I’m not sure what else I can do here. This is my third attempt at sealing this tranny pan. This last time I bought the $40 lube locker premium gasket and it’s leaking worse than my previous 2 attempts. I torqued to spec, used a criss cross pattern, and still no luck. I gave it a little more to try and stop the leak and it changed nothing. This really shouldn’t be so hard. I have burned through $100 in tranny fluid at this point. I think next I will buy a new pan and maybe some Mopar RTV and try and go without a gasket?
Cannot get transmission pan gasket to seal
- Thread starter Slow Eddie
- Start date
Have you confirmed that the trans pan isn't warped? Do you have a flat surface that you can confirm is perfectly flat? A granite/stone countertop is usually flat enough. Put the pan on the countertop with the mating surface down. See if it rocks back and forth at all. If you don't have a granite/stone countertop, then I would recommend you spend $40k and 6 months of time an a full kitchen remodel to make sure you have a flat surface to test the flatness of the trans pan.
Thank you for your help. I have a quartz countertop that seems flat enough so I laid it down flat and while it doesn’t rock it does wiggle a bit. My wife looked at me a little funny when I whipped out the ball peen hammer and started whaling away but I need to get this resolved for my own sanity. I think a replacement pan may be in my future. I also believe I stripped one of the bolt holes since now it just spins before it takes the proper torque, so now I get to learn how to drill and tap so that’s exciting.
Anyway, I’m off to AutoZone for a tap and die set, some more tranny fluid, and some gasket maker. But first I need to go make a post on how to repair chipped kitchen countertops due to an unrelated issue.
If you are going to get a new trans pan, look at a deep pan with a drain plug in it. It'll make the next trans fluid change so much easier for you.
RTV might just do the trick. If your pan is bent (my engine oil pan did this when it was bent) or you/someone else nicked the mating surface of the tranny housing, it'll leak. Not necessarily hemorrhage fluid, but it'll leak.
Guys, I’m not proud of this and please don’t ban me from the group. I beat my pan a bit but didn’t feel like I was making progress. It seems like the issues where in the areas with the recesses are so there was no good way to get it perfect.
I had an extra Felpro gasket so I used the lube locker on the pan side and Felpro on the tranny side and torqued it up. I figured I had nothing to lose. And lo and behold it sealed. I’m sure at some point it will leak again, so I plan on ordering a new pan and I already ordered a helicoil kit for the bolt idiotically stripped out.
First time out of the garage in 5 years! Getting vitamin D!
I had an extra Felpro gasket so I used the lube locker on the pan side and Felpro on the tranny side and torqued it up. I figured I had nothing to lose. And lo and behold it sealed. I’m sure at some point it will leak again, so I plan on ordering a new pan and I already ordered a helicoil kit for the bolt idiotically stripped out.
First time out of the garage in 5 years! Getting vitamin D!
Are sure it’s the pan? A selector shaft seal leak will run along the pan edge.
There may be an accumulator cover on the side that could leak also. Should be a round cover. Do you have a picture of the pan and gasket you pulled off?
THIS.
Virtually every TJ trans leak other than an input shaft will run to the pan. There are tons of places where these transmissions can leak, anymore I pretty much assume it isn't the pan until I've proven it isn't anything else.
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