What kind of oil to fill in Chevrolet Cobalt automatic transmission. We change the automatic transmission oil on a Chevrolet Cobalt with our own hands. How does a complete and partial oil change occur in a Chevrolet Cobalt automatic transmission?

The Chevrolet Cobalt is a compact golf car, originally created for the American market. The 2004 model had a sporty image and was equipped with powerful engines. For example, the top versions of the first generation Cobalt had 2.0 turbo engines with a power of 200-260 horsepower. Sales were discontinued in 2010, and a year later the second generation Cobalt premiered. Self-titled budget sedan was not available to the USA, but it was supplied to Russia. The car was equipped with a 1.5-liter engine with a power of 105 hp. s., which worked with manual transmission or automatic transmission. Sales continued until 2015, then the car was renamed Ravon R4.

Automatic transmission oil change schedule

According to the recommendations of experienced motorists and specialists, the frequency of oil changes in a Chevrolet Cobalt automatic transmission is 60-100 thousand km. Below are examples of negative climatic factors, as well as driver errors, in which the automatic transmission oil change schedule will have to be reduced by two to three times.

The driver violates traffic rules, starts and brakes abruptly, actively changes lanes and makes instantaneous maneuvers without any need
The gearbox overheats due to frequent shifts, which can be caused by active use in urban environments, where there are a lot of traffic lights. In this situation, they are lost faster beneficial properties oils
Regular operation of the vehicle off-road (rocks, sand, gravel, snow), as well as in rainy and slushy weather, in conditions of extremely high or low ambient temperatures
Towing and driving maximum speeds higher than cruising

Signs of untimely oil change in automatic transmission

The oil pressure in the line drops, which is caused by low level oil in the automatic transmission, a malfunction of the oil pump relief valve, as well as contamination of the solenoids or valve body with wear products
Slipping when changing gears
Movement is impossible, despite the complete working order of the gearbox.

Original – GM Original Dexron VI
Alternative – Shell, Mobile, Valvoline

First generation " Chevrolet Cobalt"was originally sold exclusively in the North American market. First appearing in local car dealerships in 2004, the car was a fairly roomy sedan at a very affordable price with good performance power unit. But in 2008, production of the model was discontinued, replacing the Cobalt. During this time, about a million copies of “Cobalt2. In 2011, it was decided to continue production of the model at the Brazilian plant for the South American market, but soon the cars began to be exported to the Middle East and the car markets of Eastern Europe.

Instructions for changing oil in Chevrolet Cobalt.

Since 2013, the assembly of Cobalts has been established in Uzbekistan - these are the models that have become the most popular and accessible for Russian car enthusiasts. In 2016, this sedan changed its name to Ravon R4. The Uzbek car with a one and a half liter engine was produced with. Changing the oil in a Chevrolet Cobalt manual transmission is a fairly standard procedure; in cars with an automatic transmission, you will have to try pretty hard to do this, since without special equipment(which is quite expensive) is only possible partial replacement transmission fluid.

When to change the oil in a Chevrolet Cobalt car

In the manuals for cars of American and Brazilian assembly, it was stated that TM oil for this model, regardless of the type of gearbox, does not need to be changed throughout the entire life of the car. Most likely, the manufacturers assumed that throughout warranty period nothing will happen to the box. In our conditions, there are recommendations - this is 100 thousand mileage for a manual transmission and 75 thousand for an automatic transmission. Considering the quality of our roads, the Chevrolet Cobalt should be serviced 15-20 thousand kilometers earlier, especially with an aggressive driving style.

Checking the level and quality of transmission oil

In an automatic transmission, the working fluid level is checked using a dipstick, as in manual transmission. But there are also differences: on the automatic oil dipstick there are two pairs of marks marked “Max” and “Min” - the upper one, used to measure the oil level in the Chevrolet Cobalt automatic transmission when the car is warm, and the lower one, with which you can determine the level on a cold car. To find out the condition of the transmission fluid, simply apply a few drops of oil from the dipstick onto white paper or cloth. The darker the color, the worse quality oils

By the way, original ATF filling fluids differ in color: for the transmission and power steering, a red-tinged fluid is used, motor oil yellowish in color, antifreeze has a green or blue tint, which makes it easier to identify leaks.

What kind of oil to fill

The oil volume in the Chevrolet Cobalt box with automatic gear shifting is 7.8 liters (Dexron VI, catalog number 93165414). With a partial replacement, which you can do yourself, you will need about 4.5 - 4.7 liters. Instead of the original one, you can use transmission fluids from other manufacturers, but under conditions (Dextron 6). The amount of oil in a manual gearbox is 2 liters. The original lubricant is mineral water GL-4/5 with viscosity parameters SAE 75W85, which can be replaced with synthetic 75W90.

Changing the oil in a manual transmission

Sequence of actions for “Chevrolet Cobalt”:

Thus, a complete oil change in a Chevrolet Cobalt manual transmission is a procedure that does not require any special skills or the use of a large number of tools.

Partial replacement

Things aren't so good with the automatic transmission. It is enough to simply perform only a partial replacement of the TM on your own, while about 65 - 75% of the waste will remain in the system. You can increase the percentage of fresh fluid to 75 - 85, but this will require 2 - 3 more partial replacements with a mandatory break-in of the car between procedures (it is enough to drive 50 - 60 kilometers).

The algorithm is not complete replacement oils in automatic transmission "Chevrolet Cobalt":

To fill in fresh TM, we use the technological hole located in the same place where the dipstick is located.
We check the oil level first on a cold car, and then after running it in (it’s enough to drive 10 - 15 km).

How to completely change the oil

It is unlikely that you will be able to completely change the oil in a Chevrolet Cobalt automatic transmission on your own - this will require expensive specialized equipment (compressor), which is not available in every car service center. In this case, the transmission is completely flushed using one and a half or double volume of oil, which will cost more than 2 - 3 partial replacements (excluding the cost of the work itself).

Note that mileage is not the main guideline indicating the need to change the oil in the gearbox. The most important criterion is the degree of contamination of the transmission fluid, which should be determined regularly, at least once a year.

Changing the oil in a Chevrolet Cobalt gearbox is most often associated with the repair of the automatic transmission itself, or it is replaced with a new one during work to eliminate oil leaks, since it must be drained to carry out the work. Automatic transmission oil is filled by the manufacturer once for the entire service life of the vehicle. Changing the oil in Chevrolet automatic transmission It is recommended to entrust Cobalt to professionals, but in some cases you can handle this operation on your own.

Functions of ATF oil in a Chevrolet Cobalt automatic transmission:

effective lubrication of rubbing surfaces and mechanisms;
reduction of mechanical load on components;
heat removal;
removal of microparticles formed due to corrosion or wear of parts.

The color of ATF oil for Chevrolet Cobalt automatic transmission allows you not only to distinguish between oil types, but also helps to find out in the event of a leak, from which system the fluid escaped. For example, oil in automatic transmission and power steering is red, antifreeze is green, and engine oil is yellowish.

Reasons for oil leakage from an automatic transmission in a Chevrolet Cobalt:

wear of automatic transmission seals;
wear of the shaft surfaces, the appearance of a gap between the shaft and the sealing element;
wear of the automatic transmission sealing element and the speedometer drive shaft;
automatic transmission input shaft play;
damage to the sealing layer in the connections between automatic transmission parts: pan, automatic transmission housing, crankcase, clutch housing;
loosening the bolts that connect the above automatic transmission parts;

Low oil level in a Chevrolet Cobalt automatic transmission is the main cause of clutch failure. Due to low fluid pressure, the clutches do not press well against the steel discs and do not contact each other tightly enough. As a result, the friction linings in the Chevrolet Cobalt automatic transmission become very hot, charred and destroyed, significantly contaminating the oil.

Due to a lack of oil or poor quality oil in the Chevrolet Cobalt automatic transmission:

the plungers and channels of the valve body become clogged with mechanical particles, which leads to a shortage of oil in the bags and provokes wear of the bushing, rubbing parts of the pump, etc.;
the steel discs of the gearbox overheat and wear out quickly;
rubber-coated pistons, thrust discs, clutch drum, etc. overheat and burn;
The valve body wears out and becomes unusable.

Contaminated automatic transmission oil cannot fully remove heat and provide high-quality lubrication of parts, which leads to various malfunctions of the Chevrolet Cobalt automatic transmission. Heavily contaminated oil is an abrasive suspension, which under high pressure creates a sandblasting effect. Intense impact on the valve body leads to thinning of its walls at the locations of the control valves, which can result in numerous leaks.
You can check the oil level in a Chevrolet Cobalt automatic transmission using a dipstick. The oil dipstick has two pairs of marks - the upper pair Max and Min allows you to determine the level on hot oil, the lower pair - on cold oil. Using a dipstick it is easy to check the condition of the oil: you need to drop some oil onto a clean white cloth.

When choosing a Chevrolet Cobalt automatic transmission oil for replacement, you should be guided by a simple principle: it is best to use oil recommended by Chevrolet. Moreover, instead of mineral oil You can fill in semi-synthetic or synthetic, but in no case should you use oil of a “lower class” than the prescribed one.

Synthetic oil for automatic transmission Chevrolet Cobalt is called “non-replaceable”; it is filled in for the entire life of the car. This oil does not lose its properties when exposed to high temperature and is designed for a very long service life of the Chevrolet Cobalt. But we must not forget about the appearance of mechanical suspension as a result of wear of the clutches over a very significant mileage. If the automatic transmission has been operated for some time in conditions of insufficient oil, it is necessary to check the degree of contamination and, if necessary, replace it.

Methods for changing the oil in a Chevrolet Cobalt automatic transmission:

Partial oil change in a Chevrolet Cobalt box;
Complete oil change in a Chevrolet Cobalt box;

A partial oil change in a Chevrolet Cobalt automatic transmission can be done independently. To do this, just unscrew the drain on the pan, drive the car onto an overpass, and collect the oil in a container. Usually up to 25-40% of the volume leaks out, the remaining 60-75% remains in the torque converter, that is, in fact this is an update, not a replacement. To update the oil in a Chevrolet Cobalt automatic transmission in this way to the maximum, 2-3 changes will be required.

A complete Chevrolet Cobalt automatic transmission oil change is carried out using an automatic transmission oil change unit, car service specialists. In this case, more ATF oil will be required than the Chevrolet Cobalt automatic transmission can accommodate. For flushing, one and a half or double volume of fresh ATF is required. The cost will be more expensive than a partial replacement, and not every car service provides such a service.
Partial replacement of ATF oil in a Chevrolet Cobalt automatic transmission according to a simplified scheme:

Unscrew the drain plug and drain the old ATF oil;
We unscrew the automatic transmission pan, which, in addition to the bolts holding it, is treated along the contour with sealant.
We gain access to the automatic transmission filter; it is advisable to change it at every oil change, or rinse it.
At the bottom of the tray there are magnets, which are necessary for collecting metal dust and shavings.
We clean the magnets and wash the tray, wipe it dry.
We install the automatic transmission filter in place.
We install the automatic transmission pan in place, replacing the automatic transmission pan gasket if necessary.
We tighten the drain plug, replacing the drain plug gasket for the automatic transmission.

We fill the oil through the technological filler hole (where the automatic transmission dipstick is located), using the dipstick we control the oil level in the automatic transmission when it is cold. After changing the oil in an automatic transmission, it is important to check its level after driving 10-20 km, already with the automatic transmission warmed up. If necessary, top up to level. The regularity of oil changes depends not only on the mileage, but also on the nature of driving the Chevrolet Cobalt. You should focus not on the recommended mileage, but on the degree of contamination of the oil, systematically checking it.

Automatic transmission oil is working fluid. Its condition is important not only for the operation of automatic transmission components, but also for the engine and the entire car as a whole. Changing the oil in a Chevrolet Cobalt automatic transmission can be complete or partial. A partial replacement involves draining the oil naturally through an unscrewed sump plug (sometimes you need to remove the entire automatic transmission sump, depending on the car model). With this method, 30-40% of the oil is changed, the rest remains in the automatic transmission mechanisms.

It changes during regular service. A complete oil change in a Chevrolet Cobalt automatic transmission is carried out using special equipment at a service station. In this case, an installation hose is connected to the automatic transmission cooling radiator and the oil is squeezed out under pressure. The frequency of oil changes in a Chevrolet Cobalt automatic transmission, recommended by the manufacturer, is 15-20 thousand km for a partial change and 50-60 thousand km for a complete one. But these terms greatly depend on the operating conditions of the car /

The cost of changing the oil in a Chevrolet Cobalt automatic transmission:

Under increased loads, aggressive driving style, operation of the car in extreme conditions, if the car sits idle in traffic jams every day, it is recommended to do a complete oil change every 25 thousand km. During a complete replacement, the service station in St. Petersburg checks the condition of the automatic transmission using suspensions in the used oil.

They also wash the pan, clean reusable filters, and change the oil pan gasket. Disposable filters are replaced. The cost of changing the oil in a Chevrolet Cobalt automatic transmission depends on the type of replacement, the make of the car, whether the client buys a little at the service center or comes with his own, etc.

It is important to monitor your vehicle's oil level. If there is insufficient quantity or if there is excess, subsequent repair of the automatic transmission is ensured. The oil level is checked with a special dipstick or sensor. In addition to the oil level, you also need to monitor its cleanliness - dirty oil is darker than the original due to suspended particles in it.

Transmission oils differ in their characteristics. It is very important that the brand of oil being poured matches that recommended by the manufacturer. Mixing is also not allowed different oils. For example, you bought a used car and don’t know what kind of oil is in the automatic transmission. Then it’s better to do a complete oil change for your Chevrolet Cobalt automatic transmission in our service center.

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Home » Choice » How to change the oil in a Chevrolet Cobalt automatic transmission video

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Home » News » Checking the oil level in the Chevrolet Cobalt automatic transmission

The easiest way to change the oil is at a service station, service center or any other organization involved in the maintenance and repair of vehicles.

If you need to do it yourself, there is no need to be afraid - everything is doable.

Changing the oil in a manual transmission on a Chevrolet Cobalt

Step-by-step instructions on how to change transmission fluid in a Chevrolet Cobalt manual transmission:

remove the protection of the engine power unit;
We place a tray with a volume of at least two liters under the box housing;
Using a 9.5 wrench, unscrew the drain plug;
drain the old slurry;
put the plug back;
remove the control hole plug using a wrench;
use a syringe to fill in new oil to the bottom edge of the hole;
We return the plug and protection of the power unit back.

It is best to change it immediately after the trip, when it has not yet thickened. In case of severe contamination, the presence of a large number of clots and mechanical impurities, it is recommended to fill a fresh portion before filling.

For this purpose, low-viscosity liquids or special cleaning agents are used. Thus, if you follow the instructions, even doing it on your own is not so difficult.

Another question arises: is this necessary to do at all?

Is it necessary to change the oil in a manual transmission?

The automaker claims that the oil poured into a manual transmission is for the entire service life of the unit.

However, situations arise when you have to change it:

the transmission was repaired;
the vehicle is operated in a climate where winter temperatures drop below minus 30 degrees Celsius;
transmission performance has deteriorated.

Checking the level and quality of oil in the manual transmission

Oil in the manual transmission must be filled to the lower level of the inspection hole or to the upper mark on the dipstick.

If it is filled lower, it will lead to malfunctions of the box, if higher, it will leak. The level should be checked when the car is in a horizontal position - on a platform or suspended on a lift.

The quality of a substance can be determined by appearance. It is a transparent oily liquid without clots or mechanical impurities. The color of the liquid depends on the manufacturer and may vary. If upon inspection it turns out that it has turned black, thickened, or a sediment has appeared, then it is better to change it.

What kind of oil to pour into a Chevrolet Cobalt manual transmission

To top up, you need to know what kind of oil was poured into the Cobalt transmission. As a rule, it is mineral, with SAE 75W-85. This viscosity class is aimed at temperate climates and is not suitable for severe frosts.

Residents of the northern regions are better off replacing it with synthetics of any viscosity class 75W-90 reliable brand. Transmission products are produced by the same brands that produce motor lubricants.

How much does a replacement cost?

At a car service center, changing transmission fluid for a Chevrolet Cobalt costs from 450 rubles, plus the price of the substance itself and additional manipulations. If you change it yourself, then the price of the issue will be equal only to the cost of the substance. A liter of transmission fluid from popular brands will cost from 400 to 800 rubles.

Changing the automatic transmission oil on a Chevrolet Cobalt

The replacement principle is similar to the procedure for replacing a manual transmission:

Replacement scheme:

put the car on a pit or overpass;
warm up the engine;
remove protection;
drain the old slurry through the plug;
return the plug to its place;
change the automatic transmission oil through the hole in the engine compartment;
putting everything back in place.

If there is a lot of liquid, it can be drained through the side inspection hole.

Is it necessary to change the oil in an automatic transmission?

It is necessary to change the oil in a Cobalt automatic transmission in the same cases as in a manual transmission - if the transmission has been repaired, if the car is operated in a cold climate, if the substance has ceased to cope with its duties.

Checking the level and quality of oil in the automatic transmission

Monitor the level and quality transmission oil in a Cobalt automatic transmission you can use a dipstick. It is poured to the level of the lower edge of the side inspection hole. You can also drain excess liquid through it. However, you must understand that draining excess is much more difficult than adding. Therefore, the replacement procedure is carried out carefully, adding liquid in small portions.

Automatic transmission oil type

Initially, the modification with an automatic transmission is filled with “mineral water” from GM with the same viscosity class as on the manual – SAE 75W-85. You can replace it with a mineral or synthetic product with a similar SAE or 75W-90, 80W-90 of any brand you like. The main thing is that the Dexron VI specification is present.

Partial or complete automatic transmission oil change

In the Cobalt automatic transmission, both partial and complete replacement of the transmission fluid is possible.

Partial

This is exactly what you can do at home. Self-draining through the bottom hole does not allow you to drain everything, but only about two-thirds. If there are 8 liters of liquid in the car, only 5 of them are drained.

Full

This method is only possible in a car service if there is special equipment - a displacement apparatus, which, using pressure, removes all the old fluid from the system.

The effect of a complete replacement significantly exceeds the effect of a home procedure. It is recommended to do it if there is an urgent need, if serious operational problems arise. And partial prevention is enough to prevent problems.

How much does it cost to change automatic transmission oil?

Partial replacement of a Chevrolet Cobalt automatic transmission at a car service center will cost the same amount as for a manual transmission. But the cost of a full one is already from 1000 rubles and above. Washing or replacing the filter will require additional costs. The cost of consumables is from 400-500 rubles per liter. It should be noted that a partial replacement will require approximately 5 liters, and a full replacement will require all eight.