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How does the rad fan on a 1986 Honda Prelude come on?
There is a temperature switch on the passenger side bottom of the radiator that has a wire connector attached to it. The switch screws into the radiator and then the wires connect to that. That switch is what tells the relays to turn the cooling fan on. If your fans don't turn and the engine is running hot you can test the switch using the following steps. 1. turn the ignition to the on position but don't start the engine. 2. disconnect the wire connector to the switch on the bottom of the radiator. 3. using a small jumper wire, jump the two wires inside the connector. If the fans turn on then you will need to replace the temp switch. If the fans still don't turn on then you will need to check the fuses, relays, and the fans themselves.
What else do you check after blocked hoses thermostat fans and radiator when your 1990 Honda Civic continues to overheat?
The IMPELLER on the water pump.The MIXTURE of Anti-Freeze to Water mixture.Blown head gasket.Correct TIMING.the FLOW on the Radiator that U already checked...
If you already replaced the radiator fan but it is not switching on does that mean the thermostat is the next place to look?
if your thermostat was bad your engine will over heat but it has nothing to do with the fan,fans are driven by a diffrent mechanism. try checking your thermostatic switch/ heat sensitive switch or sensor, located somewhere in the cooling system(radiator,engine block or thermostat housing) which is the one that tells the fan when to come on.(only electric fans)it may be faulty wiring
What is the superlative word of fans?
The superlative word of fans is most fans.
Why won't the radiator fans activate on your 2000 Accord?
In the cooler weather we are having, they will probably take longer to come on. The side effect though has been the temperature guage spiking big time. Only spikes during city traffic, not highway. Oil is fine, radiator fluid is fine. Just those stupid fans don't ever fire up.
