Original Nissan coolant: technical features and operating instructions

Coolant is one of the most underrated yet critical components in a vehicle's system. Not only the stability of the engine, but also the life of the pump, radiator, pipes and even the cylinder block depends on its quality. Nissan uses original fluids with a unique chemical composition, which are developed for specific models - from compact Micra to powerful Patrol. However, many owners are faced with a dilemma: fill in branded antifreeze or save on analogues?

In this article we will look at what the original coolant is Nissan differs from universal options, how to replace it correctly without risk to the cooling system, and why mixing different types of antifreeze may result in costly repairs. We will pay special attention to models Qashqai, X-Trail And Navara, where the fluid requirements are most stringent. You will also find step-by-step replacement instructions, a compatibility table and answers to frequently asked questions - from service life to signs of counterfeit.

How does original Nissan fluid differ from analogues?

Branded coolant Nissan Coolant Long Life (article KE902-99932 for concentrate or KE902-99931 for ready-made solution) is developed taking into account the materials used in the cooling systems of Japanese cars. In its composition - organic corrosion inhibitors based on carboxylate compounds, which form a protective layer only in areas of potential oxidation, without impairing heat transfer.

Unlike traditional silicate antifreezes (e.g. G11), original liquid Nissan:

• 🔹 Does not form deposits on the radiator walls and pipes, which is critical for turbocharged engines (for example, GT-R or 370Z).
• 🔹 Compatible with aluminum and magnesium alloys, widely used in modern models (Ariya, Leaf).
• 🔹 Has an extended service life - up to 5 years or 100,000 km (provided there is no dilution with water).
• 🔹 Maintains stability at temperatures ranging from -37°C to +130°C, which is important for regions with extreme climates.

Key difference from universal antifreeze (G12++, G13) — special additive Nissan Super Long Life Coolant Additive, which prevents cavitation erosion of cylinder liners. This is especially true for diesel engines Navara And NP300, where vibrations and high loads accelerate metal wear.

⚠️ Attention: Liquids with markings Nissan Coolant Type D (green) are intended for older models before 2000 (Terrano, Pathfinder R50). They cannot be used in modern cars - this will lead to the destruction of the plastic elements of the cooling system.

Composition and technical characteristics of the original antifreeze

Original coolant Nissan belongs to the class OAT (Organic Acid Technology) and meets specification JIS K 2234. It is based on ethylene glycol (up to 90%) and distilled water, as well as an additive package including:

• 🧪 2-EHA (2-ethylhexanoic acid) - main corrosion inhibitor.
• 🧪 Sebacic acid — protects aluminum from oxidation.
• 🧪 Sodium benzoate - prevents scale formation.
• 🧪 Dye (blue or pink) — for visual monitoring of level and leaks.

An important nuance: the color of a liquid does not determine its properties! Original antifreeze Nissan for models after 2010 (Juke, Qashqai J11) has pink tint, and for older ones (X-Trail T31) — blue. However, some dealers may supply liquid without dye (transparent), which is not a sign of counterfeit.

Parameter	Value (original Nissan fluid)	Acceptable analogues
Freezing point	-37°C (at 50/50 dilution)	-35°C to -40°C
Boiling point	+130°C	+120°C and above
pH (acidity)	7.5–8.5	7.0–9.0
Service life	5 years / 100,000 km	3–5 years
Seal Compatibility	EPDM, silicone, fluorine rubber	Depends on the manufacturer

Particular attention should be paid to the parameter reserve alkalinity (at least 10 ml per 1 g of liquid). This indicator determines how long antifreeze can neutralize acids formed during operation. In cheap fakes, the reserve alkalinity is often underestimated, which leads to premature corrosion.

When and how often should you change the coolant?

Manufacturer Nissan indicates the following replacement intervals:

• 📅 Every 5 years or 100,000 km - for original liquid Super Long Life Coolant.
• 📅 Every 3 years or 60,000 km - for analogues (G12+, G12++).
• 📅 Every 2 years or 40,000 km — when operating in difficult conditions (frequent traffic jams, towing, off-road).

However there is signs of premature aging of antifreeze, in which replacement must be carried out ahead of schedule:

• 🔴 Darkening or cloudiness of the liquid (a sign of additive oxidation).
• 🔴 The appearance of flakes or sediment in the expansion tank.
• 🔴 A sharp decrease in level without visible leaks (possible evaporation of water or leakage through the cylinder head gasket).
• 🔴 The smell of burning or oil in antifreeze (signal of a gasket breakdown or a crack in the block).

⚠️ Attention: In models Nissan Almera N18 And Sentra B17 with engines HR16DE And MR20DE the original antifreeze loses its properties after 3-4 years due to the design features of the pump. Skipping replacement can result in overheating and deformation of the block head.

To check the condition of the fluid, you can use test strips (for example, Coolant Check from Liqui Moly). They show the pH level and the concentration of inhibitors. If the strip turns red (pH < 7) or green (pH > 9), the antifreeze must be urgently replaced.

Step-by-step instructions for replacing coolant

Replacing antifreeze in Nissan requires caution - especially in models with dual-circuit cooling system (VQ35DE, VR38DETT). Below is a universal instruction suitable for most gasoline and diesel engines.

Drain the old fluid (open the valve on the radiator and the plug on the block)

Rinse the system with distilled water (if heavily soiled, use a special cleaner)

Check the condition of the pipes and clamps

Prepare new liquid (dilute concentrate if necessary)

Place the car on a level surface with a slope forward (for complete drainage) -->

Required tools and materials:

• 🔧 Set of sockets and wrench 10 mm (for drain plug).
• 🔧 Funnel with a fine mesh (for filtering debris).
• 🔧 Container for draining with a volume of at least 10 l.
• 🔧 Distilled water (5–7 l for washing).
• 🔧 Original antifreeze Nissan Coolant (volume see table below).

Coolant volume for popular models:

Model	Engine	System volume (l)
Qashqai J11	MR20DD, R9M	7.2–7.8
X-Trail T32	QR25DE, M9R	8.0–8.5
Navara D40	YD25DDTi	9.5–10.0
Patrol Y62	VK56VD	12.0–12.5

Procedure:

1. Drain the old fluid through radiator drain valve (bottom left corner) and plug on the cylinder block (next to the oil filter). On models Juke And Note The block plug may be missing - draining is carried out only through the radiator.

2. Rinse the system with distilled water: fill, run the engine for 5–10 minutes (until the thermostat opens), drain. Repeat 2-3 times for heavily soiled areas.

3. Fill in new antifreeze through the expansion tank, avoiding the entry of air. For models with air lock (Murano Z51) after filling, you need to remove the throttle heating hose and wait for the liquid to appear.

4. Warm up the engine to operating temperature, check the level and top up if necessary. For the first time 500 km the level may drop - this is normal (the system self-airs).

⚠️ Attention: In hybrid models (Nissan Leaf, Ariya) Coolant circulates not only through the engine, but also through the inverter and battery. Replacement must be carried out by a certified specialist - errors in the procedure can lead to failure of high-voltage components!

What happens if you don't flush the system before replacing it?

Remains of old antifreeze (especially silicate) can react with the new fluid, leading to the formation of a gel. This gel will clog the radiator and heater channels, causing the engine to overheat. In the worst case, you will need to replace the radiator and pump (cost - from 30,000 ₽).

Is it possible to mix original antifreeze with analogues?

Short answer: no, you can't. Even if the analogue label states "compatible with Nissan", the risk of a chemical reaction remains. The fact is that the original liquid contains unique additives, which do not always interact stably with universal packages.

What happens when mixed:

• 🧬 Precipitation — additives of different types can coagulate, forming flakes that will clog the thermostat or heater radiator.
• 🧬 Boiling point reduction - the mixture may boil already at 110°C, which is critical for turbocharged engines.
• 🧬 Accelerated corrosion - for example, when mixing carboxylate (Nissan) and hybrid (G12+) antifreeze, aluminum begins to oxidize 2–3 times faster.

The exception is emergency situationswhen you need to add fluid on the road. In this case it is allowed to use distilled water (no more 30% of volume) or antifreeze of the same color and class (OAT). But at the first opportunity the system needs rinse completely and refill with original fluid.

If you still decide to switch to analog (for example, CoolStream A-110 or Sintec Unlimited), execute complete flushing using specialized tools (Liqui Moly Kuhlerreiniger). Residues from the original antifreeze may react with the new fluid even after several months.

How to distinguish an original liquid from a fake?

Fake antifreeze Nissan - one of the most common problems in the market. According to NIIAT, up to 40% The "original" liquid sold in uncertified stores does not meet the stated characteristics. Here signs of fake:

• 🔍 Packing: The original canister has holographic sticker with a serial number, which can be checked on the website Nissan. The seams of the canister are even, without burrs.
• 🔍 Color: The original liquid has a uniform shade (pink or blue), without turbidity. Counterfeits are often too bright or have sediment.
• 🔍 Smell: Real antifreeze Nissan practically no smell. A strong chemical smell indicates low-quality additives.
• 🔍 Price: Average cost of an original canister 5 l — 2 500–3 000 ₽. Liquid is cheaper 1 800 ₽ highly likely to be fake.

For additional checking you can use hydrometer (instrument for measuring density). Density of original antifreeze at +20°C must be within 1.078–1.085 g/cm³. You can also drop the liquid onto a white sheet of paper - after drying, the original does not leave greasy marks.

If you doubt the authenticity, buy the liquid from official dealer or check the certificate of conformity (the original canister shows the batch number and production date). On the website Nissan Russia There is section with information about original spare parts, where you can check the articles.

Common replacement errors and their consequences

Even experienced car owners make mistakes that reduce the life of the cooling system. Here are the most common:

• ❌ Using tap water to dilute the concentrate. Salts and minerals in water form scale, which clogs the radiator channels. Consequence: engine overheating and radiator replacement (from 20,000 ₽).
• ❌ Incomplete drainage of old antifreeze. Residues mix with the new liquid, reducing its protective properties. Symptoms: corrosion of the pump impeller, leakage through the thermostat gasket.
• ❌ Ignoring air jams. Air in the system leads to local overheating and deformation of the block head. Particularly dangerous for engines VQ37VHR (370Z), where the operating temperature reaches 110°C.
• ❌ Replacement without flushing when switching to another type of antifreeze. A chemical reaction between additives can damage the temperature sensor (cost - from 5,000 ₽).

Another common mistake is topping up antifreeze in different colors. For example, in the pink original (Qashqai J11) owners sometimes add green G11, believing that “color is not important.” In practice, this leads to the formation of gel-like clots that block the circulation of fluid through small circle (stove and engine block).

To avoid problems, follow a simple rule: use only the fluid specified in the service book. For most models Nissan after 2010 it is Nissan Coolant Long Life (pink), for old (Primera P12, Almera N16) — Nissan Coolant Type D (blue).

FAQ: Answers to frequently asked questions

Is it possible to use G12++ antifreeze instead of the original one?

Theoretically yes, but with reservations. G12++ (For example, Motul Inugel Optimal) technology compatible (LOAT), but does not contain additives Nissan Super Long Life Additive. This means that the protection against cavitation will be weaker and the replacement interval will be reduced to 3–4 years. For engines with aluminum block (HR16DE, MR20DD) it’s better not to take risks and upload the original.

What to do if the antifreeze darkens a year after replacement?

Darkening indicates oxidation of additives or oil entering the system. Required:

1. Check for leaks oil heat exchanger (common problem X-Trail T31).
2. Flush the system with a special cleaner (for example, Wynns Cooling System Flush).
3. Replace antifreeze and thermostat (if engine temperature is unstable).

If the problem persists, diagnose cylinder head gasket - Possible microcrack.

What kind of antifreeze is included in the 2023 Nissan Qashqai from the factory?

From factory to Qashqai J11 (including restyling 2023) filled Nissan Coolant Long Life (pink), article KE902-99931 (ready solution) or KE902-99932 (concentrate). This liquid is designed for 5 years or 100,000 km, but when operating in urban mode (frequent traffic jams), it is recommended to reduce the interval to 80,000 km.

Is it possible to mix original Nissan antifreeze with Toyota Super Long Life?

No! Despite the fact that both liquids belong to the class OAT, their additive packages differ. Toyota uses phosphates to protect aluminum, and Nissan - carboxylates. Mixing will cause sediment to form and clog the radiator. If you need to add fluid on the road, use only distilled water (no more 30% from volume).

What happens if you don’t change antifreeze for 7–8 years?

The consequences depend on the model, but in most cases:

• 🚗 Qashqai, X-Trail: corrosion of the pump impeller, leakage through the thermostat gasket, clogging of the heater radiator (repair - from 15 000 ₽).
• 🚗 Navara, Patrol: cavitation erosion of cylinder liners, risk of antifreeze getting into the oil (overhaul - from 150 000 ₽).
• 🚗 GT-R, 370Z: overheating of the turbine, deformation of the cylinder head (restoration cost - from 200 000 ₽).

Critical sign - antifreeze foaming in the expansion tank. This means that the additives have completely decomposed and the liquid no longer protects the metal.