Transfer case is bleeding!

**f18framer** · 09-30-2019

Good evening,
I have an issue with the rear output shaft on my transfer case. It is a 2012 ram 2500. I just replaced the seal last weekend from it leaking a little bit. While I was in there i went ahead and changed the transfer case fluid as well. Now this thing is leaking profusely when I drive. Enough that when i parked the exhaust was smoking from all the oil. Once parked not a drop comes out. I checked the vent tube and I blew into it to check if it was blocked. It gurgled a bit but flowed freely. The yoke had no wear to it at all. Looked brand new. I'm at a loss why this thing is leaking again and worse at that.

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**watersupply189** · 09-30-2019

Originally Posted by f18framer

Good evening,
I have an issue with the rear output shaft on my transfer case. It is a 2012 ram 2500. I just replaced the seal last weekend from it leaking a little bit. While I was in there i went ahead and changed the transfer case fluid as well. Now this thing is leaking profusely when I drive. Enough that when i parked the exhaust was smoking from all the oil. Once parked not a drop comes out. I checked the vent tube and I blew into it to check if it was blocked. It gurgled a bit but flowed freely. The yoke had no wear to it at all. Looked brand new. I'm at a loss why this thing is leaking again and worse at that.

Maybe a faulty seal?

2016 Ram Laramie 3500, G56, 6.7, MM3 by Double R Diesel, Rough Country Leveling, HID headlights, Morimoto LED fogs plus a whole lot more!

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**f18framer** · 10-01-2019

I replaced the seal last weekend. I'm gonna try again. Maybe I pinched it putting the drive shaft or somthing. Didnt know if anyone else had similar issues since I know this is a common problem for them to leak

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**watersupply189** · 10-01-2019

Originally Posted by f18framer

I replaced the seal last weekend. I'm gonna try again. Maybe I pinched it putting the drive shaft or somthing. Didnt know if anyone else had similar issues since I know this is a common problem for them to leak

Keep us informed what you find.

2016 Ram Laramie 3500, G56, 6.7, MM3 by Double R Diesel, Rough Country Leveling, HID headlights, Morimoto LED fogs plus a whole lot more!

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**f18framer** · 10-02-2019

Well I replaced the seal again tonight. Noticed that it looked like it had slowed down and almost stopped leaking. Being an aircraft mechanic, i immediately assumed that it was out of fluid LOL. Checked the fluid level in the case after getting home and couldn't see any fluid so it scared me a bit. Luckaly that seal is only like a 20 min job. I cleaned it and greased it really well before installation and was super careful putting the yoke back in. Topped off the case and found that it had leaked about a quarter of a quart in about a week and a half. ( I drive about 88 miles a day to get to and from work). Hopefully this stops.

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**f18framer** · 10-10-2019

Well it's been about a week and a few hundred miles of driving and not a drop out of it after replacing the seal again.

I put the drive shaft in like the seal was made of glass this time and put the truck in neutral to alight the rear on the diff instead of trying to align by rotating the spline.

Finally successful!

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