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Rear main seal

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Old Mar 19, 2022 | 02:15 PM
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Default Rear main seal

So I replaced my rear main seal and oil pan gasket. Still leaking oil from the plate what bolts to the transmission. Feel like I put the seal in wrong or didn’t have enough rtv where the seal joins since it’s a two piece seal. Anyone have a picture how the seal should look? Also for anyone doing the rear main seal always prime you’re oil pump unlike me the first time 🤣
my truck is 2001 ram 1500 5.9 4wd
 
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Old Mar 19, 2022 | 06:39 PM
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The seal does go in one way you know, are you sure it isn’t backwards

I have a write up with pictures when I did mine

https://dodgeforum.com/forum/3rd-gen...me-love-2.html
 

Last edited by 95RAM360; Mar 19, 2022 at 06:43 PM.
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Old Mar 19, 2022 | 07:02 PM
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I have a feeling I put the top one in backwards. The one where you take a punch to get it out. I tried to put the side with thicker seal towards the front of engine but it would not go in even after loosing two other crank bearings.
 
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Old Mar 19, 2022 | 08:28 PM
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When I replaced mine a few years ago it leaks the exact same way. No more, no less. And I researched and did it with a mechanic friend by the book.
 
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Old Mar 19, 2022 | 08:35 PM
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Idk how’s yours leaked but it’s raining here so can’t get underneath to look but looks like it’s on the dust cover for the transmission. I’m wondering either didn’t clean it enough, didn’t tighten the oil pan bolts enough or the rear main seal. Cause I put some rtv where the seal connects. If it comes down to it when I get time I’ll just tear it back apart get a new seal and try it again
 
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Old Mar 19, 2022 | 09:01 PM
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Originally Posted by Jake72700
Idk how’s yours leaked but it’s raining here so can’t get underneath to look but looks like it’s on the dust cover for the transmission. I’m wondering either didn’t clean it enough, didn’t tighten the oil pan bolts enough or the rear main seal. Cause I put some rtv where the seal connects. If it comes down to it when I get time I’ll just tear it back apart get a new seal and try it again
When I did a 318 the only way I got it not to leak was a lot of rtv on each side (more then you would think is needed)
 
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Old Mar 19, 2022 | 09:03 PM
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Yeah prolly should have put more I put less than size of penny of each side prolly should have put more. What’s funny is I work at a Chevy dealership so used to chevys now compared to dodges and they are different by a mile at least to me
 
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Old Mar 20, 2022 | 08:33 AM
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Take the plate off and look at the flywheel/crank flange, If it's wet with oil the seal is leaking. If you are not sure spray it with brake clean and clean off the oil then take if for a ride. If it's leaking you will see it.
 
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