[MR2] MK1 Cooling System Problem
telek2 at att.net
Thu Sep 10 12:01:36 EDT 2009
-------------- Original message ----------------------
From: "Bob Schultz" <bob-schultz at comcast.net>
> Your Radiator cap could still be the problem... I have had a bunch of
> defective even brand name caps.
> If it isn't the cap, check out the sealing area on the filler neck, a chip
> there (and I have seen it) will prevent the cap from sealing.
> If that doesn't seem to be a problem, then you have a leak in the system
> somewhere... it may be a small one but it is preventing the system from
> going into a vacuum when it cools down.
When the engine cools, you should have a noticeable vacuum when you
remove the radiator cap.
Some potential leak spot are the bleeder valves and the radiator drains.
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