Changing the oil in a Nissan Pathfinder automatic transmission: instructions with photos and videos

Automatic transmission Nissan Pathfinder - a complex mechanism that requires regular maintenance. One of the key procedures is changing automatic transmission oil, which many owners put off until jerking or kicking occurs when switching. However, this approach is fraught with expensive repairs: worn-out fluid loses its lubricating properties, and friction products clog the solenoids and valve body.

In this article we will analyze step-by-step instructions for changing the oil for models Pathfinder R51 (2005–2012) and R52 (2013–2023), including original oil selection NS-2/NS-3, necessary tools and common mistakes. We'll also tell you why a partial oil change every 30–40 thousand km is more effective than a complete oil change every 100 thousand km for boxes RE5R05A And JF011E, installed on Pathfinder.

What kind of oil should I fill in the Nissan Pathfinder automatic transmission?

Oil selection is a critical step. For Nissan Pathfinder Two specifications are officially recommended:

• 🔹 Nissan Matic Fluid S (NS-2) - for boxes RE5R05A (R51, until 2012). Original article: KE908-99932.
• 🔹 Nissan Matic Fluid J (NS-3) - for JF011E (R52, since 2013). Article: KE909-99945.
• 🔹 Analogues: Idemitsu ATF Type-J, Ravenol ATF NS-2/NS-3, Motul Multi ATF (universal).

Important: mixing NS-2 and NS-3 is prohibited - this will lead to foaming of the oil and failure of the clutches. To accurately determine the type of box, check the plate on the body or use the service Nissan VIN Decoder.

Model Pathfinder	Automatic transmission type	Recommended oil	Replacement volume
R51 (2005–2012)	RE5R05A	Nissan Matic S (NS-2)	8–9 l (full), 4–5 l (partial)
R52 (2013–2017)	JF011E	Nissan Matic J (NS-3)	7–8 l (full), 3–4 l (partial)
R52 (2018–2023)	JF017E	Nissan Matic K (NS-3)	6–7 l (full)

⚠️ Attention: For boxes JF017E (after 2018) oil required NS-3 marked "For JF017E". Using the old one NS-3 without markings will lead to slipping of the clutches.

Tools and materials for replacement

Before starting work, prepare:

• 🔧 Keys and sockets: at “10”, “14”, “17” (for the drain plug), hexagon at “5” (for the level).
• 🛠️ Tools: torque wrench (torque 35–40 Nm), funnel with extension, syringe for filling.
• 🧴 Consumables: new oil (see table above), automatic transmission filter (article 31726-31X00 for RE5R05A), pan gasket (31397-31X01).
• 🧹 Other: rags, drain container (minimum 10 l), carburetor cleaner (for flushing the pan).

Drain the old oil (warm the automatic transmission to 50–60°C)|Remove the pan and clean the magnets|Replace the automatic transmission filter|Install a new gasket|Pour new oil through the dipstick

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⚠️ Attention: For boxes JF011E/JF017E required special adapter for oil filling through the inspection hole (article no. J-48897). Without it, it is impossible to correctly adjust the level.

Step-by-step instructions: partial oil change

Partial replacement suitable for preventive maintenance every 30–40 thousand km. A complete replacement is required when the mileage is over 100 thousand km or if there are metal shavings in the oil.

Step 1. Warm up the oil

Start the engine and let it run for 5–10 minutes. Switch the automatic transmission selector through all modes (P → R → N → D → L), holding each for 3–5 seconds. This will warm the oil to 50-60°C and stir up the sediment.

Step 2. Drain the old oil

Place a container under the drain plug (located on the automatic transmission pan). Unscrew the plug with a "14" key and drain the oil. B RE5R05A ~4–5 liters will flow out, in JF011E — ~3–4 l.

Step 3: Replacing the filter and cleaning the pan

Remove the pan (12 “10” bolts), clean the magnets from chips. Replace the filter (if JF011E The filter is integrated into the box - it can only be washed). Install a new gasket, lubricating it with sealant Loctite 574.

Step 4. Filling with new oil

Fill oil through the dipstick (for RE5R05A) or inspection hole (for JF011E). Use a funnel with an extension. After filling, check the level on a warm box (the engine is running, the selector is in P).

Complete automatic transmission oil change: displacement method

Complete replacement required special equipment (washing apparatus) or repeated partial drainage. Let's consider the second method, available in garage conditions.

Algorithm:

1. Perform partial replacement (see above).
2. Drive 500–1000 km for the new oil to mix with the old.
3. Repeat draining and filling 2-3 more times. ~90% of oil is replaced.

⚠️ Attention: For boxes JF011E/JF017E It is forbidden to wash the valve body solvents (for example, kerosene). This will remove the protective coating on the solenoids and cause them to seize.

What happens if you don’t change the oil in your Pathfinder automatic transmission?

When driving over 100 thousand km without replacement, the oil loses viscosity, the clutches burn out, and the solenoids become clogged with wear products. First symptoms: jerking when shifting 2-3 gears, delayed start Drive after stopping. In critical cases, the box goes into emergency mode (Check AT on the dashboard) and requires major repairs (from 80 thousand rubles).

Typical mistakes when changing oil

Even experienced technicians make mistakes that reduce the life of the automatic transmission. Here are the most common:

• 🚫 Using non-original oil (For example, Dexron VI instead of NS-2). Leads to foaming and loss of pressure.
• 🚫 Overfilling or underfilling oil. The optimal level is between HOT And COLD on the dipstick (for RE5R05A).
• 🚫 Washing the box with kerosene. Destroys oil seals and seals.
• 🚫 Replacing the filter without cleaning the pan. The chips from the magnets will fall into the new oil.

⚠️ Attention: After changing the oil in JF011E required reset automatic transmission adaptations via a diagnostic scanner (for example, Launch X431). Without this, the box will be “stupid” when switching for the first 100–200 km.

When an oil change is required: symptoms and regulations

Official regulations Nissan provides for changing the automatic transmission oil every 90–100 thousand km. However, for Russian conditions (dust, traffic jams, low temperatures), experts recommend reducing the interval to 60 thousand km.

Signs that it's time to change the oil:

• ⚠️ Jerks when changing gears (especially 3–4).
• ⚠️ Start delay Drive or Reverse (more than 1 second).
• ⚠️ Extraneous noise (hum or grinding) when coasting.
• ⚠️ Darkening of the oil on the dipstick (should be reddish, not black).

If you ignore these symptoms, the consequences will be serious:

• 🔥 Burning of friction discs (repair from 50 thousand rubles).
• 🛑 Jamming of solenoids (replacement of hydraulic unit ~30 thousand rubles).
• 💥 Destruction of the planetary gear (automatic transmission overhaul ~150 thousand rubles).

FAQ: Frequently asked questions about changing the oil in Pathfinder automatic transmissions

Is it possible to fill NS-3 oil instead of NS-2 into a RE5R05A box?

No. NS-3 has a different viscosity characteristic and is not compatible with clutches RE5R05A. Usage NS-3 will lead to gear slipping and overheating of the box.

How much oil should I fill during a complete change in JF011E?

For a complete replacement using the displacement method, you will need 10–12 liters (including washing). The box will hold ~7 liters, the rest will be used for flushing the circuit.

Do I need to change the filter during a partial replacement?

Yes, It is recommended to replace the filter every 60 thousand km, even with partial replacement. The exception is if the filter is clean (checked after removing the pan).

What to do if jerking occurs after changing the oil?

Probable reasons:

• Incorrect oil level (check on a warm box).
• Non-original oil was used (replacement required).
• Automatic transmission adaptations have not been reset (a diagnostic scanner is needed).

Is it possible to mix oil from different manufacturers (for example, NS-2 from Nissan and Idemitsu)?

It is possible if both oils have same specification (NS-2 or NS-3) and certified Nissan. But it's better to stick to one brand.