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I have a 2000 jeep grand cherokee Limited, V8. I added a oil additive and there is now a mustard yellow film on the inside of the fill port. Would the additive cause this or is ther something else going on. Antifreeze level is normal and there appears to


what kind of additive?

what kind of additive?

Lucas

Lucas

lucas

lucas

check the pcv system if it's

check the pcv system if it's not working right you'll get moisture build up that may be causing it.
lucas may foam a bit in hot oil, but no flimming.

Will do, thanks for the help.

Will do, thanks for the help.

let us know what you find.

let us know what you find.


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