My '81 300D had the U-shaped vent pipe.
Tom Potter
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Peter Merle
Sent: Tuesday, February 20, 2007 1:41 AM
To: Mercedes Discussion List
Subject: [MBZ] Water pump vent pipe
Discovered that my 79 300D
Discovered that my 79 300D ( non turbo ) does not have the vent pipe
from water pump housing to head as it should have according to the parts
list. Could this explain erratic temperature fluctuations as I suspect
that air pockets are forming in the engine due to cavitaion or whatever.
Later Om617 (
