What causes a car cooling fan to run?
If the coolant temperature sensor is damaged or the wiring to it is shorted this will cause the fan to run 2. There is a fault code set in the engine computer that will cause it to operate in a failure mode in that it turns the fan on to be sure the engine will be cooled.
When does the radiator fan go on or off?
Even kicks on when its a cooler day. Also stays on when driving down the highway. Thought the fan was supposed to kick on when it reached a certain temperature then goes off once the temp drops. Switched out the high and low speed relays and did no good.
Why do I need to take care of my radiator fan?
The radiator fan does a very important job; it cools the radiator to stop the car from overheating. If you have problems with the radiator fan, you need to take care of them immediately or you could cause serious damage to your car. There are a number of common problems with radiator fans,…
How does an electric radiator fan in a car work?
Electric radiator-fan motors are switched on either by the ignition switch – and run while the engine is working – or by a thermostatic switch . Thermostatically controlled motors do not work the fan until the engine coolant rises above normal operating temperature, and then switch off when it has cooled down again.
When do you turn on the engine cooling fan?
So, extra cooling is not needed, when a cold engine is first started. As a result, the engine cooling fan, does not come on until the engine reaches, normal operating temperature. The fan will then cycle on and off as needed, to maintain the proper coolant temperature.
When to turn on the cooling fan relay?
The cooling fan relay is an electromagnetic switch that controls the power supply to the engine’s cooling fans. It ensures that the energy-intensive devices only run when needed, usually when the vehicle is immobile. When the engine temperature approaches unsafe levels, the vehicle’s computer or temperature switch turns on the cooling fan relay.
Why are the cooling fans not working on my car?
Many other issues can cause the engine to run hot or overheat. Rather than uncommonly high engine temps, the driver may notice that the cooling fans have stopped running. A faulty or broken relay cannot deliver power to the cooling fans. In turn, the unpowered fans won’t run, leaving the radiator to its own devices.
What should temp be when cooling fan does not come on?
NOTE: if the cooling fan doesn’t come on when the engine has been operating for 20 minutes or more, make sure that coolant is reaching operating temperature, around 220°F (104°C). You may be dealing with a stuck-open thermostat.
Do you turn on the radiator fan when you start the car?
Yes. Since the radiator fan comes on when you start the car I’ve changed the ETCS. Checked the gas. … read more Vocational, Technical or Tra… 2008 SATURN VUE XR. ABS LIGHT CAME ON WHILE DRIVING. FIRST 2008 SATURN VUE XR. ABS LIGHT CAME ON WHILE DRIVING. FIRST TIME IVE SEEN IT SINCE BUYING THE CAR IN JUNE.
What happens when the radiator fan does not work?
However, over time, several things can go wrong with it. When the radiator fan does not work, this is a serious problem. The fan helps cool off the radiator, which acts as a heat sink drawing heat away from the engine. If the fan is not working properly, the radiator will not properly cool the engine.
When does the cooling fan start on a Saturn Vue?
FIRST 2008 SATURN VUE XR. ABS LIGHT CAME ON WHILE DRIVING. FIRST TIME IVE SEEN IT SINCE BUYING THE CAR IN JUNE. AFTER THE … read more
Why does my radiator fan on my Saturn not work?
The radiator fan on a Saturn should give you years of trouble-free performance. However, over time, several things can go wrong with it. When the radiator fan does not work, this is a serious problem. The fan helps cool off the radiator, which acts as a heat sink drawing heat away from the engine.
When does the radiator fan start and die?
Starts and dies after a few seconds to a minute. And yes. Yes. Since the radiator fan comes on when you start the car I’ve changed the ETCS. Checked the gas. … read more Vocational, Technical or Tra… 2008 SATURN VUE XR. ABS LIGHT CAME ON WHILE DRIVING. FIRST 2008 SATURN VUE XR. ABS LIGHT CAME ON WHILE DRIVING.
When did the ABS light come on on the Saturn Vue XR?
2008 SATURN VUE XR. ABS LIGHT CAME ON WHILE DRIVING. FIRST TIME IVE SEEN IT SINCE BUYING THE CAR IN JUNE. AFTER THE … read more 2002 Vue AWD 3.0 auto. A/C compressor replaced be GM dealer 2002 Vue AWD 3.0 auto. A/C compressor replaced be GM dealer in May. A/C worked fine until recently – about a week ago began blowing warm … read more
If the coolant temperature sensor is damaged or the wiring to it is shorted this will cause the fan to run 2. There is a fault code set in the engine computer that will cause it to operate in a failure mode in that it turns the fan on to be sure the engine will be cooled.
Where do I find the cooling fan on my car?
Look for this under the hood, near the cooling fan (see the link). Tap on it with a screwdriver handle, and see if the fan shuts off. http://d3nevzfk7ii3be.cloudfront.net/igi/XbD1JcNwbHgRnN4b.standard 107 people found this helpful.
And yes. Yes. Since the radiator fan comes on when you start the car I’ve changed the ETCS. Checked the gas. … read more Vocational, Technical or Tra…
When do I Turn Off the fan on my car?
It runs normally but after I drive it for a while aand turn the ignition off long enough to fill up with gas, for example, it will not even attemt … read more 99 sc2 battery light on (recent new battery) turned car off and fan/motor kept on.