Changing the oil in the <em>Nissan Almera Classic</em> automatic transmission: a complete guide for owners

Automatic transmission Nissan Almera Classic (N16) - a node that requires special attention. Many owners mistakenly believe that the oil in an automatic transmission does not need to be changed, but this is a myth: over time, the fluid loses its properties and becomes contaminated with wear products of the clutches and bearings, which leads to jerking, delays in shifting and even breakdown of the box. In this article we will look at how to change the oil in an Almera Classic automatic transmission yourself, which oil to choose, what tools you will need and what to pay attention to so as not to damage the transmission.

Models Nissan Almera Classic with 4-speed automatic transmission RE4F03A (installed on cars 2006–2012) are especially sensitive to the quality and level of oil. The manufacturer claims that the liquid is filled for the entire service life, but in practice with a mileage of over 60–80 thousand km, the oil already requires replacement, even if the gearbox works flawlessly. Ignoring this procedure can result in costly repairs - for example, replacing solenoids or a valve body.

We will not convince you of the need for replacement - we will simply provide facts and step-by-step instructions. If you decide to do it yourself, this article will help you avoid common mistakes and save on the service. If in doubt, there is an FAQ at the end with answers to frequently asked questions.

When to change automatic transmission oil Nissan Almera Classic?

Official regulations Nissan does not provide for changing the automatic transmission oil Almera Classic — supposedly it is filled “for its entire service life.” However, this approach is only relevant for ideal operating conditions: moderate climate, smooth roads, gentle driving style. In reality, the replacement interval depends on several factors:

• 📏 Mileage: optimal - every 60,000 km (or once every 4–5 years). With aggressive driving or frequent traffic jams, the interval is reduced to 40–50 thousand km.
• 🌡️ Operating conditions: heat, frost, city traffic jams accelerate oil degradation. If the car often tows a trailer or drives off-road, the oil ages faster.
• ⚠️ Signs of oil wear: jerks when switching, delays, noise in the box, dark color of the liquid or a burning smell - signals for urgent replacement.
• 🔧 Service history: if the previous replacement was a long time ago (or it didn’t happen at all), it’s better to carry out complete replacement with flushing, not partial.

How to check the condition of the oil without draining? It is enough to pull out the automatic transmission dipstick (if there is one - on some versions Almera Classic There is no dipstick, only a control plug). Drop oil onto white paper:

• ✅ Norm: Clear, light red or amber, free of particles and odor.
• ⚠️ Needs replacement: dark, cloudy, with small particles or a burning smell.
• ❌ Critical condition: black, with flakes or metal shavings - change it urgently!

⚠️ Attention: On Nissan Almera Classic with automatic transmission RE4F03A no traditional dipstick — The oil level is checked through the inspection hole from below. For this you need a lift or inspection hole.

What kind of oil to fill in automatic transmission Almera Classic?

Oil selection is a critical step. The wrong fluid can cause solenoids to malfunction, clutches to slip, or even lock up the transmission. For Nissan Almera Classic with automatic transmission RE4F03A only suitable specialized gear oils with standard Nissan Matic D or Matic J.

Original oil from Nissan — KE908-99931 (Matic D) or KE909-99945 (Matic J). However, there are also high-quality analogues:

Manufacturer	Article	Specification	Volume (l)	Notes
Nissan	KE908-99931	Matic D	1 or 4	Original, ideal for partial replacement
Idemitsu	30450-54025	Type M	1 or 4	Complete analogue Matic D, popular in services
Mobil	153621	ATF 3309	1	Suitable for Matic J, but requires mixing with the original
Castrol	157ABF	Transmax J	1	Good option for a complete replacement
Ravenol	4014835734847	ATF J WS	1 or 5	Premium class, improves smoothness of shifts

The amount of oil to change depends on the method:

• 🔄 Partial replacement (drain through the plug): ~3–3.5 l.
• 🔃 Complete replacement (with flushing): ~7–8 l (special equipment required).

⚠️ Attention: Never use oils labeled Dexron III/VI or universal ATF - they are incompatible with solenoids Nissan and can cause kicks when switching!

Tools and materials for oil change

To change the automatic transmission oil yourself Almera Classic you will need:

• 🔧 Tools:
  • Key on 10 mm (for drain plug).
  • Key on 14 mm (for control plug).
  • Head or key 24 mm (for the oil filter, if you change it).
  • Funnel with a long spout (for filling through a dipstick or inspection hole).
  • Container for draining oil (volume of at least 5 l).
  • Torque wrench (optional, for proper tightening of plugs).
• 🛢️ Materials:
  • New oil (4–8 liters depending on the replacement method).
  • New automatic transmission oil filter (part number 31726-31X01 or equivalent).
  • Drain plug gasket (part no. 31397-31X02).
  • Rags, gloves, carburetor cleaner (for cleaning the pan).

If you plan complete replacement with flushing, you will additionally need:

• 🔄 Oil change machine (can be rented at a car service station).
• 🧴 Flushing fluid (For example, Liqui Moly ATF Reiniger).

Don't forget about safety precautions:

• 🔥 Work on a cooled box (hot oil - risk of burns!).
• 🚗 Use a lift or inspection hole (a jack is unsafe!).
• 🧤 Wear gloves - transmission oil is toxic.

Buy oil and filter by part number|Warm up the car (drive 5–10 km)|Place the car on a pit/lift|Prepare a container for draining|Put on gloves and overalls-->

Step-by-step instructions: partial oil change

Partial replacement is the easiest and safest method that you can do yourself. It is suitable if the oil is not very dirty and you monitor the box regularly. Algorithm of actions:

1. Warm up the oil. Drive 5–10 km until the automatic transmission temperature rises to 60–70°C. This is necessary for better drainage of waste.
2. Place the machine on a pit or lift. Secure the wheels with the hand brake and use chocks.
3. Remove the crankcase protection (if any). It is usually secured with 4–6 bolts 10 mm.
4. Locate the automatic transmission drain plug. It is located on the box tray (in front, closer to the radiator).
5. Place the container and unscrew the cap. Use the key on 10 mm. Be careful - oil may splatter!
6. Wait until it drains completely. Usually ~3–3.5 liters leak out. If the oil is dark or has particles, flushing is recommended.
7. Replace the drain plug gasket (article 31397-31X02) and tighten the plug torque 35–40 Nm.
8. Fill with new oil. Use a funnel through the filler hole (dipstick or inspection plug). The volume is equal to the drained volume.
9. Check the level. To do this:
   1. Start the engine and warm up the box (switch the selector through all modes with a delay of 3–5 seconds).
   2. Unscrew the control plug (the key is on 14 mm) - if oil drips, the level is normal. If not, add more.

After replacement, drive 10–15 km and recheck the level. If the box operates smoothly, without jerking, everything is done correctly.

What to do if kicks appear after replacement?

If, after changing the oil, the automatic transmission begins to twitch, the reasons may be as follows:

1. Wrong oil — check the markings, it is possible that an incompatible liquid has been filled.

2. Underfilling or overfilling - even a 200–300 ml difference can cause malfunctions.

3. Dirty filter — if it was not changed, particles could clog the solenoids.

4. Box adaptation — after changing the oil, some automatic transmissions require reset of adaptations (done through a diagnostic scanner, for example, Launch X431).

If the problem persists, contact the service to diagnose the solenoids or valve body.

Complete automatic transmission oil change: when is it needed and how to do it

Complete automatic transmission oil change Almera Classic required in cases:

• 🔄 The oil has not been changed for more than 100,000 km.
• ⚠️ Metal shavings or flakes were found in the mining.
• 🔧 The box worked with overheating (for example, towing a trailer in the heat).
• 🚗 You are buying a used car with an unknown service history.

For a complete replacement you will need special apparatus, which connects to the automatic transmission radiator pipes and pumps new oil, displacing the old one. It’s difficult to do this at home, but you can get by multi-stage partial replacement:

1. Execute partial replacement (as described above).
2. Drive 500–1000 km for the new oil to mix with the old.
3. Repeat partial replacement 2-3 more times at intervals of 500 km.

This method allows you to update up to 90% of the oil without a device. However, it requires more time and fluid consumption (up to 12–15 l).

⚠️ Attention: With complete replacement Be sure to change the automatic transmission oil filter (article 31726-31X01). An old filter may contain contaminants that will ruin your efforts.

Typical mistakes when changing automatic transmission oil

Even experienced car owners make mistakes that can lead to box failure. Here are the most common:

• 🛢️ Wrong choice of oil. Usage Dexron instead of Matic D/J causes kicks and accelerated wear of clutches.
• 📉 Underfilling or overfilling.
  • Underfilling leads to oil starvation and overheating.
  • Overfilling (more than 200–300 ml) causes oil foaming and loss of pressure.
• 🔧 Ignore the filter. The old filter becomes clogged with wear products, and the new oil quickly becomes contaminated.
• 🌡️ Cold replacement. The cold oil is not completely drained; up to 30–40% of the waste remains in the box.
• 🚗 Unverified level. The level should be checked with the box warmed up (60–70°C) and the engine running.
• 🔄 Mixing different oils. Even if both oils are within specification, mixing them may cause a chemical reaction and loss of properties.

Another common mistake is using “5-minute” washes. Aggressive flushing fluids can corrode oil seals and automatic transmission seals, which will lead to leaks. If flushing is necessary, use only specialized products (for example, Liqui Moly ATF Reiniger) and follow the instructions.

Cost of oil change at service vs. on your own

Prices for changing automatic transmission oil Nissan Almera Classic vary by region and method:

Service	Cost in service (₽)	Cost yourself (₽)	Notes
Partial replacement (3–4 l)	2 500–4 000	1 500–2 500	Includes work + oil (original ~1,200 ₽/l)
Complete replacement (hardware, 8 l)	6 000–10 000	4 000–6 000	Requires device rental (~1,500 ₽)
Replacing the automatic transmission filter	1 500–2 500	500–1 000	The filter costs ~800–1,200 RUR
Automatic transmission flushing	3 000–5 000	2 000–3 000	Includes flushing fluid (~1,000 ₽)

Replacing it yourself is more profitable, but requires time and care. If you are not confident in your skills, it is better to contact a service center - mistakes when working with automatic transmissions are expensive.

You can save on:

• 🛒 Buying oil in bulk (for example, a 4 liter canister is cheaper than 4 1 liter bottles).
• 🔧 Tool rental (many auto parts stores rent torque wrenches).
• 📲 Searching for shares — some services offer discounts on automatic transmission oil changes.

FAQ: Frequently asked questions about changing automatic transmission oil Almera Classic

Is it possible to drive an Almere Classic if the oil in the automatic transmission has turned black?

Black oil is a sign of severe wear on the clutches or overheating. You can drive, but highly undesirable - this will speed up the failure of the box. As soon as possible, change the oil (preferably a complete change) and check the condition of the filter. If there are metal shavings in the oil, automatic transmission diagnostics will be required.

What happens if you pour oil into an automatic transmission?

Overfilling oil by 200–300 ml is usually not critical, but if the excess is greater, the consequences can be serious:

• Oil foaming due to rotating parts.
• An increase in pressure in the system, which leads to leakage of seals.
• Malfunctions in the operation of the solenoids and valve body (the gearbox begins to “stupid”).

If you overfilled, drain the excess through the control plug.

Do I need to change the automatic transmission filter at every oil change?

Automatic transmission filter Almera Classic it is recommended to change:

• When complete oil change (required).
• When partial replacement - if the mileage is over 100 thousand km or the filter is clearly dirty.

On new cars (up to 60 thousand km), the filter can be left alone, but it is still worth checking its condition.

Is it possible to mix different oils in an automatic transmission?

Mix oils not recommended, even if they are of the same specification (Matic D And Matic J). Different manufacturers use different additives that may react. If you had to add another oil (for example, on the road), perform a complete change as soon as possible.

How to check the oil level in an automatic transmission without a dipstick?

On Almera Classic Without a dipstick, the level is checked through the control plug:

1. Warm up the box (drive 10–15 km).
2. Place the machine on a level surface.
3. Start the engine and leave it idling.
4. Unscrew the control plug (the key is on 14 mm) - if oil drips, the level is normal. If not, add through the filler hole.

The plug is located on the automatic transmission pan, closer to the back of the box.