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Re: GM 3100 oil? In coolant. Dexcool sludge
Posted to Technical Theory Forum on 8/9/2018

Hi Tom... Thanks for the confusion... ;-). I am a firm believer in diagnosing the car in front of me instead of tossing parts at it. In this case the risk of coolant getting into the crankcase vs a couple of hours work to eliminate the threat seems a no braini... Login to read more.