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Junior Member
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27 Posts
Discussion Starter #1
On my dad's '01 2500 2WD with the NV5600 transmission, his output shaft seal on the back of the transmission keeps poping out of the transmission causing a severe fluid loss. It's happend three times within the last month. Any ideas?
 

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Senior Member
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1,415 Posts
your vent could be plugged, pull it off and blow air threw it. your probably going to have to drop the tranny down to reach it though.
 

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milkin cowboy
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182 Posts
Dont starve that tranny for fluid they lock up quick, I always make sure its the right fluid and add extra they need it. Its big money to fix if you can even find the parts now good luck
 

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Junior Member
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27 Posts
Discussion Starter #4
We are running Amsoils Syncromesh transmission fluid which is recommended by amsoil for a NV5600.
 

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Junior Member
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27 Posts
Discussion Starter #5
Is the breather tube on an NV5600 able to be taken out of the transmission, to be checked and serviced?
 
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