Try bleeding the coolant system first? It could be your thermostat stuck. It could be the water pump. If when bleeding you get no or very little water coming out of bleed hole. Remove thermostat altogether. Refill coolant and see how this run's. If it's better or the same. Replace with new thermostat. If not repost for more info?
COOLING SYSTEM BLEEDING
OASIS, ODYSSEY, PRELUDE & 1997 ACCORD
Set heater controls to maximum heat. Fill cooling system with a 50/50 mixture of coolant and water to bottom of filler neck. Loosen bleed bolt, located on thermostat housing.
Tighten bleed bolt when coolant flows from bleed bolt in steady stream without bubbles. With radiator cap off, start and operate engine to normal operating temperature (fan comes on at least twice). Add coolant as necessary. Install radiator cap.
Friday, November 28th, 2008 AT 5:46 AM