Oil leak frm rear main seals or pcv valve.Can PermaTech oil stop leak be use? on 2000 Mercedes-Benz S500

Just noted on 160,000 miles.

by in Helotes, TX on April 25, 2012
1 answer
ANSWER by , April 25, 2012
is the pcv system working properly and no don't seal it.its there so the eng. can breath