Quote:
Originally Posted by blazer2007
Yes valve is still in place and is still a closed system. I didn,t know what that was called.
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I was going to just remove the valve in mine (1988) but the plumbing adaptions would have been complicated enough that I might as well just wait and maybe convert to an open system sometime in the future. I was going to pull and plug the vacuum line and just wire the valve open but it's at the shop for other issues right now.
IIRC, there are actually two factory heat sensors: one for the gauge and one for the electric fan. I believe the latter is actually in the radiator itself (which is one of the complications of converting closed to open system).
Anyway, cherokee no space forum dot com is where I get my information.