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Rear Axle Seal Replacement

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kristof

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My rear axle seal is leaking on my 2020 Ram 2500. Passenger side. Do I need special tools to replace it? How hard it is?
 
Last edited:
kristof said:
My rear seal is leaking on my 2020 Ram 2500. Passenger side. Do I need special tools to replace it? How hard it is?
Click to expand...
Which rear seal?

Rear main engine seal
Rear transmission seal
Rear transfer case seal
Rear door seal
Rear cab vent seal
etc???
 
it can be challenging if you have never done one before. But it's pretty straight forward. Watch a few youtube videos. The seal is press fit into the hub. So, you have to remove the axle shaft to remove the hub. The axle also has a seal at the hub. Not sure if this type is reusable. To take the hub off you need to remove the spindle nut. There is a tool for that as well. Spindle hub nut socket. https://torqueking.com/product/1025/qt1025-universal-4-lug-and-6-lug-spindle-hub-nut-socket/

https://torqueking.com/product/11827/tk11827-srw-rear-wheel-seal-for-2019-up-ram-2500-ram-3500/ Little bit of info there.

Exploded view here
https://torqueking.com/xvd281-2019-up-ram-3500-11-5-axle-drw-hub-exploded-view/ Should be similar enough to 2500
 
The axle bearings will need to have their preload set correctly.

Also check the seal surface(s) for grove/nicks and fix before reassembly.
 
dieselscout80 said:
The axle bearings will need to have their preload set correctly.

Also check the seal surface(s) for grove/nicks and fix before reassembly.
Click to expand...
I heard it is best to count how many turns it took to remove the axle nut and to sand with 3000 grit sand paper
 
Pearce said:
it can be challenging if you have never done one before. But it's pretty straight forward. Watch a few youtube videos. The seal is press fit into the hub. So, you have to remove the axle shaft to remove the hub. The axle also has a seal at the hub. Not sure if this type is reusable. To take the hub off you need to remove the spindle nut. There is a tool for that as well. Spindle hub nut socket. https://torqueking.com/product/1025/qt1025-universal-4-lug-and-6-lug-spindle-hub-nut-socket/

https://torqueking.com/product/11827/tk11827-srw-rear-wheel-seal-for-2019-up-ram-2500-ram-3500/ Little bit of info there.

Exploded view here
https://torqueking.com/xvd281-2019-up-ram-3500-11-5-axle-drw-hub-exploded-view/ Should be similar enough to 2500
Click to expand...
Holy smokes I could probably pay someone to replace the seal instead of buying all the tools needed to replace it
 
kristof said:
I heard it is best to count how many turns it took to remove the axle nut and to sand with 3000 grit sand paper
Click to expand...
No you tighten it down and back it off do not sand anything unless it needs it and that tool list is not really needed only the hub nut socket is needed and a tq wrench
 
H3LZSN1P3R said:
No you tighten it down and back it off do not sand anything unless it needs it and that tool list is not really needed only the hub nut socket is needed and a tq wrench
Click to expand...
I watched couple of videos and it seems once you remove the key the nut should come off easy?
 
Is there a certain torque I should tighten that axle nut to with the special socket?
 
kristof said:
Is there a certain torque I should tighten that axle nut to with the special socket?
Click to expand...
Read the linked instructions it has a tq spec with the back off amount to set the bearings.

The Right Stuff is the best gasket maker for general purpose i use it everywhere
 
I'm surprised there is no gasket between the flange and hub. I bought the O ring just in case. $8 won't starve my family. But should I apply the liquid gasket to the flange?
 
Seal replaced. Wasn't bad at all. The only problem I had is I couldn't remove the hub. Seal was somehow stock on the the shaft. I was finally able to remove it but the front of seal stayed on the shaft. Took some time to take it off. Then it went on nice and smooth. So far I don't see any leaks. Had to put little bit more then a quart of oil to top off the case.
 
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