This time I stopped and kept the motor idling to see if I could discover
anything else. I saw air bubbling into the expansion tank. In trying to see
where the air was coming from, I followed the plastic loop and noticed that
if I pinched closed the small hose from the right cylinder bank to the
plastic loop - the bubbling stopped.
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Uh, oh.
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Are there places that the cooling system will leak that are not easily
found?
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Yes, the head gaskets.
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Also, how do you check to see if the heads are leaking?
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
You just did. Not having a wasserboxer myself, I am not *positive*, but it
sure sounds like you have a bum head gasket (spilling compression into the
coolant) on the right side.

"Dear Santa,

I have been good all year.
There is only one thing I want this year...."

gmb