Replacing the Opel Astra N antifreeze is important for optimal engine performance. In the Astra N cooling system, it is allowed to use only red (dark orange) antifreeze, which, with prolonged use, can turn yellow. The recommended Opel is 1940650 or 09194431.

The frequency of replacement and the amount of antifreeze Opel Astra N

The Opel Astra N maintenance regulation prescribes checking the level and color of the coolant every 15,000 km. Replacement should be done when the liquid has strongly changed color, the level and density have changed. Some drivers prefer not to bother with the question "when to change antifreeze" and make a replacement every 45,000 km. In any case, regardless of mileage, coolant should be changed every 2 years, because after this time, anti-corrosion additives lose their properties.

How much antifreeze to fill

How to change Opel Astra N antifreeze

Replacing antifreeze Astra N may also be needed when repairing an engine, during which the cylinder head or cylinder head gasket, radiator, heat exchanger was changed. Change coolant possible only on a cold engine, at least a few hours after the trip.

Based on the maintenance schedule for the Opel Astra H machine, the antifreeze should be replaced if the shade or color of the working fluid changes. At the same time, the frequency of checking the cooling system is once every 15,000 km.

Many car owners go the easy way and change antifreeze every 45,000 km. If we consider the frequency of such work, from the standpoint of the terms of operation, then it is necessary to drain the old and fill in the new coolant every two years. This is due to the fact that, at the end of this period, the additives in the antifreeze lose their qualities, and the risk of engine overheating increases.

What antifreeze is better and how much to pour into Opel Astra N?

The service life and characteristics of the engine depend on the timeliness of replacing antifreeze. The correct choice of coolant is of no less importance. In Opel Astra H cars, the use of dark orange or red compounds is allowed, which, with prolonged use, can acquire a yellow tint.

The best option is the use of G12 antifreezes, designed for Opel cars. Do not fill in coolant containing silicate. It can be recognized by its green-blue tint. This is extremely important, because ignoring this requirement can lead to system failure.

Before replacing antifreeze, it is worth deciding on the required volume of coolant - how much to pour. This parameter depends on the type of motor. For example, engines Z14 XEL and Z14 XEP require 5.6 liters of coolant, for Z16 XEP and Z18 XE - 5.9 liters, for Z17 DTL and Z17 DTH - 6.8 liters, and for Z13 DTH - 7.6 l.

Antifreeze for Opel Astra N from General Motors

Replacement process

The reason for replacing antifreeze with an Opel Astra H may be not only mileage or the past 2-year period. It is advisable to do such work after repairing the engine, replacing the cylinder head or cylinder head gasket, installing a new heat exchanger or radiator. You can change the coolant only on a cold engine, a few hours after the trip.

In the process of replacing antifreeze, be careful - the working fluid should not get on the timing belts, because it contains glycol. If this happens, the resource of the part is reduced, and the risk of breakage increases during operation.

Draining antifreeze

How to drain antifreeze from Opel Astra H? The algorithm of actions is as follows:

1. On an appropriately equipped vehicle, turn off or put the air conditioner in ECO mode.
2. Remove the cover installed on the neck of the expansion tank. Be careful as there is a risk of burns if the engine is not completely cooled down. For protection, cover the lid with a rag.
3. Raise the machine and place it on stands.
4. Remove the engine crankcase guard.
5. Place a prepared container of suitable volume under the main radiator. It will drain the coolant. To prevent splashing, put a tube on the branch pipe, and lower its other end into a container.
6. Open the cap on the radiator and wait until the antifreeze is drained from the system.
7. Close the valve and lower the machine.

Pouring new antifreeze

Above are instructions on how to drain the antifreeze. After removing the old fluid in the Opel Astra H cooling system, you can proceed to filling it. To do this, do the following:

1. Make sure that all pipes of the cooling path are in good condition, as well as that the fasteners are secure. If during the inspection, defective components were identified, replace them and stretch the clamps.
2. Remove the expansion tank cap and start slowly filling the system with clean, coolant.
3. Pour the working composition until its level in the tank is at the level of the lower branch pipe.
4. Screw on the cap on the expansion tank.
5. Start the engine and let it run until it reaches operating temperature. Increase the RPM to 2500 RPM to start the cooling fan installed on the heatsink.

Run the motor for two minutes to ensure that excess air locks are removed from the cooling system. At the same time, the number of revolutions of the Opel Astra H engine should be at the level of 2000-2500 rpm. Excess air will be discharged through the connecting and return pipes of the expansion vessel.

After completing the work, inspect the condition of the system elements for the fact of a leak. After that, turn off the engine and wait until it has completely cooled down. Reinstall the crankcase guard (if installed) and check the level of antifreeze in the system again. If it is below the norm, make an adjustment to the required volume. Finally, put on and tighten the tank cap.

If you follow the given algorithm, replacing antifreeze in an Opel Astra H car takes no more than an hour. Remember that filling the coolant on time will extend the life of the engine and avoid many problems during operation. For best results, use only the manufacturer's recommended antifreeze.

Video: Replacing antifreeze with an Opel Astra H

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Untimely replacement of antifreeze can cause the same harm as poor quality fuel. Antifreeze is an engine coolant. A boiling engine in a traffic jam and in heat - just happens due to the lack of replacement of the coolant. You can change the coolant safely at home, the whole process will take 30 minutes. Many drivers are intimidated by the trip to the service, the long waiting in line - therefore, the replacement is postponed until the very last moment. This very last moment happens, as a rule, on the roads, at the most inopportune time. How to avoid the development of such situations? Read further in the article.

When should antifreeze be changed?

There are no universal replacement times. There is a standard rule - replacement of antifreeze occurs every 40-50 thousand kilometers. But it is recommended to do this a little earlier.

In addition, the car can be operated in different load modes - therefore, to replace the coolant, it is better to adhere to a mileage of 25-30 thousand kilometers. Visually, the need for replacement is visible in the presence of the following indicators:

• Antifreeze Opel Astra h leaves - after a long parking of the car, oil spots appear under the engine;
• On the left, under the front bumper, streaks of brown liquid appear - Opel Astra H antifreeze is flowing;
• When the tank was opened, the color of the liquid became noticeably more transparent or of a mushy consistency;
• A very bad signal if there are oil streaks inside the tank. This means that the heat exchanger has leaked inside the car's engine. The engine oil has mixed with the coolant. In this case, immediately take the car to the service for inspection;
• The volume of antifreeze Opel Astra H is on the scale of the initial fill;
• Since the last filling, the mileage has been more than 25 thousand kilometers;
• The engine temperature is in the red zone - the cooling mode of the engine will jam its operation. An urgent need to change the coolant.

Replacement process

The process of replacing the refrigerant in Opel is quite simple. In the Opel Astra J, the replacement of antifreeze is similar to the Opel Astra h, as is the replacement of the Opel Astra G antifreeze.

• Preparing a container for draining the waste liquid. You can take a simple 5 liter plastic bottle. At the top we make a hole in the shape of a rectangle 5 by 3 cm. Waste liquid will be drained into this hole;
• Turn off the engine, it is better to drain the antifreeze when the Opel has been standing for 15-20 minutes;
• We carry out the whole process on a level platform;
• Buy new coolant from trusted suppliers. In no case with hands, where the liquid is on the trays under the direct influence of the sun or temperature conditions.

Draining antifreeze

How to drain the antifreeze on the Opel Astra J or drain the antifreeze on the Opel Astra H - the processes are similar in time and complexity.

• Under the front bumper, in the area of ​​the left headlight, we are looking for a coolant drain cone. We substitute the container and unscrew it;
• A thin trickle of antifreeze will slowly drain off. The color is brown or bright pink. Depending on the originally acquired color (indicator - the engine must be cooled with a new liquid);
• Next - pour distilled water into the tank (attention: not from the tap, but purchased distilled water that does not contain chlorine precipitation);
• We wash it 5-6 times. The color should be pale pink (blue, yellow);
• Cleaning is complete. We pour all the waste liquid into a technical drain (not in domestic conditions - the liquid is poisonous).

Pouring new antifreeze

We choose the brand of antifreeze in accordance with the type of engine:

• Marking 11: not very high-quality liquid, fill in as a last resort. Suitable for old models of the Soviet car industry or foreign cars;
• G12 marking (includes carbon-silicate) - high-quality refrigerant, suitable for engines operating at high speeds;
• G13 marking - contain propylene glycol. Nothing different from the previous type, but does not contain poisonous properties.

The color of the antifreeze does not matter. Produced respectively in different combinations. From red and pink to blue and yellow.

The best advice on choosing a coolant is Opel recommendations. We open the Opel operating manual on the last page - all brands of consumables are given there with a complete list.

Antifreeze for Opel Astra H

The table shows - the type and color of the required antifreeze for filling in the Opel Astra H,
produced from 2004 to 2013.

Year	Engine	Type of	Colour	Lifetime	Recommended manufacturers
2004	gasoline, diesel	G12	Red	5 years	MOTUL Ultra, MOTUL Ultra, G-Energy
2005	gasoline, diesel	G12 +	Red	5 years	Chevron, AWM, G-Energy, Lukoil Ultra, GlasElf
2006	gasoline, diesel	G12 +	Red	5 years	Chevron, G-Energy, Freecor
2007	gasoline, diesel	G12 +	Red	5 years	Havoline, MOTUL Ultra, Lukoil Ultra, GlasElf
2008	gasoline, diesel	G12 +	Red	5 years	Havoline, AWM, G-Energy
2009	gasoline, diesel	G12 +	Red	5 years	Havoline, MOTUL Ultra, Freecor, AWM
2010	gasoline, diesel	G12 +	Red	5 years	Havoline, AWM, G-Energy, Freecor
2011	gasoline, diesel	G12 +	Red	5 years	Frostschutzmittel A, VAG, FEBI, Zerex G
2012	gasoline, diesel	G12 ++	Red	from 5 to 7 years	Freecor QR, Freecor DSC, Glysantin G 40, FEBI
2013	gasoline, diesel	G12 ++	Red	from 5 to 7 years	FEBI, VAG, Castrol Radicool Si OAT

When buying, you need to know the shade - Colour and Type of antifreeze suitable for the year of manufacture of your Astra H. Select the manufacturer at your discretion. Do not forget - each type of fluid has its own service life.
For example: for Opel Astra (Body H) 2004 onwards, with a gasoline or diesel engine type, suitable - carboxylate class of antifreeze, type G12 with shades of red. The approximate next replacement time is 5 years. If possible, check the selected fluid to meet the vehicle manufacturer's specifications and service intervals. It's important to know Each type of liquid has its own color. There are rare cases when a type is tinted with a different color.
The color of red antifreeze can be from purple to light pink (green and yellow have the same principles).
Mix liquid from different manufacturers - can if their types match the mixing conditions. G11 can be mixed with G11 analogues G11 cannot be mixed with G12 G11 can be mixed G12 + G11 can be mixed G12 ++ G11 can be mixed G13 G12 can be mixed with G12 analogues G12 cannot be mixed with G11 G12 can be mixed with G12 + G12 cannot be mixed with G12 ++ G12 cannot be mixed with G13 G12 +, G12 ++ and G13 can be mixed with each other Mixing of Antifreeze with Antifreeze is not allowed. No way! Antifreeze and Antifreeze are very different in quality. Antifreeze is the trade name of the traditional type (TL) of the old-style coolant. At the end of its service life, the liquid completely discolours or becomes very dull. Before changing one type of fluid to another, flush the car's radiator with plain water. ... Additionally

How to choose and replace antifreeze Opel astra

Opel Astra models H and J antifreezes. Replacement rules, instructions for draining and filling, as well as useful tips for the Astra cooling system.

Choosing antifreeze for Opel Astra

When choosing a coolant for an Astra, the ideal product is a GM Genuine product. Any other red liquid labeled G11 can act as a substitute. It is very important that the Opel Astra antifreeze is filled with one kind, for example you cannot add red to green or G11 to G12.

Replacing antifreeze Opel Astra H

According to the rules, the change in antifreeze in Astra is made every 45 thousand km or every 2 years. You don't need special skills and equipment to replace yourself. Any work with coolant can be done on a cooled engine. The vehicle must be on a level surface.

1. Open the expansion tank first
2. Then, on the radiator tube of the drain valve, you must put on a hose, insert the end into the drain container and turn the valve.
3. To completely drain the Opel Astra cooling system, you must move the clamp holding the throttle heating pipe and remove the nipple from the seat of the intermediate pipe.
4. Fill until it evaporates from the remote nozzle. Then put it back in place. Then it is necessary for the engine to warm up to operating temperature and check the level in the expansion tank. If the level is below the required level, top up.

Opel Astra J Antifreeze replacement

Replacement antifreeze.

Opel correct coolant change !!

How did I change standby)))

Replacing antifreeze Opel astra J

The Opel Astra J coolant must also be changed every 45,000 km or every 2 years.

During the procedure, the car must be on a level surface. The process flow is as follows:

1. First of all, open the cover of the expansion tank.
2. Connect a hose to a drain and place the end in a container to drain.
3. Open the tap.
4. Refill new product until it runs away from the throttle valve, it must be removed beforehand by loosening the clamp.
5. Check the level with the engine warm, top up if necessary.

Why antifreeze is leaving?

Such reasons for Opel astra enough. Coolant may be leaking from a radiator, pump, or cracked hose. Also, a gateway could be the cause. If the leak is small, then this will help remove special chemical compounds that pour into the Opel Astra expansion tank and plug small holes. But this is a temporary solution.

In order to avoid the appearance of air congestion in the system during the filling of funds, it is necessary to periodically heat the radiator pipes.

If, after a few days after replacing the antifreeze, it has changed color, then it is a fake product and it must be drained immediately.

If the cooling system Opel astra heavily soiled or antifreeze has not been replaced for a long time, it is recommended to rinse it. For this, there are special chemical compounds.

After draining the coolant, the system is filled with flushing composition and is switched on for about 30 minutes at maximum heating. The composition is then drained and the refrigerant discarded.