Maxxforce 13 how much blowby is acceptable

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{"text":"It is 2012 maxxforce 13, recently bought it with 238k on the clock. Put about 1.5k since and noticed a oily moisture on the top of front axle. Also, crankcase ventilation tube is slightly oily. My question is: Should I replace CCOC along with jet plate now before it creates issues or is it OK to keep on driving like that? How much oil from the tube is no issue.\nThanks for advice\n- Jacob","pics":"[]","canComment":true}