Radiator fans Niva 21214, connection diagram

Experts recommend choosing the latter option; in this case, you will be able to control the temperature at the radiator outlet. And the threads can rust and stick, and the cross-shaped slots of the screws can also rust. The left side is lowered first, then the block is moved to the left, raising the right edge so that the casing becomes vertical. The cooling system fan does not turn on on a fuel-injected car. What is the reason. Well, for example, you are crossing a ford, and at that moment the fans work, or they work at the moment when you decide to dive, what can happen? It may happen that when you buy fans, they will not have rubber gaskets on their supports that dampen vibrations. Not available, for the year of manufacture either. In addition, the radiator tap is equipped with an O-ring.


Make sure that the drill does not jam or break; it has never broken. I've been driving this way for almost two years now. When switching manually, you need to install a switch; a key is best suited, and for automatic control, an additional switching sensor with a response temperature lower than the main one. Installing an electric cooling radiator fan on a VAZ 2106 (classic)

How does the Niva fan connection diagram described above work?

When the engine temperature reaches the low temperature sensor response threshold, the relay to which it is connected will operate.
In this case, the current from the fuse through the relay contacts will flow to the positive brush of the first fan. Then passing through the armature winding to the negative brush and through the contacts of the additional relay to the second fan motor. At the electric motor collectors there will be ½ of the on-board network voltage. This will lead to a reduction in speed by half, and accordingly the noise will decrease. If the engine temperature reaches the response threshold of the second sensor or the temperature at which the ECU fans turn on, the additional relay coils and the second fan relay will receive power. The movable contact of the additional relay will switch the wire from the fan motor to vehicle ground, at the same time the second fan relay will close. This will cause the fans to be switched in parallel.

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admin 05/09/2015

The VAZ-21214 engine cooling system is designed for off-road driving, that is, to operate for a long time at low speed and high revs. This causes the engine to become very hot. Therefore, the Nivas are equipped with a cooling radiator slightly larger than on the classics and two cooling fans.

In fact, the machines are operated mainly in urban environments, where the engine operates without overload and the operation of two fans to cool the radiator is practically not needed. In addition, when operating, the Niva cooling fan makes quite a bit of noise, which affects comfort.

Chevrolet Niva 2008, 80 l. With. — tuning

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Comments 44

Thank you! There was no need to think, I read it and did it!

You can use any diode there. I adapted it from an old Soviet TV; without it, Jackie Chan came to visit every day. Hmm... I didn’t even look at the year of publication

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