Thread: What valve is this?
View Single Post
  #2  
Old 04-21-2010, 04:32 PM
winmutt's Avatar
winmutt winmutt is offline
85 300D 4spd+tow+h4
  
Join Date: Apr 2006
Location: Atl Gawga
Posts: 9,346
The overboost valve of course... Usually plugged or stuck open. You can bypass but its worth having there in general. What you should also do is get rid of all the vac crap on top of the valve cover.
__________________
http://superturbodiesel.com/images/sig.04.10.jpg
1995 E420 Schwarz
1995 E300 Weiss
#1987 300D Sturmmachine
#1991 300D Nearly Perfect
#1994 E320 Cabriolet
#1995 E320 Touring
#1985 300D Sedan
OBK #42
Reply With Quote