5.9 Liter CR Dodge Cummins 03-07 Discussion of 5.9 Liter Dodge Cummins Diesels with Common Rail Injection

leak from Transmission (NV5600)

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  #1  
Old 11-27-2011, 08:47 PM
haulitrite's Avatar
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Default leak from Transmission (NV5600)

I have had a leak coming from the trans for about a year now. Not much leaking, only about a nickle size spot once and a while.

But as of late the leak is seeming to get a little worse and I would like to fix it before I have to fix it.

I have attached pictures to show the placement of the leak.

To help answer some of the questions here are the answers.

NO, It isn't engine oil.
NO, It isn't brake fluid.
NO, It isn't blowing back from the blow by tube. (blow by tube was extended 8'')
NO, There are no other leaks on the entire truck that would allow that drip to occur.

My question is where could this trans fluid be coming from and how hard is the fix.


Thanks,
 
Attached Thumbnails leak from Transmission (NV5600)-trans-leak-004.jpg   leak from Transmission (NV5600)-trans-leak-003.jpg  
  #2  
Old 11-28-2011, 07:33 PM
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The trans fluid could be coming from the front seal where in input shaft goes in. and i have no idea how hard it would be to fix. should be straight forward once the unit is out. found this for you(goes way further then you should have too)http://www.dodgeownerforums.com/smf/...p?topic=6270.0
 
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  #3  
Old 11-29-2011, 03:49 PM
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I would have to guess an input shaft seal too
 
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Old 11-30-2011, 01:46 AM
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looks like front seal, not bad to do at all once trans is out.
 
  #5  
Old 11-30-2011, 10:08 AM
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Never done one but i cant imagine replacing the seal is too hard to replace... Droppin the transmission is the real pain
 
  #6  
Old 11-30-2011, 06:44 PM
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well i cant see any better time then to upgrade your clutch... its coming out anyways
 
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Old 11-30-2011, 08:06 PM
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just take this cover off and you'll see the seal for the input shaft and an oil guide that will need to be replaced as well. then use anaerobic gasket maker to seal the cover back on.
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