Volkswagen Passat Forum banner
1 - 2 of 2 Posts

· Registered
Joined
·
751 Posts
Discussion Starter · #1 ·
I've searched around, but not found a conclusive post. After the car has been turned off, should the overflow reservoir make a hissing noise? Or should it hold a vacuum/air tight? I'm trying to track down minor coolant leakage (takes about 3 weeks for the low warning to chime).
 
1 - 2 of 2 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top