Car owners Nissan, especially models Qashqai and X-Trail, are often faced with the need to replace motor fluid. Original oil Nissan 5W40 provides excellent protection, but its price and regional availability can be an issue. Finding a quality replacement product requires an understanding of the engine's technical requirements and manufacturer's specifications.
Many car owners mistakenly believe that any synthetic oil with a viscosity 5W40 will suit their motor. This misconception can lead to increased fuel consumption, loss of power, or even failure of the variable valve timing system. CVTC. In this article we will look at what parameters are really important when choosing an analogue and what brands you should pay attention to.
Understanding the specifications and tolerances of the original
Before looking for a replacement, you need to clearly understand what kind of product is in your canister. Original oil Nissan Motor Oil 5W40 designed taking into account the features of aluminum cylinder blocks and timing chain drives characteristic of series engines MR and QR. Compliance is key API and ACEA.
Official approval, which is most often required for modern engines Nissan, is API SN/CF or newer SP. However, for diesel versions YD25 or K9K clearance is critical ACEA C4 or C3. Ignoring this nuance when choosing an analogue can lead to clogging of the particulate filter DPF and failure of the catalyst.
- ✅ Check the specification on old oil before purchasing an analogue
- ✅ Make sure you have permission ACEA C4 for diesel engines
- ✅ Look for compliance with the standard
API SPfor new generation gasoline engines
It is important to note that many oil manufacturers produce products that formally meet the requirements, but have differences in the additive package. For Nissan this is especially important due to the sensitivity of hydraulic pushers to the quality of detergent components.
⚠️ Attention: Use of oils without appropriate approval ACEA C4 on diesel engines Nissan strictly prohibited! This will lead to rapid clogging of the exhaust gas cleaning system.
Top manufacturers of quality substitutes
The motor oil market is oversaturated with offers, but only a few brands can guarantee quality comparable to the original. Leaders in the segment of analogues for Nissan are Shell Helix, Motul and Castrol. These companies have their own factories and laboratories where they test products for compatibility with Japanese engines.
Oil Shell Helix Ultra 5W40 often recommended as a direct analog due to technology PurePlus, which makes it possible to obtain a synthetic base from natural gas. This provides high oxidation stability and excellent cleaning properties. For owners Nissan Qashqai with gasoline engines MR20 this is one of the best choices.
Another decent option is Motul 8100 X-clean+ 5W40. It is designed specifically for engines with modern exhaust aftertreatment systems. Unlike cheap analogues, a high-quality additive package is used here to prevent carbon deposits on the pistons.
- 🔹 Shell Helix Ultra — ideal engine cleanliness and wear protection
- 🔹 Motul 8100 X-clean+ — maximum compatibility with eco-systems
- 🔹 Castrol Magnatec 5W40 - excellent cold start protection
Don't discount Korean brands, such as ZIC or Shell (made in Korea), which often offer the best value for money. The main thing is to buy products from official dealers to avoid counterfeits.
- Nissan Original
- Shell Helix
- Motul
- Castrol
- Other
Comparative analysis of analog characteristics
For clarity, let’s compare the key parameters of the original oil and two popular substitutes. This will help you understand exactly where the differences may be and how they will affect engine performance.
| Parameter | Nissan Motor Oil 5W40 | Shell Helix Ultra 5W40 | Motul 8100 X-clean+ 5W40 |
|---|---|---|---|
| Base oil | Synthetic | Gas-to-liquid (PurePlus) | Synthetic (GT-Lube) |
| Viscosity at 100°C | 14.2 mm²/s | 14.5 mm²/s | 14.3 mm²/s |
| Pour point | -36°C | -42°C | -39°C |
| Base number | 9.5 mgKOH/g | 10.5 mgKOH/g | 9.8 mgKOH/g |
As can be seen from the table, the viscosity indicators of the analogues are almost identical, which guarantees the maintenance of oil pressure in the system. However, the base number Shell slightly higher, indicating better acid neutralization potential over long drain intervals.
Pay attention to the pour point. If you live in an area with harsh winters, Shell Helix may show itself a little better when starting the engine in colder temperatures -30°C. This is critical to prevent oil starvation at the start.
⚠️ Attention: Do not exceed replacement intervals by more than 10% of the regulations, even using oils with a high alkaline number.
Replacement procedure and preparation for it
Even the most expensive oil will not give results if the replacement procedure is performed poorly. Before starting work, it is necessary to prepare the car: turn off the engine, allow it to cool to operating temperature and place it on a flat surface. For models Nissan access from below is often required, so the presence of an inspection pit or lift is mandatory.
First you need to drain the old oil. Unscrew the drain plug using the wrench 14 or 17 mm, depending on the model. Be careful, the oil may be hot. While the oil is draining, start replacing the oil filter. For Qashqai with engine MR20 this is a filter with an article number 15208-65F0A.
☑️ Preparing for an oil change
After installing the new filter and draining the old oil, fill in new oil. Engine filling volume MR20DE is about 4.9 liter, for MR16DDT — 4.2 liters Pour oil through the neck using a funnel to avoid spills.
What to do if you overfilled the oil?
If you accidentally overfill the oil, it can cause the fluid to foam, increase crankcase pressure, and cause oil to escape through the breather. It is necessary to pump out the excess with a syringe or through the drain hole until the correct level is reached on the dipstick.
Start the engine and let it run for a few minutes. Check the oil level through 10 minutes after stopping, making sure it is between the marks MIN and MAX on the dipstick.
Always replace the drain plug O-ring every time you change the oil. An old ring may lose its elasticity and begin to leak within a week of replacement.
Common mistakes when choosing an analogue
The most common mistake is choosing oil only by viscosity 5W40. As we have already found out, without taking into account tolerances ACEA and API may cause serious damage to the engine. Also, many car owners try to save money by buying oils from unknown brands with a “suspiciously” low price. In 90% of cases it is a fake or a low quality product.
Another mistake is mixing different brands of oils. If you forget what kind of oil you filled in, it is best to completely flush the system or, even better, drain the remaining oil and fill in a new equivalent without mixing them. Chemical incompatibility of additives can lead to sedimentation.
- ❌ Do not use universal oils without specific approvals for Nissan
- ❌ Avoid buying oils in spontaneous markets and dubious online stores
- ❌ Do not mix oils from different manufacturers, even in emergency situations
Also, you should not rely only on reviews on the Internet. What is suitable for Toyota or Volkswagen, not always ideal for Nissan. Japanese engines have their own design features that require a specific additive package.
The main criterion for choosing an analogue is the presence of a current manufacturer’s approval, and not just viscosity and brand.
Questions and answers about changing the oil
Is it possible to use 5W30 oil instead of 5W40 in Nissan?
It is not recommended to fill engines designed with a 5W40 tolerance (for example, MR20) with 5W30. This can lead to increased oil consumption due to waste and insufficient protection of friction pairs at high temperatures, since the oil film will be thinner.
How often does a 2015 Nissan Qashqai need an oil change?
Official regulations may indicate 15,000 km, but real operating conditions (city, traffic jams, dust) require reducing the interval to 7,000–8,000 km. This will extend the life of the engine and timing system.
Is it necessary to flush the engine before replacing it with an analogue one?
When switching to a high-quality analogue from a well-known brand, washing is usually not required. However, if you are switching from a cheap or unknown oil, it is recommended to use a soft flush or drain the old oil and immediately refill with new oil after driving 500 km.
Which oil filter is best for Nissan with MR engine?
Genuine Nissan filter is the best choice. Among analogues, filters from Mann, Mahle and Knecht have proven themselves well. Cheap Chinese analogues often have a low-quality check valve.
Does choosing an analogue affect fuel consumption?
A quality oil with the correct viscosity and low viscosity at low temperatures can reduce fuel consumption slightly compared to thick or poor quality oil. However, the effect will only be noticeable when using certified products.