always low on coolant,no leaks,new pressure oil switch replaced, no heat
on 1997 Oldsmobile Silhouette

thermo signal runs high after 5-10 mins then goes to zero. new thermostat placed last year. Blows cold air still after 1/2 hr(unless on highway),fans dont blow well except rear blowers

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1 answer
ck coolant level or poss thermostat is sticking open