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insulated tube

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Old 01-13-2019, 12:47 PM
Michael JK
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On my 2002 Dakota 4.7L there is a black tube that runs across the engine right in front of the throttle body. That tube has what appears to be neoprene insulation around it. Mine and several I saw on YouTube videos have totally disintegrating insulation. Is the insulation important and is it a specific OEM part or a generic pipe insulation?
 
  #2  
Old 01-16-2019, 04:16 PM
Michael JK
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Might this be the crankcase breather tube? I have not been able to find a diagram.
 

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