What is this device for? It ensures that the engine can heat up in the shortest possible time or, on the contrary, practically not heat up. The thermostat is equipped with a valve, inside of which there is a special substance. This, in turn, influences the fact that the thermostat on the VAZ 2110 with 16 valves decides when to open and when vice versa.
It is known that while the engine is running, the car can quickly heat up to 80 degrees. After this mark, the heating rate decreases, and after 94 degrees the car stops heating, provided that the car is not in a multi-kilometer traffic jam.
Where is the VAZ 2110 thermostat located?
It can be found just below the air filter housing. To see the VAZ 2110 thermostat, you need to look into the engine compartment and find the air filter housing. After this, it’s worth looking under this housing, so to speak, and you will be able to see the desired thermostat, or rather its cover. The device itself is hidden under it.
When to think about replacement
If the device has stopped opening the valve that releases coolant to a large circle, or the valve is simply jammed and does not close on its own, then you need to think about replacing the Grant thermostat on the VAZ 2110. If you do not replace the device in time, negative consequences may occur.
If the fluid cannot circulate in a large circle, the car will overheat. This should not be allowed and, if possible, the thermostat from the Granta VAZ 2110 injector 16 valves should be replaced as soon as possible. Overheating can cause the cylinder head gasket to burn out. Moreover, the friction of the car itself will increase.
If the valve gets stuck in the open position, which is extremely rare, the motor will not be able to heat up. It is also advisable to replace the device.
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They are warmer not because a sixth fitting has appeared there, but because the bypass channel has been reduced. And the new fitting serves to get rid of the constantly leaking stove return tee.
| Comparison of bypass channels of a 6-hole thermostat - 11mm (left) and 5-hole - 16mm (right) |
What does bypass affect? Through the bypass channel, the coolant circulates in a small circle. And the smaller the diameter of the bypass channel, the more coolant flows through the heater. Because additional resistance is created when coolant flows in a small circle, bypassing the stove. That is, by reducing the diameter of the bypass you increase the flow through the stove, that is, the car interior will be warmer.
Reducing the bypass channel for a 5-hole thermostat:
I would like to note right away that when the bypass channel in a 5-hole thermostat (TC) is narrowed, problems may arise: Problems associated with washing the thermoelement . That is, if in a 6-hole thermocouple the bypass coolant and coolant of the outlet (cold) pipe of the stove are washed, then in a 5-hole thermocouple only the bypass coolant is washed.
In order to reduce the bypass to the required value, you can cut a plate out of an aluminum plate . The plate should fit exactly inside, as shown in the figure. Next, the plate needs to be secured ; for this you can use cold welding or rivets. Make sure that the rivets do not interfere with the closure of the small circle. Then we drill a new hole in the plate .
How to find out what condition the thermostat is in: working or not
To check the thermostat on a VAZ 2110 it is not necessary to remove it from the car.
You can simply start the car and warm it up to operating temperature. After warming up, leave the cabin, open the hood and look into the engine compartment. There you will need to find the lower pipe coming from the thermostat itself. This detail needs to be thoroughly felt. If it is slightly warm at the very beginning, and gradually warms up as the engine warms up, then the thermostat is working as expected. If the lower pipe remains cold, then the thermostat needs to be changed. To check the functionality of the VAZ 2110 8-valve injector thermostat, you can disassemble it and remove the thermocouple. He is precisely responsible for the operation of the cooler. It needs to be checked. To do this, you need to take hot water and lower this element into it. You will need to place a thermometer in the water and observe how the temperature changes. The device itself will also need to be monitored.
The water will need to be heated. Once it reaches 90 degrees, the thermocouple rod should extend. If this is not the case, then this part needs to be replaced. By the way, in most situations in the VAZ 2110 you do not need to completely change the thermostat. This is quite expensive and, as a rule, is only necessary when there is visible damage.
When the need arises to replace the thermostat from Granta for a VAZ 2110 injector 8 valves, car owners are forced to buy a new device. You should also be careful here. It is advisable to check the device before purchasing. To do this, blow strongly into the fitting. If it is not noticeable that air is passing anywhere, then a small circuit prevents its passage. This means that such a part is not worth buying. How much does a thermostat cost for a VAZ 2110? It is impossible to answer this question unambiguously, since the price depends on whether the unit is new or used.
Some important tips
Before replacing the element we are interested in, experts advise allowing the engine to cool completely after operation. And after the old thermostat has been removed, you should definitely check the new device for serviceability. This is done like this:
- lower the thermostat into water heated to a temperature of about 80 degrees;
- raise the water temperature by another 10 degrees (you need to stir the liquid);
- observe the “behavior” of the new device: if you notice that the rod begins to extend from the silicone element, this means that the thermostat is operational.
And do not forget to pour liquid into the cooling system (into the reservoir) after finishing the work.
Step-by-step process for replacing the thermostat in a VAZ 2110 injector 8 valves
The first thing you should know is that the part is replaced only when the engine is cold. If the thermostat is replaced while the engine is hot, you may get severe burns. Therefore, it is worth observing safety measures.
How to replace the thermostat on a VAZ 2110 with your own hands:
- Drain all coolant from the engine. This is important for successful thermostat replacement.
- Remove the air filter housing.
- Take previously prepared tools and loosen the clamps of two hoses: the coolant pump and the radiator. Disconnect the hoses.
- Now you need a hexagon. They will need to unscrew the 3 bolts securing the thermostat cover and carefully remove it. Under the cover you will find the device itself, which needs to be replaced.
- There is also an O-ring on the cover itself. It may be severely compressed or cracks or other damage may appear on it. In this case, the ring itself should be replaced.
How to install the thermostat:
It is necessary to carry out all the same actions that were carried out to remove the device, only their order should be reversed.
If a complete replacement of the VAZ 2110 thermostat is necessary, then you need to remove the one that has stopped working normally and replace it with a new unit. After this, the cooling system must be filled with antifreeze. It is filled through the expansion tank. You can use new liquid or already filtered one.
To eliminate possible air pockets, the car should be started and allowed to idle for some time. The car should warm up. This way you can eliminate all air pockets.
At the end, it’s worth checking to see if there are any leaks and if the coolant is at the normal level.
What are the features of the classic and alternative connection options?
- The main thermostat valve is flushed with coolant from the main radiator and engine;
- The thermostat opens for additional cooling - in this case, there is control not only over the entire coolant temperature in the system, but also over the temperature of the coolant leaving directly from the engine, and this, as is known, is the hottest place in the cooling system.
The standard connection diagram for a six-hole thermostat will look like this.
- The thermostat is additionally washed with coolant from the heater and bypass.
- The device controls the temperature, which is lower than the motor temperature (from the thermostat output or from the bypass). It turns out that in winter such a thermostat will work later than according to the classic connection scheme. The functioning of the stove also improves, which works more actively the lower the temperature outside.
The alternative connection diagram has two options.
As for the speed of warming up the engine, it remains unchanged, because the path of coolant flow until it reaches 82 degrees Celsius has not changed, as has the heat capacity of the system.
