Camshaft VAZ 2106
The camshaft is an integral part in the design of the gas distribution mechanism (GRM) of any engine. It is made in the form of a cylinder on which necks and cams are located.
Description
On the sixth model Zhiguli, the timing mechanism shaft is installed in the cylinder head (cylinder head) of the engine. This arrangement allows you to repair and change the part, as well as adjust the valve clearances without any difficulties. The shaft is accessible after removing the valve cover. The camshaft (CV) is assigned the role of controlling the opening and closing of valves in the engine cylinders - at the right moment it admits the fuel-air mixture into the cylinder and releases exhaust gases. A gear is installed on the camshaft, which is connected to the crankshaft sprocket through a chain. This design ensures simultaneous rotation of both shafts.
Since the crankshaft and camshaft have gears of different sizes, the rotation speed of the latter is halved. A complete operating cycle in a power unit occurs in one revolution of the camshaft and two revolutions of the crankshaft .
The valves in the cylinder head open in a certain order under the influence of the corresponding cams on the pushers, i.e., when the camshaft rotates, the cam presses on the pusher and transmits force to the valve, pressed by the springs. In this case, the valve opens and admits the fuel-air mixture or releases exhaust gases. As the cam rotates further, the valve closes.
Difference between camshaft 21213 and 2106
The difference between camshafts from Niva and Classic
Comments 47
I understand that there will be no high speeds on the Nivov shaft?
Good afternoon Evgeniy. I watched the video, read the wall, and couldn’t find the answer to my question. I inherited a VAZ 21011 1979. 1.3 engine, stock. There are no plans to increase power or race; the car is made for quiet cruising and intercity travel. Please tell me. what camshaft to install so that there is no need to redo the cylinder head and the dips at the bottom are reduced. Thank you in advance
The 11 engine, by its nature, does not really like the low end. In block 11, the piston at TDC is aligned with the end of the cylinder, i.e. There is no shortfall, if you place the shaft with a lift higher than the valve, it will bend. Don’t touch anything, the problem of poor low-end traction will be solved by increasing the idle (if there is no electronic DHW), make the mixture larger, and so that the idle
900 was, and/or set the distributor 1-2 degrees earlier, and the consumption in the CITY will increase per glass two. This is the 11th engine, if you want to replace one part, the floor of the engine will have to be changed...
Hello Evgeniy, please tell me, I have a VAZ 2107 injector which camshaft to install, 21213 or 21214, I have manual valve adjustment, and is there a difference between the camshafts for the injector and the carburetor, thank you very much in advance!
#1 mexinik
#2 ArturiK
I want to change the camshaft. But I don’t know which one to install - six or Niv. They wrote somewhere that traction is better with the Nivovsky. Help me choose which one to install? And what makes the traction better?
#3 mexinik
#4 Karidat
#5 mexinik
#6 VINI
#7 mexinik
#8 ArturiK
Characteristics of motor 21214
It is believed that the basis of the ICE 21214 was the previous version 21213. In fact, ¾ of the parts in the engine
- the engine layout has changed - an injector instead of a carburetor;
- additional attachments appeared - DPKV, DXX sensor, Bosch MP 7.0 controller;
- crankshaft with a long crank radius of 40 mm, not used in previous AvtoVAZ engines;
- Cylinder head with holes for phase sensor and receiver studs, hydraulic supports for valve levers instead of adjusting bolts.
And also interesting: Niva fuel consumption. Table with fuel consumption for Niva. Acceptable fuel consumption of Niva "
Since the base model bends the valve, the 21214 engine did not escape this fate, so the manual includes not only a description of the engines, but also maintenance regulations in order to ensure at least the minimum declared service life of 80,000 km, which was promised by the manufacturer’s representatives.
The design of the power drive 21214 provides it with the following technical characteristics:
| Manufacturer | AvtoVAZ |
| Engine brand | 21214 |
| Years of production | 1994 – … |
| Volume | 1690 cm3 (1.7 l) |
| Power | 59.5 kW (81 hp) |
| Torque moment | 127.5 Nm (at 4000 rpm) |
| Weight | 122 kg |
| Compression ratio | 9,3 |
| Nutrition | injector |
| Motor type | in-line |
| Injection | distributed electronically controlled |
| Ignition | modular |
| Number of cylinders | 4 |
| Location of the first cylinder | TVE |
| Number of valves on each cylinder | 2 |
| Cylinder head material | aluminum alloy |
| Intake manifold | duralumin |
| An exhaust manifold | cast iron or welded steel |
| Camshaft | original cam profile |
| Cylinder block material | cast iron |
| Cylinder diameter | 82 mm |
| Pistons | from 21213 |
| Crankshaft | from 21213 |
| Piston stroke | 80 mm |
| Fuel | AI-92 |
| Environmental standards | Euro-2/3 |
| Fuel consumption | highway – 8.3 l/100 km mixed cycle 10.5 l/100 km city – 11.5 l/100 km |
| Oil consumption | maximum 0.7 l/1000 km |
| What kind of oil to pour into the engine by viscosity | 5W30, 5W40, 10W40, 15W40 |
| Which engine oil is best by manufacturer | Liqui Moly, LukOil, Rosneft, Mannol, Mobil |
| Oil for 21214 according to composition | synthetics, semi-synthetics, mineral |
| Engine oil volume | 3.75 l |
| Operating temperature | 95° |
| ICE resource | declared 80,000 km actual 160,000 km |
| Adjustment of valves | hydraulic compensators |
| Cooling system | forced, antifreeze |
| Coolant volume | 7.8 l |
| water pump | with plastic impeller |
| Candles for 21214 | BCPR6ES from NGK or domestic AU17DVRM |
| Spark plug gap | 1.1 mm |
| Timing drive | single row chain |
| Cylinder operating order | 1-3-4-2 |
| Air filter | Nitto, Knecht, Fram, WIX, Hengst |
| Oil filter | with check valve |
| Flywheel | from 21213 with clutch bore diameter 200 mm or 215 mm |
| Flywheel mounting bolts | M12x1.25 mm, length 26 mm |
| Valve stem seals | manufacturer Goetze, light inlets, dark exhausts |
| Compression | from 12 bar, difference in adjacent cylinders maximum 1 bar |
| XX speed | 800 – 850 min-1 |
| Tightening force of threaded connections | spark plug – 31 – 39 Nm flywheel – 62 – 87 Nm clutch bolt – 19 – 30 Nm bearing cover – 68 – 84 Nm (main) and 43 – 53 (connecting rod) cylinder head – three stages 20 Nm, 69 – 85 Nm 90° 90° |
With the advent of hydraulic thermal valve lash compensators, it is recommended to use exclusively high-quality engine oil.
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https://youtu.be/P1yMxJJgTb8
Dismantling the camshaft VAZ 2106
To carry out repair work or replace the camshaft on the “six”, you need to prepare the following tools:
We dismantle the unit in the following sequence:
- Remove the valve cover from the cylinder head.
When I carry out repair work on the camshaft after it has been removed from the cylinder head, I cover the head with a clean rag and press it, for example, with a tool. This prevents various debris from entering both the lubrication channels and the surface of the rockers. It is especially important to protect the exposed part of the engine during repairs outdoors, since the wind can cause a lot of dust and debris, which I have encountered many times. Before installing it into the housing, I also wipe the new shaft with a clean cloth.
Camshaft defect
After the PV is removed from the engine, all its components are washed in gasoline to remove contaminants. Troubleshooting involves a visual inspection of the shaft to identify damage: cracks, burrs, cavities. If they are detected, the shaft must be replaced. Otherwise, check the basic parameters characterizing the degree of its wear, for which a micrometer is used.
Table: main dimensions of the VAZ 2106 camshaft and its beds in the bearing housing
| Number of the neck (bed) starting from the gear | Dimensions, mm | |
| Nominal | Maximum permissible | |
| Support journals | ||
| 1 | 45,91 | 45,93 |
| 2 | 45,61 | 45,63 |
| 3 | 45,31 | 45,33 |
| 4 | 45,01 | 45,03 |
| 5 | 43,41 | 43,43 |
| Supports | ||
| 1 | 46,00 | 46,02 |
| 2 | 45,70 | 45,72 |
| 3 | 45,40 | 45,42 |
| 4 | 45,10 | 45,12 |
| 5 | 43,50 | 43,52 |
The condition of the RV can be assessed by other parameters, for example, runout, but special tools are required to remove them.
If, based on the results of the troubleshooting, it was revealed that the timing mechanism shaft needs to be replaced due to severe wear, then the rockers should be replaced along with it.
Camshaft installation
The shaft installation process occurs in the reverse order using the same tools as for its removal. Additionally, you will need a torque wrench that can be used to control the tightening force. The work is carried out as follows:
- Before installing the part into the body, lubricate the support journals, bearings and cams with clean engine oil.
To ensure that the camshaft is evenly pressed against the cylinder head, tightening should be performed in several stages.
Video: installing the camshaft on classic Zhiguli cars
Installation by marks
Upon completion of the replacement, it is necessary to align the camshaft and crankshaft to the marks. Only after such a procedure will the ignition timing be correct and engine operation stable. An additional tool you will need is a wrench to rotate the crankshaft, and the work itself consists of the following steps:
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https://youtube.com/watch?v=wBq5tplw8mo
Camshaft for the field. Manufacturer's choice.
The manufacturer of the shafts I offer is NPK Kolobok, in other words, these are Nuzhdinsky shafts. Why this manufacturer? For one simple reason. Solving questions online and providing detailed answers to questions asked as you work. In short, normal engineering and technical communication and necessary consultations. There are two RVs that I suggest to get you started. For bolts - this is the Estonian RV. Under the hydraulics is the “Trophy” shaft. Both shafts are placed on standard sprockets, according to the standard marks. The shafts do not require modifications to the cylinder head and have a fairly stable idle speed. For nivovods, this turned out to be a very important concept, no matter how funny it may seem. For a large number of wide-range radios, this is a difficult condition to fulfill, simply due to their characteristics and design, which I will not go into here. But the people want to eat the fish and…..then you can guess for yourself. The main advantage of these shafts, in my opinion, is their installation. If you don’t tell the mechanic that these are tuning camshafts, he will simply put them “on the marks” and they will work. I cannot call these shafts “completely mature”; rather, I would call them improved basic shafts.
Recommendation. Very often I install these shafts when people switch from hydraulics to bolts, or when replacing them with “high-quality” hydraulic compensators. All the same, for these operations it is necessary to remove the distributor from the bed, so why not replace it with something “a little better”.
Source
Camshaft. Theory.
Some people asked if possible to make some kind of comparison. What can a camshaft be compared to if an engine is an analogue of a human heart? Probably with the training of certain muscle groups. For those who have ever played sports, or at least watched them on the couch on TV, there is no need to explain that athletes have different figures. A weightlifter, a marathon runner, a swimmer, and an all-around athlete are completely different physical activities and muscle groups. Camshafts are divided approximately the same. There are lower shafts, which make it convenient for the engine to knead dirt and drag something heavy, but the speed on the highway will be no more than 90 km/h. There are “high” shafts, the engine “sings” when the revolutions rise above 4000 and the car flies towards the horizon. There are “universals”, this is a slight increase in the elasticity of the engine over the entire range of its operation. There are narrow-range specialists, this is when the shaft “turns” in a certain speed range (usually these are sports variants).
