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The Rubber bushing inside PTU is hard like rock and brittle broken in pieces. Its at the Output shaft going to right intermediate CV axel. (2014 Dodge Journey AWD, 3.6 ltr.)


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2014 Dodge Journey AWD, 3.6 ltr.

The oil was leaking from  the oil seal at the PTU  Output shaft going to right (pass side) intermediate CV axel.

I pulled out the outer rubber seal and found that the inner rubber bushing inside the PTU is hard like rock and brittle broken.

My question is 

1) How to replace that rubber bushing ?

2) If I cant replace it, and i just install a new outer rubber seal, will it stop the oil leak ?

Here are some pics what i m dealing with.

Please let me know your response \ comments.

 

20241203_104249.jpg

Edited by Shriram
added more model info, tags.
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  • Shriram changed the title to The Rubber bushing inside PTU is hard like rock and brittle broken in pieces. Its at the Output shaft going to right intermediate CV axel. (2014 Dodge Journey AWD, 3.6 ltr.)

I have removed the outer seal, and got the new replacement part. I am trying to find the rubber bushing part. But I cannot find it.

Do u know where I can buy that inner rubber bushing ?

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Yes I spoke with Dodge dealership, they said this is not a servisable part. U have to replace the whole PTU. 

I will probably go to a harware store to see if I can find a rubber bushing of that size and if I can insert it. 

Please suggest me if you got better idea of how to stop that leaking oil coming out of  the bushing.

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The oil is held in by the outer lip seal that you have.  The rubber/plastic bushing I think is more of a spacer for the cv shaft end location.  A transmission shop might be able to locate something like that. Or try a different dealer, no one is spending $2k instead of $20 on a bushing. Maybe lazy parts guy.
 

Wrecking yard would be another option. They often have cars have pulled apart so access might not be bad. Could also try just changing out the lip seal you have, leave spacer bushing as is. See if it actually keeps leaking.  Make sure to clean up the surface of cv shaft where inner seal runs really well with scotchbrite etc.  Then put a thin film of tranny fluid on that end of shaft area before sliding shaft back in place. Rubber tears easily.

 

Edited by John/Horace
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I am ending this topic with a happy note. I was able to install new oil seal and i left the inner hard rubber bushing as is. Its not leaking or anything. Its workin fine. 

I was able to add the gear oil in from the vent tube by preheating. This is very important else the oil is really thick and takes a long time to go in.

To aid with the air bubbles to pass, i inserted a thin wire and pulled and pushed it. 

https://photos.app.goo.gl/yLQBoRhYsWEqRTMX8

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Great news.  Viscosity of gear oil is pretty high compared to motor oil. . Even with a suction gun you need to pause a bit, allow trapped air to gurgle back up. Takes a bit of patience.
On level surface, check rear diff as well, you probably have spare oil from ptu job. Oil level should be to the very top of fill hole, if warm it may even ooze out a bit.  Diff also has a magnetic drain plug like ptu.

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