Fluctuating Coolant
Hello All,
I have an 87 w/ a 3.5 that can't seem to make up its mind on what coolant level it wants to be at. For example, a couple of days ago it was a little low so I topped it off (low in the radiator, not the overflow tank, and while it was warmed up). The next day it overflowed from the overflow tank a little after driving it so I figured i just overfilled it. I checked it yesterday, again in the radiator, and could see the first three rows. But this time i left it alone. This morning, i guess it decides it still doesn't like that, and overflows coolant again from the overflow tank. I let it cool off after I drove it home this afternon and the level in the radiator is to the top.
So what gives? I have researched this in an effort to figure it out for myself and all I can come up with is perhaps there is an air lock or bubble in the system. Could this be caused from a leaking head gasket that is allowing pressure to build in the system and then releasing or what? Any help is greatly appreciated. Thanks!
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Greg M
1987 RRC
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