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Old 11-13-2013, 08:54 PM   #9
donut
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Join Date: Aug 2009
Location: S.C.
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Re: 1987 GMC Jimmy Temperature Problems

What are you measuring temp with, what gauge?

Btw, if rad is cooler than the thermostat, it will keep fluctuating until it all balances temp wise. At least mine used to.
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