Why is the fan switch not working on my car?
The fan switch works fine but none of the other buttons function. I have continuity through every fuse on the vehicle and I removed the dash panel and found all connections around the control panel to be secure. have the same problem?
What should I do if my heater fan switch is not working?
As long as there are no bare wires exposed, reconnect the battery cable and try running the heater fan to see if there is other diagnostic work to be done. If everything checks out, disconnect the battery again, route the switch back through the hole, and attach it with the nut.
How to replace a BMW E30 thermostat head?
Figure 10 shows the thermostat housing remounted with an appropriate amount of squeeze-out from the black silicone. Figure 11 shows the thermostat housing reattached to the head, and the flywheel sensor cable correctly routed around the housing.
What happens when coolant is low in the radiator?
As a result, you can expect the temperature of your engine to rise and become overheated. This will be indicated on the engine temperature gauge located on the dashboard. If you check your coolant levels in the radiator coolant overflow tank and they are low, then you either have slowly evaporating or leaking coolant.
Why is the radiator fan on my car not working?
When the thermostat in front of the engine detects that the engine reaches a dangerous temperature, the radiator then kicks in by releasing a mixture of water and coolant to quickly cool down the engine. There is a sensor on the bottom passenger side of the radiator. It does the job of taking notes of coolant temperature.
How do you turn on a radiator fan?
Unplug the sensor wiring and plug in the old sensor. Now just turn on the key and use a small torch or even a candle to heat the old sensor on the area that was inside the engine. What does the fan do?
Is it OK to leave the cooling fan 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.
What happens when a radiator relay goes bad?
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. Deprived of the helpful influx of air from the cooling fans, the radiator cannot remove as much heat as it usually does.