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14hatchie · 11-13-2013, 11:14 AM

Thanks for the replies. I still dont know why it flucates. I thought when the thermostat opens, the temp. will stay constant after that. I will try and flush the radiator first then go from there. Thanks again

11-13-2013, 11:14 AM	#6
14hatchie Registered User Join Date: Feb 2011 Location: brownsville tennessee Posts: 37	Re: 1987 GMC Jimmy Temperature Problems Thanks for the replies. I still dont know why it flucates. I thought when the thermostat opens, the temp. will stay constant after that. I will try and flush the radiator first then go from there. Thanks again