Many owners of Japanese crossovers are faced with the need to service the transmission when the mileage approaches 60,000 kilometers. At this point, the issue of selecting the right consumables comes to the fore, since Nissan CVTs are extremely sensitive to the quality of lubricants. An error in selection can lead to expensive repairs of the valve body or even replacement of the entire unit.
The key parameter when searching is not just the brand, but exact compliance with the specification. If you are looking Nissan NS3 5L article number, then it is important to understand that we are talking about a specialized fluid for CVT continuously variable transmissions. Manufacturers often change catalog numbers, which creates confusion in the minds of car owners trying to save money on the original.
Explanation of catalog numbers and specifications
Original liquid Nissan CVT Fluid NS-3 designed specifically for the latest generations of Jatco CVTs installed on the Qashqai, X-Trail and Teana models. In dealer catalogs you may find different designations depending on the packaging. The standard container for retail sale is a one-liter canister, but there are also 4 or 5 liter packaging for complete replacement.
The main SKU for one-liter packaging looks like this: KE908-99934. If you require a volume of 5 liters, then it is logical to assume that this is either a package of five liter canisters, or a specific container that dealers order upon request. It is important to note that there are also alternative numbers on the market used in different distribution regions, for example, 99934-KE908 or KLE52-00004 (for 4 liters).
In addition to the original, manufacturers often produce analogues that also meet the NS-3 specification. However, when ordering, you should be extremely careful, since the external similarity of the packaging does not guarantee the chemical composition inside. Specification JATCO JF011E is the criterion that should appear on the label of any suitable liquid.
If you see the inscription βNS-2β on a store shelf, this is absolutely not suitable for new units. NS-2 fluid has a thicker consistency and other additives intended for older models. Using NS-2 in a modern CVT that requires NS-3 will result in rapid wear of the clutches and loss of pressure in the system.
β οΈ Attention: Do not try to mix NS-3 fluid with other types of oils, even if they are stated as universal. Chemical incompatibility can cause sediment to form, which will clog the filters and oil passages of the valve body within a matter of hours of operation.
- β
Original:
KE908-99934(1 liter) is the gold standard in most markets. - β
Alternative:
99934-KE908- often found in European catalogs. - β Volume 5 liters: usually sold as a set of 5 canisters of 1 liter each or in specialized containers.
- 1 liter (partial replacement)
- 4-5 liters (full replacement)
- Only for refilling
- I'm buying an analogue
Differences between the original liquid and analogues
The auto parts market is overflowing with offers from third-party manufacturers that promise quality no worse than the original at a lower price. However, in the case of Nissan CVTs, the savings are often false. Unique additives in original liquid Nissan NS-3 provide the necessary coefficient of friction for the operation of friction clutches and protect steel discs from scuffing.
Analogues may have similar color and viscosity at room temperature, but when heated to operating temperatures of 90 degrees, their properties may differ radically. Cheap products often cannot withstand high temperature loads, which leads to oxidation and loss of lubricating properties. It is impossible to check this by eye; a laboratory analysis is required, which the average car owner does not have.
If you still decide to take a risk and buy an analogue, pay attention to the availability of approval from the Jatco factory. Many brands such as Idemitsu or Castrol, produce fluids that are officially approved by the transmission manufacturer. Their description must contain a direct indication of compliance with the specification NS-3 and JATCO approval.
The most critical mistake is buying fakes, which are widely found in online stores. The counterfeit product often has a more liquid structure and does not provide the required pressure in the system. This can lead to the CVT starting to kick and slip within a couple of thousand kilometers after replacement.
How to spot a fake
Check the quality of the label printing - the font should be clear, without blurred borders. Pay attention to the color of the liquid - the original has a bright red tint. Check the production date: it should be stamped on the bottom of the canister and not stuck separately.
- π Check the code on the label: it must match the code on the bottom of the canister.
- π Study the consistency: the oil should be homogeneous, without impurities and sediment.
- π Compare the price: too low a price for an original product is the first sign of deception.
The procedure for changing the oil in the variator
Changing transmission fluid is not just about draining the old fluid and filling in the new one. For a complete replacement, it is necessary to take into account the volume of the system, which is about 7-8 liters, but only part of this volume ends up in the pan. With a partial replacement, you only change about 3-4 liters, which is often not enough to properly update the lubricant.
For a complete replacement, it is recommended to use the hardware method or the multiple replacement method. During hardware replacement, old oil is replaced by new oil under pressure, which allows up to 95% of the fluid in the torque converter and channels to be renewed. If you do the procedure yourself, you will have to carry out the replacement cyclically: drain, fill, warm up, drain again.
An important step is replacing transmission filter. In Nissan CVTs, it consists of two parts: a metal mesh, which is washable, and a paper filter, which must be replaced. Ignoring the replacement of the paper filter will negate all efforts to update the oil, as it will quickly become clogged with wear products.
When performing work, it is necessary to follow the sequence of actions so as not to damage the sensors and seals. Use original pallet gaskets, as their price is not comparable to the cost of repairing the box. Removing the pan requires care so as not to bend its edges, which will lead to leaks in the future.
βοΈ Preparation for replacement
The volume of filling depends on which method you choose. If you are only changing the pan, you will need about 4-4.5 liters. If you are planning a complete replacement using the replacement method, stock up on at least 8-9 liters to allow for multiple cycles. A complete hardware replacement requires at least 12 liters of fresh fluid, since some oil remains in the system during each cycle.
Replacing the filter is mandatory during any oil change, otherwise the new lubricant will quickly become contaminated with wear products retained by the old filter.
Specifications and level check
Monitoring the oil level in the variator is a procedure that requires accuracy and adherence to temperature conditions. Unlike engines, where the level is checked when it is cold, in Nissan CVTs this is done when the transmission is warm. The optimal oil temperature for measurement is in the range from 50 to 60 degrees Celsius.
To check the level, you need to start the engine and move the selector to position P or N. Then, without stopping the engine, check the level through the inspection hole on the pan. The oil should leak in a thin stream or drip if the temperature is normal. If the oil does not flow, it must be added; if it flows in a strong stream, the excess must be drained.
An incorrect oil level can have serious consequences. Not enough fluid will cause cavitation, where the pump takes in air instead of oil, causing a drop in pressure and overheating. Excess oil is also dangerous: it will begin to foam and escape through the ventilation, which can lead to burnout of the clutches.
Use only original dipstick or a control hole for measurement. Attempting to check the level through other holes or using dipsticks from other models may give false results. In modern cars with electronic control units, errors in the level can lead to the activation of the emergency mode of operation of the box.
| Parameter | Meaning | Note |
|---|---|---|
| System volume (total) | 7.5 - 8.2 liters | Depends on engine and transmission model |
| Volume when replacing the pallet | 3.5 - 4.0 liters | Partial replacement without flushing |
| Check temperature | 50 - 60 Β°C | Critical for accuracy |
| New fluid color | Bright red | Gradually darkens during use |
| Replacement interval | 60,000 km | Manufacturer Recommended |
Before changing the oil, warm up the engine to operating temperature, then drive for 10-15 minutes so that the oil in the variator also warms up. This will ensure proper drainage and accurate level measurement.
Signs of transmission fluid wear
Even if the replacement regulations are followed, the fluid may become unusable ahead of schedule. The main symptom is a change in color and smell. New fluid Nissan NS-3 It has a rich red color and a slight sweetish smell. If the oil turns dark brown or black and smells like burning, this is a sure sign of overheating and wear of the clutches.
The appearance of metal shavings on the magnet of the drain plug or on the filter mesh is also an alarming signal. A small amount of fine suspension is acceptable, but large particles indicate destruction of metal components. In this case, a simple oil change will not help; diagnostics and, possibly, major repairs will be required.
The behavior of the car on the road also speaks about the condition of the transmission. If you notice jerking when shifting gears, kicking during acceleration, or vibration, this may be due to loss of oil properties. The variator may begin to slip without picking up speed when you press the gas, which indicates a drop in pressure in the system.
Sometimes the problem lies not in the oil itself, but in the operation of the electronics. However, before you go for diagnostics, you should make sure the quality of the lubricant. Additive degradation happens faster than you think, especially when operating in city conditions with frequent traffic jams and sudden acceleration.
β οΈ Attention: If you smell a burning smell from under the hood associated with the CVT, stop using the vehicle immediately and call a tow truck. Continuing to move may result in the unit jamming.
- π© Color change to black or dark brown.
- π© The smell of burning or burnt oil appears.
- π© Presence of metal shavings on the filter or plug.
- π© The appearance of jerks, kicks and vibrations when moving.
FAQ: Frequently asked questions
Is it possible to mix Nissan NS-3 oil with NS-2?
Absolutely not. These liquids have different chemical compositions and viscosities. Mixing may cause sediment to form, which will block the oil passages and cause CVT failure.
What oil part number is needed for the 2018 Nissan Qashqai?
2018 and newer models equipped with a Jatco JF016E or JF017E CVT require specification fluid Nissan CVT Fluid NS-3. Main article for 1 liter - KE908-99934.
How many liters of oil are needed for a complete change?
For a complete hardware replacement, you need to purchase at least 10-12 liters. For a partial replacement (through a pan), 4-5 liters are enough, but the effectiveness of this procedure is lower.
Do I need to change the filter when changing the oil?
Yes, filter replacement is required. The metal mesh can be washed, but the paper filter is always replaced with a new one. Ignoring this rule will negate all the benefits of changing the oil.
Is it possible to use an analogue instead of the original?
Analogues may be used if they are officially approved by JATCO and marked "NS-3". However, Genuine Nissan fluid remains the safest choice for ensuring long transmission life.