I took it to the mechanic and he said it was the compressor that was bad. Just because the radiator fan is not on does not mean that it is not working. Does the motor have a heat sensor on it I suggest checking it out also what does the heat gauge register on your dashboard? If it isn’t, it is probably the fan temp switch that is faulty. As for the engine coolant temp sensor, if the coolant is not hot enough to make the fan come on, then there is no need for the fan yet and there is no problem. This did not seem to make a difference. Multiple relays and resistor packs may be used to control fan activation. Then both fans work. If I manually start the driver side fan by spinning the blade with my finger, it then runs (AC still on). With A/C running radiator fan comes on. When I turn on the ac the fan works and keeps the car cool. If air isn't flowing over it, it won't exchange the heat it needs get rid of so the A/C core inside … Ford Fiesta Radiator Fan Not Working Causes When it's hot it only blows hot air. HOWEVER, it is only one speed (a low speed). In a nutshell: The radiator fan comes on so the A/C works at its highest efficiency. I wish I could have found it days ago . No idea. They are designed to only run when needed. Still not working I have switched around the relays, both in the fuse box under the hood, as well as the ones attached to the radiator. Want Answer 0. it is just what I have been looking for, I could not get a straight answer anyplace until I found this. This used to not happen before. And the fans will come on anytime your ac compressor is working. They are designed to only run when needed. I'm aware that the AC won't cool as well when idling or at low speeds - compressor turns slower and less airflow over the condenser, etc.. That's why I thought this fan ran when the AC was on. If your Elantra is running hot, and the fan is not running we’ve laid out the most common causes of this issue below. If I jumper both leads going to sensor should the fan come on? If the radiator fan is not working, it’s a serious problem. My gal recently (Friday 9/3/10) acquired a 1999 Pontiac Sunfire, 2.2L engine. If I don't turn on the AC, the temperature spikes to the yellow area. I'm guessing that the start winding is bad. With A/C systems, it is important to know in what order things turn on and off. If it is the one on the radiator, then it could be a fuse, relay, temp sensor or water level in the cooling system. It only works at night or morning usually when it's cool outside. Comment; Flag; More. We have replace both the fan relays, and the temp switch. @oldturkey03, @fusebox. Checked the fuses, under the hood as well as the ones inside the van, on the wall in the drivers area. Without AC on at what temperature should the fan come on? Symptoms Of A Bad Or Failing Ac Condenser Fan Yourmechanic Advice. 19 people found this helpful. Just because the radiator fan is not on does not mean that it is not working. The fans will only work when the a/c is on and when the coolant temp reaches a certain temperature. A/C works only when radiator fan is on V70-XC70 1998 : posted by volvocrazed on Mon Jul 20 09:51 CST 2009 Author: [IGNORE ALL POSTS] last visit: Thu Jul 28 18:15 CST 2011 Hi - 1998 V70R AWD. Attached documents will show you how to test the switch etc. After doing some research, I have done the following. 1. When the AC is switched ON (Compressor), the Radiator Fan also switches ON (even though the Engine Temperature is at C) along with Condenser Fan. After that I noticed strange behaviour of Radiator Fan. Check that the radiator cooling fan comes on when the A/C is turned on. I got a 2002 Jetta the cooling fans don't turn on . 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Fans only work when in traffic has 180502 in a nutshell: the radiator fan to work the... On ignition Saum Hadi Posted on February 8, 2020 to get someone who knowledgeable!
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