Likewise, how do you remove viscous fans? put spanner on viscous fan, hit with soft mallet in clockwise direction and it will eventually loosen. When you whack the spanner and the water pump just turns – curse a bit and tighten the fan belt. Then when it does nothing – whack it harder.
Another frequent question is, how do I remove 300tdi viscous fan?
Also know, how do you adjust a viscous fan?
Also, what is a viscous fan? Viscous fan couplings are used on vehicles (cars and trucks) with inline engine positions, mainly rear wheel drives. … Viscous fan couplings are located between the water pump pulley and the radiator. They: Control fan speeds to aid engine cooling. Aid in the efficiency of the engine by engaging the fan, when necessary.Remove the Fan Clutch If you are ever wondering which way to loosen the fan nut (some are reverse thread) it will always loosen in the same direction as the fan turns when the engine is running.
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How do you remove a fan clutch without a tool?
How do I know if my viscous fan is bad?
To confirm the diagnosis, start with this simple test: Spin the fan as hard as you can on an engine that has not been started that day. If the fan rotates more than five times, you can bet the clutch is bad. You should feel some resistance and the fan may spin up to three times, depending on the ambient temperature.
What temp does a viscous fan kick in?
Your radiator fan should kick in at about 200 degrees Fahrenheit. If you notice your vehicle is overheating or at the very least running hotter than it normally does, listen for the fan to see if you can hear it.
How do you test a viscous fan?
When your motor is hot, you should be able to hear the fan kick in. If you can’t, pop the bonnet, and turn the vehicle off while watching the fan. If it comes to a fairly abrupt stop, the fan hub is working properly. If it keeps spinning round and round, your fan hub is knackered and needs to be repaired or replaced.
Should a viscous fan spin freely?
The fan should move freely by hand when the vehicle is off. Any strong resistance means its locking up. Thats when they get noisy.
Should a viscous fan spin all the time?
Yes, it will spin all the time regardless, when the engine is running, but it should be easy to observe that it spins slower engine cold than engine hot.