Is the engine cooling fan working on a VW Jetta?
If the fan switches off by itself after about 10 minutes, it is working properly. MK4 (1999-2004.5) VWs have an after run feature to cool the engine after shut down if the coolant temperature is too high. 28 people found this helpful. You have been quite helpful… and I thank you for the time you spent in answering my question…
How long does a VW cooling fan last?
The thought of walking away from your Volkswagen with the cooling fans buzzing away leaves most people with images in their heads of dead batteries and tow trucks. Rest assured—this is in fact normal operation. The after-running of the cooling fans is deliberate and can sometimes last up to 16 minutes after switching the engine off.
Why does the engine cooling fan not turn off?
I was wondering if anyone knows why the engine cooling fan does not go off when you turn engine off. We had to pull the fuse that is under hood on top of battery. Once we pulled it, it went off, but when we put it back in the fan started up again. Any and all replies would be greatly appreciated. 50 people found this helpful.
When to troubleshoot an electric car cooling fan?
On a warm engine, the fan may come on even if the engine is not running. When working on a hot engine or an engine that is running, keep your hands and tools away from the fan blades and moving components. Troubleshooting a cooling fan that doesn’t work can be a relatively straightforward task at times.
Why is the a / C on my Jetta not blowing?
The reading on this gauge is very vague and doesn’t show all of the information necessary to diagnose a problem, but can give you a general reading. If the system charge is too low, this can cause the symptoms you’re describing. A low charge is almost always caused by a leak in the system.
Is the Aftermarket head unit bad for a VW?
Aftermarket head units and VWs are a very bad combo. They cause all kinds of problems electrically. Not 100% sure, but the aftermaket radio is definitely a suspect. 4 people found this helpful. thank you… when it warms up here I will definitely be taking it out.
Is the car cooling fan still on when the engine is turned off?
Car Fan Still On When Engine is Turned Off. You park your car, turn off the ignition and start walking away. Then you notice the engine cooling fan is still running even though the car is turned off. It is ok for the engine cooling fan to keep running for a few minutes after turning off the car.
Why does the radiator fan run all the time?
The radiator fan may run up to five minutes and sometimes longer. Unless there is an electrical issue, it may stay on all the time until it drains the battery. When the engine is running, the coolant circulates from the engine and flows to the radiator, where heat is dissipated.
What to do if your radiator fan won’t shut off?
EASY FIX.. – YouTube If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer. An error occurred while retrieving sharing information.
How to change the blower motor on a VW Jetta?
Once you have the part, you need to remove the old resistor and install the new one. You will need to first remove the glove box to gain access to the blower motor resistor. This thread gives detailed instructions on how to do this.
What to do if your Volkswagen Jetta heater is not working?
If the car is getting up to temperature,then there is an issue with the heater core. The easiest way to fix this problem is to replace the thermostat. A new part can be purchased here in the “Cooling System” section for your specific year Jetta.
Why does my car have no air in the vents?
Step 3 – A fan blower motor is controlled by either a switch in the passenger compartment or by a computer. If this fan motor is starting to fail it will cause the fan motor to run at a lower speed resulting in low air flow. To test this condition an amp meter is needed, connect the meter lead to the power wire of the fan motor.
What happens to the fans when the engine gets too hot?
Both fans always work in tandem. The resistor pack inside the fans will burn out and the fans will stop working on low speed but will still work on high speed when the engine gets too warm. The a/c button turns the fans on LOW only, and the fans will still work on high if the engine temperature gets too hot, above 107C actually, or 224F.
Why is my a / C not working on my Jetta?
This includes 98-10 Beetle, 99-06Golf, 99-05 GTI/GLI/Jetta/Bora. The fuse as shown in the picture normally does NOT fail but the fuse box under it does. It melts and this particular part sends power to the cooling fan thermal switch AND the Fan control module. The fan module also sends power to the a/c compressor.
What to do if your a / C fan is not working?
The a/c button turns the fans on LOW only, and the fans will still work on high if the engine temperature gets too hot, above 107C actually, or 224F. The only way to fix this is to replace the defective fan.
How long does a car fan run after you turn off the engine?
Your car fan will run for a few minutes after you turn off the car then turn off. This is normal in many vehicles, such as BMW or Mercedes-Benz. The radiator fan may run up to five minutes and sometimes longer. Unless there is an electrical issue, it may stay on all the time until it drains the battery.
What should I do if my radiator fan is not working?
A blown fuse is no big deal, and changing one does not cost a lot of money. If your car’s radiator fan is non-functional, check your car’s user manual and locate the fuse for the radiator fan controller or the fan. The fan itself often uses a big fuse of around 50A, while there might also be a separate small fuse to the fan control module.
Why do you need a radiator fan in a car?
To stop the engine from overheating, we take the help of coolants that flow through a radiator into the engine. The radiator’s job is to keep the coolant cool so that when it returns back into the engine, it is able to absorb more heat. A radiator fan is thus used to keep the temperature of the coolant in check. Thus, it has an important job.
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.
What to do if your engine fan won’t turn off?
13 people found this helpful. If the fan switches off by itself after about 10 minutes, it is working properly. MK4 (1999-2004.5) VWs have an after run feature to cool the engine after shut down if the coolant temperature is too high. 36 people found this helpful.
What does after run do on a VW?
MK4 (1999-2004.5) VWs have an after run feature to cool the engine after shut down if the coolant temperature is too high. 36 people found this helpful. You have been quite helpful… and I thank you for the time you spent in answering my question…
When to turn on the thermo coolant fan?
This is a very critical time to get the car home or to a place where it will not be driven until it is looked at. In other cases, the switch will turn on and stay on well past the cooling temperature threshold, resulting in the fan running even when the engine is off. 3. Broken or shorter signal wire
What are the symptoms of a bad coolant fan switch?
A common sign of a faulty switch, which can also be alarming, is that the switch will simply not turn the fans on at the predetermined temperature level resulting in engine heat climbing above what it should be in order to run effectively.
How does a coolant fan switch work on a car?
A coolant fan switch is a small and very simple switch comprised of typically two wires. This switch is configured to work based upon the temperature of the engine. As engine temperature rises to a specific threshold, the switch is activated powering on the coolant fan.