1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

Large Plastic Tube Coming Out of Engine

Old Jun 19, 2013 | 05:04 PM
  #1  
ryanreddick's Avatar
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Question Large Plastic Tube Coming Out of Engine

I'm wondering what this tube is doing. Exhaust comes out of it. Is it a catalytic converter. It doesn't look like it belongs. If it is a catalytic converter is it easy to remove?
 
Attached Thumbnails Large Plastic Tube Coming Out of Engine-top-far.jpg   Large Plastic Tube Coming Out of Engine-top-close.jpg   Large Plastic Tube Coming Out of Engine-bottom-far.jpg   Large Plastic Tube Coming Out of Engine-bottom-close.jpg  
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Old Jun 19, 2013 | 05:57 PM
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blackduck's Avatar
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Crankcase ventilation tube. Lets blowby from rings and/or turbo seals out of the engine.
Without this you would blow the seals and gaskets out of the engine and have a bunch of oil leaks.
 
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