Thread
:
'84 300SD vacuum problems?
View Single Post
#
2
06-29-1999, 09:12 PM
mbdoc
Moderator
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
Sounds like the vacuum pump isn't working up to par. The fitting at the top of the pump that the large vacuum line(brake booster) bolts to is a check valve. Many times this valve breaks & then the pump can't perform properly. START THERE
mbdoc
View Public Profile
Find all posts by mbdoc