The canister - what is it? What charcoal canister? The canister - faulty

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2018-03-23 04:46:24

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the canister is that itThe advent of cars, the relevant environmental standards "Euro 3", before automakers were challenged to create a device, check the hydrocarbon vapors in order to avoid their penetration into the atmosphere. So in the fuel system of many machines, including domestic, began to appear the canister. What is it, and how this item works? The answers to these questions will learn in our article.

Where is it located?

Such as the canister is a small black jar a few centimeters tall. It can be installed on almost all vehicles under the intake in the right side of the engine compartment.

Characteristics of adsorption

Why the need For a canister? In General, adsorption – absorption of gases by liquid or solid bodies. In our case, the main element that “absorbs” the pair itself, the fuel system is the coal. They filled part of the device.

Canister - what is it? Visual characteristics

The word "canister" in English means “buffering”, “absorb”. By design, this part represents the energy-absorbing plate. Externally immediately possible to determine that the bumper is not full cast – inside it there is a special filler of polymeric materials.

This part of the device (bumper) is considered the main and converts the mechanical energy into heat, which then dissipates in the environment. On the plate, which is located in the canister, have a great responsibility, so many manufacturers make such stringent requirements for its technical characteristics and properties of the entire device as a whole.

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what canisterThe Basic material used in the manufacture of this item – is a cellular plastic or foamed polystyrene. In recent times, manufacturers began to use glass beads. The quality of the material is also strictly controlled, as it affects the health of many people. For this reason, the adsorber (a photo of this device you can see below) is completed only high quality bumpers.

But not only it affects the safety and health of people. In order for the car VAZ «Kalina» the canister is to perform its functions efficiently, to reduce the risk of damage to the rear bumper to zero. This detail is the power element, and that she “holding a blow”, which could trigger mechanical failure. And if a device is broken or punctured, to allow him to operate anymore. All because with each swing adsorber (2110 th WHA ' in particular) is losing its ability to absorb the emissions.

Canister - what is it? About the design

This part consists of several structural elements:

  1. Front pipe of the steam pipe.
  2. More hoses.
  3. Purge Valve.
  4. Vapour Separator and pipes to drain the fuel.
  5. Gravity valve.
  6. Tube canister and purge valve.
  7. Canister.

Working Principle

The Algorithm steps from the charcoal canister next. Fuel vapors (gasoline), which are formed in the tank, their properties rise because of a lack of any capacity on the neck first into the cage. Here is the process of condensation. That is, the pair turn back into a liquid and merged back into the tank. The part that has not yet converted from a gaseous substance in a liquid, falls into the canister. Here the surplus system absorbs with the help of activated coal.

It is Worth noting that this process only occurs when the engine is off. Otherwise, the system will open the purge solenoid valve canister by performing the purge. In this case, all the fuel vapors that have formed in the tank and did not have time to become liquid and are blown by the intake manifold of the engine and burned.purge valve canister

Thanks to this principle it is possible to note several advantages of using a canister:

  1. The Atmosphere is not polluted with harmful fumes.
  2. The Car will consume less fuel (even less than 1 percent, but still the fact remains-without the burnt gas vapor the engine would consume more fuel).

Symptoms adsorbers

Can get clogged and come into disrepair inherent in such details as the adsorber. Malfunction of the device can occur not only due to holes that occurred due to mechanical damage, but also due to natural deterioration (contamination) of the absorbing element. A symptom of the malfunction of this part may serve as the pressure in the tank. This happens due to the accumulation of a large number of vapors who have nowhere to hide from the system. Check the vehicle for the presence of these entities simply – you just have to open the gas cap and listen to her. If you heard the distinctive hiss, then in the tank has accumulated a lot of harmful vapors to the atmosphere.

You Can find out the fault in other ways. For example, after warm up the engine to a temperature higher than 60 degrees Celsius begin to significantly decrease the speed of the car at idle. In motionthe car can suddenly stall for no apparent reason.

If these symptoms occur with your car, be sure to check the canister. You can do so – disconnect the hose that goes from the valve to the manifold and drown it for a few days. If symptoms have not disappeared, and the machine still gives "freaks" with the revs, then most likely the charcoal canister is clogged.

EVAP malfunction

Of Course, pocketed the device the machine will go, as before, but it will have a “floating” idle. However, it should be noted that if time does not fix this problem, or at least not to issue periodically from the reservoir data formation, on the filling cap of the tank is simply “shot” of the neck, and perhaps even opens. And where it goes, nobody can predict not able to. In any case, each time approaching the cap, to fear for her unauthorized “shot” is simply unreasonable-it is easier to change this part, especially because it is not too expensive.

How to replace the canister?

To Change this detail in the service center or by yourself. But since the amount of work is not too large and complicated (just replace the charcoal canister you will spend 15-20 minutes of time), install this device quite possible with their hands. Below we will explain in more detail how to replace this item at home.

Cooking tools

First we need to prepare a new canister, approximately 100 centimeters of rubber hose for him, a few clamps, engravers and bolts. It should be noted that the hose must have oil and gasoline resistance and equipped in such detail as the EVAP purge valve.

Start work

Work will Start with the dismantling part. sensor canisterYou must First release it from the fasteners, then disconnect the hose feeding the fuel vapors to the throttle, and wires to block. Next, removed purge valve. Also disconnected the outlet hose from the fuel separator. Unscrew and remove the bracket. Make it easy, as it is mounted on only three bolts.

Installation

At this stage, the canister is successfully removed. You are now ready to install the new device. Most long section of rubber hose attached to the pipe feeding the fuel vapors to the purge channel. The part of the hose that has a smaller size, is attached to the sampling tube from the separator. Then stick it on the mount. Now connect the vapor hose to the purge channel. The latter is mounted on the motor cover. This also connects the pad with the wires. Between the purge valve and the canister should be installed a long hose. We will remind, all rubber tubing must be resistant to engine oil and gasoline. The old hose with the tube of the check valve is removed. In its place is installed a short section of details. All, at this stage, the canister is successfully installed. As you can see, the installation of this device can be produced without the help of specialists.

Finally, we note that many car owners set the Vase on the tenth of the family adsorbers from a younger model – “prior".

canister photo

Diagnostics valve with your hands

If you need to replace only the valve of the canister, then certainly there's no need to go to the STO. Unlike the installation, this work will require you few minutes of time and only one Phillips screwdriver. Find this device is easy, and it costs only 500-600 rubles. Well, Phillips screwdriver, there are everyone in the house. Along with the valve you can change the sensor charcoal canister, as it directly controls the first part. However, it should be done only when the sensor produces extraneous sounds in the form of cracking.

First, can completely test the valve for correct operation. To check the details we'll need a multimeter and a few lengths of wires.

First, release the latch and remove the connector harness from purge valve. Next, attach the negative probe of the voltmeter to the “mass”. Ignition on, measure voltage at terminal "And" the pad wires.

The Result should be at least 12 volts. If there is no voltage or it is less than normal, most likely you have a discharged battery or a faulty ECU.

With the help of a Phillips screwdriver weaken the clip on the tube to the valve. Remove the hose from the nozzle. Prying with a screwdriver, remove the valve from the canister. The findings are served voltage of 12 V from the battery (plus to the conclusion “And” minus “In”).

If the valve is then opened with a distinctive click, the device must be replaced. By the way, if the new element is absent o-ring, it can borrow from the old part. However, this is valid only under the condition that the ring has no mechanical damages and microcracks. Otherwise, the sealing part must also be replaced.

How to change the valve?

So get to work. You first need to disconnect the car then remove the negative terminal from the battery. Next, disconnect the plug from the KPA.

For this to get to this part, a little free the clamp of the inlet pipe. Removing it from the sensor mass air flow, attach to the side. Now, in order to remove yourself the MAF, slightlybent mount valve can be easily dismantled. The withdrawal of the attachment is approximately 1 centimeter.

After that you need to pull it up on the grooves. So this part is very simple. But the valve is the charcoal canister still installed. Next we need to remove some of the inlet fittings on each side. One of them is removed is quite simple, but the second can cause problems. The fact that the inlet fitting is fixed with a special latch. To withdraw the received bonus, you need to drown the clip and pry the plastic antennae (the fitting is lifted up a bit).

At this stage, the valve of the canister is successfully removed. Install new in reverse order.

Conclusion

Kalina canister

Canister – what is this device? In this article you figured out how important for the car is this element and what structural elements it consists of. The canister is arranged in such a way that communicates directly with the catalyst. And while the machine is warming up, it collects gasoline vapors in the fuel tank so they do not penetrate into the exhaust manifold (the penetration of vapor into the cold car catalyst is undesirable). And if you are wondering about the right car the canister or not, we will answer you the following: if you have no catalyst, without this device, you can safely continue running (of course, assuming that you don't have to think about the environment and environmental regulations technical inspection).

So we figured out what the canister vases, and how to replace it. Remember that this detail is of great importance for passenger cars with an environmental standard "Euro 3" or more. In the absence of this element the concentration of harmful vapors will be substantially increased, accordingly, the car will lower its level of environmental friendliness with the "Euro 3" with "Euro 1" or 2.


Article in other languages:

AR: https://tostpost.com/ar/cars/1194-the-canister---what-is-it-what-charcoal-canister-the-canister---faulty.html

BE: https://tostpost.com/be/a-tamab-l/2046-adsorber---shto-geta-dlya-chago-patreben-adsorber-adsorber---nyaspra-n.html

DE: https://tostpost.com/de/autos/2043-adsorber---was-ist-das-was-ist-der-adsorber-adsorber---st-rungen.html

ES: https://tostpost.com/es/coches/2048-adsorbente---qu-es-esto-para-qu-sirve-el-adsorbente-adsorbente---la-av.html

HI: https://tostpost.com/hi/cars/1194-the-canister---what-is-it-what-charcoal-canister-the-canister---faulty.html

JA: https://tostpost.com/ja/cars/1193-the-canister---what-is-it-what-charcoal-canister-the-canister---faulty.html

KK: https://tostpost.com/kk/avtomobil-der/2046-adsorber---b-l-ne-ne-sh-n-adsorber-adsorber---a-au.html

PL: https://tostpost.com/pl/samochody/2049-adsorber---co-to-jest-do-czego-s-u-y-adsorber-adsorber---usterki.html

PT: https://tostpost.com/pt/carros/2046-adsorber---o-que-isso-para-que-serve-a-adsorber-adsorber---mau-funcion.html

TR: https://tostpost.com/tr/arabalar/2051-adsorber---bu-nedir-ne-i-in-laz-m-adsorber-adsorber---ar-za.html

UK: https://tostpost.com/uk/avtomob-l/2048-adsorber---scho-ce-dlya-chogo-potr-ben-adsorber-adsorber---nespravnost.html






Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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