Quote:
Originally Posted by joesohum
thanks for the answer pawo. but wouldnt i get heat all the time if the mono valve was torn. wouldnt it pass hot water all the time. when i am parked i can hear the aus pump running and i can make the mono valve turn on and off by disconnecting its connection. but as soon as i start driving every thing shuts down. do you still think its the valve? thanks for your time
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If the diaphragm is torn the coolant will get past the valve and will not go into the heater core (when engine is at higher rpms) at low rpms it will drift into the core, providing some heat. You don't need to replace the whole monovalve, just get a "repair kit" from fastlane (Buy Parts) at the top of the screen. It will fix the problem. The part you need looks like this:
[IMG]http://www.***************/secure/PartImages/1147213007.jpg[/IMG]
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