Liquid PSF (Power Steering Fluid) - this is the circulatory system of your power steering Nissan. Not only the ease of rotation of the steering wheel, but also the durability of the pump, rack and other system components depends on its quality and correct selection. However, many owners are faced with confusion: why liquids are red, green and yellow colors, is it possible to mix them, and what happens if you fill in the wrong color?

In this article we will figure out what PSF color is originally used in various Nissan models (from Qashqai to Patrol), how fluids differ in composition, and how to replace them yourself without the risk of damaging the system. You will also learn what mistakes are most often made when choosing a liquid and how to avoid them. If you've ever wondered why they poured green liquid instead of red, here you will find the answer.

Why PSF Color Matters: Technical Differences

The color of power steering fluid is not just a marketing ploy. It signals chemical composition, which directly affects compatibility with system materials (rubber seals, metal parts) and temperature resistance. B Nissan traditionally three main types of PSF are used:

  • 🔴 Red - mineral or semi-synthetic fluid based on DEXRON (most often DEXRON II/III). Suitable for most older models (Pathfinder R50, Terrano II) and some modern ones (for example, Navara D40).
  • 🟢 Green — synthetic fluid with a package of additives for high loads. Used in new models (Ariya, X-Trail T32) and vehicles with electric power steering, where increased heat resistance is required.
  • 🟡 Yellow - universal liquid, often meeting the standard CHF (For example, Pentosin CHF 11S). Found in European versions Nissan (For example, Qashqai J11 for the EU market).

The key difference is base oil and additives:

  • 🧪 Mineral (red) - cheaper, but less stable at high temperatures. May cause swelling of rubber seals in synthetic systems.
  • 🔬 Synthetic (green/yellow) - more expensive, but retain their properties longer and better protect against wear. Not compatible with some older rubber bands.
⚠️ Attention: If in your Nissan green PSF was filled in from the factory, filling red can lead to destruction of power steering pump seals within 10–15 thousand km. Reverse replacement (from red to green) is also fraught with leaks if the system is not washed with a special cleaner.

What PSF color is in your Nissan: compatibility table

To avoid guessing, it is enough to know the model and year of manufacture of the car. Below is data on the most popular models Nissan on the Russian and European markets:

Model Nissan Years of manufacture Factory PSF color Recommended analogue
Qashqai J10/J11 2007–2013 / 2014–2021 Red (DEXRON III) Nissan PSF KE902-99932 or Mobil ATF 320
X-Trail T31/T32 2007–2013 / 2014–2022 Green (CHF) Pentosin CHF 11S or Febi 32600
Patrol Y62 2010–present Red (DEXRON VI) Nissan Matic S or Idemitsu ATF Type-J
Navara D40/D23 2005–2015 / 2015–present Red/Green* For D40 - DEXRON III, for D23 - CHF 11S
Ariya 2021–present Green (synthetic) Nissan E-PSF KE902-99945

*B Navara D40 For the Japanese and US markets, a red PSF is used; for Europe, a green one is used. This is due to different suppliers of power steering components.

If your model is not in the table, check the information on VIN code through the service Nissan Connect or contact your dealer. An alternative way is to look at color of liquid in the tank (if it has not changed since the time of purchase).

📊 What color PSF is in your Nissan?
  • Red
  • Green
  • Yellow
  • I don't know
  • Other

Can PSF be mixed in different colors?

Short answer: no, you can't. The long answer is it depends on the chemistry, but the risk always outweighs the potential benefit. Here's what happens when mixed:

  • 🔴 Red + Green → Sediment formation, clogging of filters and power steering channels. It will start in 3–6 months pump squeak when turning the steering wheel.
  • 🟡 Yellow + Red → Foam in the tank, deterioration of lubricating properties. May lead to accelerated wear of the rack.
  • 🟢 Green + Green (different brands) → Possible if both products comply CHF 11S. But even here there is a risk of additive conflict.

Exception - emergency situationswhen you need to add fluid on the road. In this case:

  1. Use universal PSF (For example, Liqui Moly ATF 1100).
  2. Add the minimum required volume (no more than 100–150 ml).
  3. At the first opportunity drain the mixture completely and flush the system.
⚠️ Attention: B Nissan Ariya and other models with electric power steering (EPS) is used special green PSF with conductive additives. Mixing it with regular liquid may cause sensor malfunction and error C1130 on the dashboard.
What happens if you ignore incompatibility?

When driving for a long time on mixed PSF of different colors:

1. The load on the power steering pump increases - it can fail after 20–30 thousand km.

2. Rubber seals lose elasticity, which leads to leaks (especially in the cold season).

3. Appears in the tank black residue - a sign of oxidation of metal parts.

4. Occurs on the steering wheel "recoil" when turning due to air in the system.

Step-by-step instructions: how to replace PSF in Nissan

Replacing power steering fluid is a procedure that you can do yourself if you follow the algorithm. You will need:

  • 🔧 New PSF (2-3 liters for a complete replacement).
  • 🛠️ A syringe with a tube for pumping out old fluid.
  • 🔄 Funnel and clean rags.
  • 🚗 Jack or lift (for bleeding the system).

Step 1. Preparation

Place the car on a level surface and turn off the engine. Open the hood and find the power steering reservoir (usually located next to the pump, has a cap with a steering wheel icon). Clean the reservoir and cap of any dirt to prevent debris from entering the system.

Step 2. Pumping out old fluid

Using a syringe with a tube, remove as much liquid as possible from the tank. If the liquid is dark or has a burning smell, this is a sign heavy wear and the need to flush the system.

Step 3: Flushing (optional)

For washing:

  1. Pour into the tank special power steering cleaner (For example, Wynns Power Steering Cleaner).
  2. Start the engine and turn the steering wheel left and right 10–15 times.
  3. Drain the cleaner and repeat the procedure with clean PSF.

Step 4. Filling with new fluid

Fill new PSF to the mark MAX on the tank. Start the engine and slowly turn the steering wheel from lock to lock 3-5 times to distribute the fluid throughout the system. Add PSF as it decreases (the level will drop due to the filling of the circuit).

Step 5. Bleeding the system

Raise the front of the car on a jack (or use a lift) so that the wheels do not touch the ground. Turn the steering wheel again with the engine running. This will help remove the air. Repeat until no more bubbles appear in the tank.

Prepare tools and fluid|Pump out old PSF with a syringe|Rinse the system (if necessary)|Add new fluid to MAX|Bleed the system by turning the steering wheel-->

Top 5 mistakes when replacing PSF and how to avoid them

Even experienced car owners sometimes make mistakes that ruin all efforts to change the fluid. Here are the most common:

  1. Using gear oil instead of PSF

    Some people flood ATF (For example, DEXRON VI) instead of a specialized liquid. Although they are close in composition, ATF does not contain additives to protect power steering rubber seals. Consequences: leaks after 5–10 thousand km.

  2. Incomplete fluid replacement

    Simply adding new PSF on top of the old one is not enough. Up to 30–40% of the old fluid remains in the system, which worsens the properties of the new one. Complete replacement requires bleeding (see step 5 in the instructions above).

  3. Ignoring liquid color

    For example, filling green PSF in Nissan Almera N16, where it was red from the factory. This leads to destruction of seals and expensive repairs.

  4. Overfilling or underfilling

    Level up MAX will lead to foaming, below MIN - to air suction and hum pump.

  5. No pumping

    If you do not remove air from the system, the steering wheel will “twitch” when turning, and the pump will work with increased load.

1. Liquid level (possibly dropped during pumping).

2. Presence of air in the system (repeat bleeding).

3. Condition of the power steering pump belt - it could be loose or worn out.-->

How often to change PSF in Nissan: recommendations and signs of wear

Official recommendations Nissan vary depending on model:

  • 📅 Every 60–80 thousand km or once every 3-4 years - for most models (Qashqai, X-Trail, Teana).
  • 📅 Every 40–50 thousand km — for cars with difficult operating conditions (frequent off-road trips, towing trailers).
  • 📅 Every 100 thousand km - for new models (Ariya, Leaf) with electric power steering, where the fluid lasts longer.

However, focusing only on mileage is not enough. Please note signs of wear PSF:

  • 🔊 Power steering pump noise when turning the steering wheel (creaking, humming).
  • 🎨 Darkening of the liquid (black or brown).
  • 💦 Foam in the tank - a sign of air or water ingress.
  • 🔄 "Tight" steering wheel, especially at low engine speeds.

If you notice any of these symptoms, check the condition of the fluid. To do this:

  1. Take a drop of PSF from the dipstick and apply it to white paper.
  2. Compare the color with the new fluid. If the shade is dark or cloudy, replacement is required.
  3. Smell the liquid. Burning smell indicates overheating and the need for flushing.
⚠️ Attention: B Nissan with electric power steering (EPS) fluid does not circulate as actively as in hydraulic systems. However, it still needs to be changed - over time, the additives lose their properties, and the risk of corrosion of internal parts increases.

The best PSF fluids for Nissan: review and comparison

Selecting a PSF is a task no less important than the replacement itself. Below are proven options for different types of liquids:

PSF color Recommended Product Benefits Disadvantages Price (1 l), ₽
🔴 Red Nissan PSF KE902-99932 Original, fully compatible, stable properties at -40°C. More expensive than analogues, difficult to find in small cities. 1 200–1 500
🔴 Red Mobil ATF 320 Cheap analogue of DEXRON III, suitable for older models. Not recommended for modern Nissan with EPS. 400–500
🟢 Green Pentosin CHF 11S Standard for European models, high temperature resistance. Not compatible with mineral liquids. 900–1 100
🟢 Green Febi 32600 Good alternative Pentosin, often cheaper. There are fakes. 700–900
🟡 Yellow Liqui Moly ATF 1100 Versatile, suitable for mixing in emergency situations. Does not replace a full-fledged PSF on an ongoing basis. 600–800

For Nissan Ariya and other models with electric power steering, it is recommended to use only original liquid Nissan E-PSF KE902-99945. It contains special additives to protect the electrical components of the system.

💡

Never buy PSF on sale or from unverified sellers. Counterfeit fluids (especially Pentosin and Nissan) may contain cheap mineral oils that will destroy the power steering in 5–10 thousand km.

FAQ: Frequently asked questions about PSF color in Nissan

Is it possible to fill Nissan PSF with a different color if the original cannot be found?

If the original liquid is not available, choose an analogue same color and standard. For example, instead of Nissan PSF KE902-99932 (red) can be used Mobil ATF 320 or Idemitsu ATF Type-J. The main thing is that the liquid meets the requirements DEXRON II/III for red or CHF 11S for the green ones.

If there is no suitable color, it is better to postpone the replacement than to take risks. As a last resort, use universal PSF (For example, Liqui Moly ATF 1100) and replace it with the correct one as soon as possible.

What happens if you don't change PSF on time?

Fluid aging leads to:

  • 🔥 Power steering pump overheating (due to loss of thermal conductivity).
  • 🛑 Accelerated wear of rack and pinion (additives no longer protect the metal).
  • 💧 Oil seal leaks (destruction of rubber due to oxidation).
  • ⚠️ Errors appearing (For example, C1130 in Ariya due to poor contact in the sensors).

On average, ignoring replacement reduces the power steering resource by 30–50%.

How to check PSF level in Nissan?

Verification algorithm:

  1. Place the car on a flat surface.
  2. Warm up the engine to operating temperature (or drive 5–10 km).
  3. Open the hood and locate the power steering reservoir (usually with a cap marked with a steering wheel icon).
  4. Wipe the dipstick (if equipped) or reservoir body with a clean rag.
  5. The level should be between MIN And MAX. If there is no dipstick, the liquid should cover the filter mesh.

On some models (Nissan Juke, Note) the tank is transparent, and the level is visible without a dipstick.

Can gear oil be used instead of PSF?

Technically DEXRON II/III And PSF have a similar composition, but Transmission oil does not contain additives to protect power steering rubber seals. It can be used only temporarily (for example, on the road), but not longer than 1–2 thousand km. Constant use will lead to:

  • 🔧 Oil seal leaks (due to lack of compatible additives).
  • 🔊 Increased pump noise.
  • ⚠️ Reduced rack life.

Exception - some models Nissan 80–90s (for example, Patrol GR Y60) where gear oil was used from the factory.

How to flush the power steering system before replacing the PSF?

Flushing is needed if:

  • Old liquid is black or has sediment.
  • You have mixed different types of PSF.
  • The system was overheated (for example, after towing).

Step-by-step rinsing:

  1. Drain the old fluid (pump it out with a syringe or remove the hose from the reservoir).
  2. Fill in special cleaner (For example, Wynns Power Steering Cleaner).
  3. Start the engine and turn the steering wheel 10–15 times in each direction.
  4. Drain the cleaner and repeat the procedure with pure PSF (not original).
  5. Drain the flushing fluid and fill with new PSF.

A complete flush may require up to 3–4 liters of liquid.