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Old 10-21-2020, 12:33 PM   #11
1976gmc20
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Join Date: May 2015
Location: Montana
Posts: 3,696
Re: Temp gauge in heater hose, will this work ?

Quote:
Originally Posted by blazer2007 View Post
Yes valve is still in place and is still a closed system. I didn,t know what that was called.
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.
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Current/past Chevy/GMC trucks:
1958 Chevy C-60; 1965 GMC C-50; 1965 Chevy C-10; 1971 Chevy K-10; 1973 Chevy K-20; 1976 GMC C-20; 1977 Chevy C-10 Suburban; 1980 Chevy K-10; 1989 Chevy K1500; 1991 GMC V1500 Suburban; 2016 Chevy K2500 HD

Other vehicles: 1988 Jeep XJ; 2011 Toyota 4Runner
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