View Single Post
  #2  
Old 06-23-2019, 11:07 PM
Diesel911's Avatar
Diesel911 Diesel911 is online now
Registered User
 
Join Date: Sep 2007
Location: Long Beach,CA
Posts: 59,738
On my year of W123 the Black line is not supposed to be connected to anything. It is a vent line that is supposed to go to the inside of the car but it remains open.
__________________
84 300D, 82 Volvo 244Gl Diesel
Reply With Quote