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White Residue in the Oil Filler

3K views 7 replies 4 participants last post by  Frankie 
#1 ·
I just changed the oil in my 3.7 Loredo this morning and notices a white film at the top of the oil fill tube. Does anybody know what would cause this? Does the PCV need to be replaced?
 
#2 ·
it's water vapor don't worry about it all of the jeeps with that weird oil fill tube have it. trust me i change oil for 8 hours a day and i see it on every jeep and ram with that fill tube. many other cars have it too.
 
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#5 ·
it's water vapor don't worry about it all of the jeeps with that weird oil fill tube have it. trust me i change oil for 8 hours a day and i see it on every jeep and ram with that fill tube. many other cars have it too.

Would a catch can help this?
 
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