could come off. I replaced the axle seals as well (use real MOPAR seals!).

However, it was clear that the main culprit was the input shaft seal since I could see oil thrown all over the bell housing.

Derek

[30 PSI SHADOW]

we have a possible winner! trans is out, oil galley has been tapped and plugged. thing is, there was no sealant on it! it was wet there, but not 100% sure that was it. could it leak that much? rear main fine, retain looked fine, trans fine.

[cordes]

we have a possible winner! trans is out, oil galley has been tapped and plugged. thing is, there was no sealant on it! it was wet there, but not 100% sure that was it. could it leak that much? rear main fine, retain looked fine, trans fine.

Well, the first step is always identifying the source of the problem. Sometimes that's the hardest one and I sure hope it's the case here.

[turbovanman²]

we have a possible winner! trans is out, oil galley has been tapped and plugged. thing is, there was no sealant on it! it was wet there, but not 100% sure that was it. could it leak that much? rear main fine, retain looked fine, trans fine.

What do I win?

Glad you found it,

[30 PSI SHADOW]

Hoping so!!

[thedon809]

I think I am going to use mopars new tri bond rtv when I build my next engine. Stuff hardens like concrete.

[86Shelby]

It is good stuff, as long as you don't have to take those items apart.

[black86glhs]

GM had a clear RTV that was the same way. Had to pull some VCs from a 3.8 many years back 2 days after another tech put them on......holy hell!!!! That new mopar rtv is supposed to be very good.

[Directconnection]

GM had a clear RTV that was the same way. Had to pull some VCs from a 3.8 many years back 2 days after another tech put them on......holy hell!!!! That new mopar rtv is supposed to be very good.

The engine shop I was working at until recently used this stuff that was THE ballz after trying everything under the sun. Stuff was expensive and came in a metal tube 10" long with it's own propellant like cheeze whiz. It was from Australia and we bought it in cases.... damn I forget the name now! White and green tube and was clear. We had soooo many engines on the dyno that were total rush jobs... and this stuff had just been applied minutes earlier and no leaks on the dyno/track.

They even used this on exhaust header flanges and bolt holes that lead into water and always worked.

Konica? Man, my memory really sucks....

OK, I was close, but here it is: http://www.mckanica.com/index.php/Si...-Silicone.html

This stuff is badazz. Like I said, seen it with my own eyes seal leaking header flanges on the dyno, and that was with only a 5-10 minute set!

[turbovanman²]

Just use anerobic on the seal retainers, if properly prepped, it won't leak.

[Directconnection]

Just use anerobic on the seal retainers, if properly prepped, it won't leak.

I agree.... but people were talking about kick-azz sealants. So.... I told them about one killer product that is probably the best out there for those with problematic issues.

[boboli]

we have a possible winner! trans is out, oil galley has been tapped and plugged. thing is, there was no sealant on it! it was wet there, but not 100% sure that was it. could it leak that much? rear main fine, retain looked fine, trans fine.

When I first put my car together and knew nothing about these motors, I had a terrible oil leak. It just gushed out. The motor was rebuilt by a machine shop guy I knew, so I figured he knew how to assemble a motor. After pulling the tranny 3 times in 2 days, and even replacing the oil galley freeze plug, I tapped the oil galley and have never had a problem again. It never looked like it was leaking from the galley hole but once it was tapped, my leak went away.