I have a 1990 nissan sentra and its recently has been overheating.. I changed the thermostat twice, drained and refilled the radiator, but it still overheats after about 10mins on the road.. I can have it idling for over an hour with no complications... I checked the oil and I didnt see any water. Openned the drain pan and everything is ok. No leaks found. Just the resevior keep bubbling right before the engine overheats. The fans come on after 5-8 mins. I even tried driving it without the thermostat but it still overheats after awhile. Any help?
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I have 2002 Nissan ser with 120k, and I noticed a different temperature change when I start my car up...it takes a while to get warm. The weather has been cold lately, but my car has quick jolt as I'm driving until the car warms up. What is this issues I'm having...?????
My 2005 Nissan Sentra 1.8s with 55,000 mi. blows cold air from the heater. Coolant not circulating in engine. Lower hose stays cool to touch. Both heater hoses cold. Changed thermostat - didn't fix it. Coolant not leaking or dirty. None in oil - no oil in radiator. Changed worn water pump belt - pump spins freely with no noise or resistance. Cooling fans come on after warm-up. Temperature gauge stays in normal range then jumps to hot and back again. Coolant good to 10 below - didn't freeze here yet. No other problems or repairs to car. Afraid to drive and make worse. Help!