Quote:
Originally Posted by mike500sel
ok, I finally pulled the monovalve. There is a slight tear (enough to replace it I guess). I have found ********az has best price on the repair kit (under $40). Upon reinstalling the same monovalve, I've discovered that the heater is working fine and the car NO LONGER OVERHEATS? what the ****? I can leave it in the driveway with the heater off and it will stay at or just below 100*C, hit the throttle and temp will go down another 5-10*. Next step is a citric acid flush (I think the local homebrew supply will give me food-grade citric acid at about $7/lb). Anybody have any insight on why the car stopped overheating?
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Well it sounds like you have no problem any more. Why are you still concerned?
Everything you have posted indicates to me that you had an airbound cooling system. These cooling systems are notoriously difficult to purge air from. Sounds like when you replaced the monovalve you fortuitously also bled the air from the system. Is everything working ok now?