M9R diesel;loud vacuum equalising noise when ignition turned off on 2012 Nissan Xterra

Does not happen when vacuum line from egr or turbo disconnected

by in Wake Island, HI on September 17, 2013
1 answer 1 comment
ANSWER by , September 17, 2013
under warranty at dealer
COMMENT by , September 25, 2013
Thanks, i know how to ask a dealer. I was hoping someone might know the problem,