The car will get too hot and fan still wont come on. I straight wired one fan.Will that be sufficient or do I need both?Will that cause problems?Thank you! Also insterment panel isn't working fuel,speedometer,temp,odometer whats up?
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CHECK COOLING FAN FUSE AND RELAY.IF BOTH ARE GOOD.HOT WIRE COOLANT FAN.IF FAN DONT RUN FAN MOTOR NEEDS REPLACING. IF FAN MOTOR RUN WHEN YOU HOT WIRE IT.YOUR FAN MOTOR ELECTRICAL WIRES DAMAGED OR HAS SHORTS OR THE COOLANT TEMPERATURE SENSOR FAULTY.
What is the mileage? Check the reservoir for coolant, when the engine is COLD,... I repeat COLD, check the radiator for fluid. If fluid is present, check to see if your fans are working properly, turn your AC on and your fans in front of your motor should kick in within minutes.
If you have coolant in the reservoir and radiator (suspect a new thermostat, replacing the radiator will benefit greatly too)
If your fans do not turn on within minutes, replace your radiator fan relay.
Check the thermostat. If the upper hose does not feel very hot to the touch when the car is warmed up already, this indicates the thermostat is not opening, and therefore the water cannot circulate causing the overheating problem. Second possiblity is the radiator fan. If the car tends to overheat only on city driving it is a the radiator fan not coming on. This is either due to a bad radiator fan, blown fuse,bad relay, or a bad temperature sensor or temperature switch. If the car tends to overheat at highway speed, then it is the radiator being clogged up, and not letting enough water circulation when demand is at its highest which is high engine rpm.
After it heats up, see if the fans are spinning. Turning on the AC can force the fans to spin if the car is already warm.The wire plugs into a fixture on the passenger side fan then a wire from there goes to the driver side fan. On my Neon the fixture shorted out and I bypassed it. so far, so good. -- You may be able to drive if you keep the heater on full - hot.
The 3 most common reasons for this are:
1. The thermostat could be not opening all the way when hot. This is a cheap item to replace.
2. The radiator is full of scale buildup. The solutions are to remove it and take it to a radiator shop and have it cleaned or get a new one.
3. Radiator fan not running. Turn on the AC and see if the fan is running. It should run with the AC on. If not, it could be the fan motor OR the fan relay.
If you haven't made any recent changes then I would first check your coolant levels make sure you have sufficient enough coolant in radiator and in the reservoir if the problem still exist check your thermostat make sure it is opening and closing if it is have your radiator pressure checked at local radiator repair facility...