Drive seal (or CV collar) - a small but critical detail in the design Nissan Note, on which transmission tightness and durability depend CVT/manual transmission. When this seal wears out, oil begins to leak out of the box, and dirt and moisture penetrate inside, accelerating the destruction of bearings and gears. Owners Note (especially models E11 And E12) often encounter this problem after 100–150 thousand km, but in Russian conditions the service life of the oil seal can be reduced to 60–80 thousand km due to aggressive operation and poor quality of roads.
In this article we will look at how recognize a faulty drive seal at an early stage, what tools will be needed for replacement, and why saving on original spare parts can result in a major overhaul of the box. We will also provide step-by-step instructions with photos, compare prices for analogues from NOK, Corteco And Victor Reinz, and we will answer frequently asked questions, for example: is it possible to drive with an oil leak and what are the consequences of ignoring the problem.
Signs of wear on the drive seal Nissan Note
The first symptoms of a seal failure often go unnoticed until the leak becomes critical. The main sign is oil stains under the car in the drive shaft area (box side). Oil from CVT or Manual transmission has a characteristic reddish or brown tint and a specific odor. If you find a puddle after parking overnight, check the oil level in the box: a drop of even 100–200 ml is already dangerous for the unit.
Other indirect signs:
- 🔊 Crunching or grinding noise when turning (indicates that dirt has entered the CV joint).
- 🛑 Jerks when starting off — oil from the box gets onto the clutch (relevant for manual transmission).
- 🔥 Box overheating — due to low oil level, friction increases.
- 🚗 Vibration at speed (especially on Note with mileage >120 thousand km).
On Nissan Note E12 with CVT Drive seal leakage is often confused with a malfunction breather box (ventilation valve). To differentiate problems, inspect the location of the leak: if oil oozes from under the CV joint boot, the oil seal is to blame; if there are drops on the box body near the breather, the problem is a clogged valve.
⚠️ Attention: On Note with CVT even a small oil leak through the drive oil seal can lead to overheating of the variator belt and its premature wear. In CVTs Jatco JF015E (installed on Note E12) oil performs not only a lubricating, but also a cooling function.
Consequences of ignoring the problem
Many owners Nissan Note They put off replacing the oil seal, thinking that “it’s dripping a little.” However, the consequences of this approach can be critical:
| Problem | Appearance date | Repair cost |
|---|---|---|
| Differential bearing wear | 3–6 months | from 15,000 ₽ (replacement of bearings + oil) |
| Destruction of the CV joint (due to dirt) | 6–12 months | from 8,000 ₽ (replacement of the drive assembly) |
Overheating and belt wear CVT |
1–3 months (with heavy driving) | from 50,000 ₽ (overhaul of the variator) |
| Seizure of gears in manual transmission | 6–18 months | from 25,000 ₽ (box repair) |
It is especially dangerous to ignore leaks on cars with CVT. In CVTs Nissan oil NS-2/NS-3 has a strict life, and its leakage accelerates wear belt, cones and valve body. For example, on Note 1.6 (HR16DE) with a mileage of 180 thousand km, replacing the drive oil seal at an early stage will cost 3–5 thousand rubles, and repairing the variator due to oil starvation will cost 60–90 thousand rubles.
- Every month
- Once every 3 months
- Only before maintenance
- Never
Selection of oil seal: original vs analogues
Original drive oil seal for Nissan Note has an article number 38340-4M000 (for left side) and 38340-4M001 (for the right one). Cost - from 1,200 to 1,800 rubles per piece. However, many car owners prefer analogues from trusted brands, which are cheaper but not inferior in quality.
The best analogues:
- 🔹 NOK (Japan) - article
NSK38340. Price: 800–1,100 rubles. They are durable and resistant to high temperatures. - 🔹 Corteco (Germany) - article
20028700. Price: 600–900 ₽. Good price/quality ratio, but can be counterfeited. - 🔹 Victor Reinz (Germany) - article
71-38340-00. Price: 700–1,000 ₽. Often used in services. - 🔹 SKF (Sweden) - article
VKDA 35353. Price: 900–1,300 ₽. Premium segment, recommended forCVT.
When choosing, pay attention to sealing lip material: on original oil seals and high-quality analogues, it is made of fluorine rubber (FKM), which is resistant to oils CVT and high temperatures. Cheap seals from nitrile rubber (NBR) They quickly tan and begin to leak oil.
⚠️ Attention: On Nissan Note E12 withCVTIt is impossible to install oil seals intended forManual transmission- they have a different edge shape and cannot withstand the oil pressure in the variator. Check compatibility by VIN or catalogs Nissanservice.
Before purchasing an oil seal, inspect its packaging: on the original parts Nissan there should be a hologram sticker with the serial number, and on analogues there should be a protective film with the brand logo.
Tools and preparation for replacement
To replace the drive oil seal with Nissan Note you will need:
- 🔧 A set of sockets and keys (required)
10 mm, 12 mm, 14 mm, 17 mm). - 🔧 Puller for CV joint (can be rented at a car service center).
- 🔧 Torque wrench (to tighten the hub nut to a torque
180–220 Nm). - 🔧 Sealant Loctite 574 (to fix the oil seal).
- 🔧 Jack and stops (or lift).
- 🔧 New transmission oil (if topping up is required).
Also prepare:
- 🧴 Solvent (White spirit or Gasoline "Galosha") to clean the seat.
- 🧤 Gloves and rags (oil from
CVTdoes not wash well). - 📦 New retaining ring for CV joint (article no.
38348-4M000).
Before starting work:
- Place the car on a flat surface and secure the rear wheels.
- Remove the negative terminal from the battery (to avoid short circuit).
- If the replacement is carried out on
CVT, prepare a container for draining the oil (you will have to top it up after work).
☑️ Preparing to replace the oil seal
Step-by-step instructions for replacing the drive seal
Let's look at the process using an example Nissan Note E12 1.6 (HR16DE) with CVT. For Manual transmission the algorithm is similar, but simpler (no oil draining required).
Step 1: Removing the drive shaft
Unscrew the hub nut (tightening torque - 200 Nm), then remove the wheel. Disconnect the steering linkage and ball joint (use a puller). Press the CV joint out of the hub by gently tapping it through the wooden spacer with a hammer. Don't damage the thread!
Step 2. Removing the oil seal
Pry out the oil seal with a screwdriver or a special puller. Be careful: the seat in the box is soft (aluminum) and can be easily damaged. Clean the socket of old sealant and dirt.
Step 3. Installing a new oil seal
Apply a thin layer of sealant Loctite 574 to the outer edge of the oil seal. Carefully press it into place using a mandrel of the appropriate diameter (for example, an old hub nut). Make sure the working edge faces the inside of the box.
Step 4. Assembly
Reinstall the drive shaft and tighten the hub nut with a torque wrench. Connect the tie rod and ball joint. Pour oil into CVT (if drained). Check for leaks after a test drive.
What to do if the oil seal does not press in?
If the new oil seal does not fit into the seat, check:
- are there any burrs on the edge of the socket (clean it with a file);
- is the oil seal diameter correct (compare with the old one);
- Is the oil seal skewed during installation (use a mandrel).
On Nissan Note E11 with Manual transmission the process is simpler: there is no need to drain the oil, and the tightening torque of the hub nut is 180 Nm. However, on these models a problem with wear of the splines on the drive shaft, therefore, when replacing the oil seal, inspect the shaft for play.
Common replacement mistakes and how to avoid them
Even experienced car owners make mistakes that lead to repeated leaks or damage to the box. Let's look at the most common ones:
1. Incorrect installation of the oil seal
If you mix up the sides (the working edge should face inside the box), oil will flow out immediately after starting the engine. Also, do not hit the seal with a hammer without a mandrel - this will deform the seal.
2. Ignoring the locking ring
On Note E12 CV retaining ring (38348-4M000) often breaks during dismantling. If you do not replace it, the drive shaft may pop out of the box while driving.
3. Insufficient tightening of the hub nut
If you do not tighten the nut to the required torque (180–220 Nm), over time there will be play that will destroy the wheel bearing. Use a torque wrench!
4. Saving on sealant
Cheap sealant (for example, Anatherm) cannot withstand temperature loads and begins to crumble. Use only Loctite 574 or Permatex Ultra Black.
5. Forgetting to add oil to the CVT
When replacing the oil seal on the variator, some of the oil leaks out. If you do not top it up to the level, the risk of belt overheating increases by 2-3 times.
The most common cause of repeated leakage is improper sealing of the oil seal. Always use a mandrel and make sure the edge is not turned under.
Cost of service work vs independent replacement
Prices for replacing the drive seal in services depend on the type of gearbox and region:
| Box type | Cost of work (₽) | Cost of spare parts (₽) | Total (₽) |
|---|---|---|---|
Manual transmission |
2 500–4 000 | 800–1,500 (oil seal + retaining ring) | 3 300–5 500 |
CVT |
4 000–6 500 | 1,200–2,000 (oil seal + oil NS-3) |
5 200–8 500 |
Replacing it yourself will cost less, but will require time and tools. For example, renting a CV joint puller in Moscow costs ~500 ₽/day, and a torque wrench can be purchased for 1,500–2,000 ₽. If you do not have experience, it is better to entrust the work to professionals - mistakes when replacing the oil seal with CVT can result in CVT repair costing 70-100 thousand rubles.
On Nissan Note E11 (2006–2010) oil seal replacement is cheaper due to the simplicity of the design Manual transmission. On E12 (2010–2016) from CVT the cost is higher due to the need to drain/fill oil and more difficult access to the drive shaft.
FAQ: Answers to frequently asked questions
Is it possible to drive with a leaking drive seal?
Short-term (1-2 days) - yes, but only if the oil level in the box does not fall below the minimum. On CVT even a small leak is critical: the risk of belt overheating increases 3 times. On Manual transmission You can drive up to 500 km, but be sure to top up the oil.
How to distinguish a drive oil seal leak from a breather leak?
If oil flows from under the CV joint boot, the oil seal is to blame. If there are drops on the box body near the ventilation valve, the problem is in the breather. On Note E12 The breather is located on top of the box, next to the battery.
Is it necessary to change the oil in the box after replacing the oil seal?
On CVT - necessary, since some of the oil leaks out. On Manual transmission You can get by with topping up if the oil is clean and its age is <50 thousand km. In any case, check the condition of the oil: if it is dark or has metal shavings, a complete replacement is required.
Can sealant be used instead of an oil seal?
No! Sealant (even Loctite 5980) cannot withstand the pressure and temperatures in the box. This is a temporary solution that will lead to breakdown after 1–2 thousand km.
How long does the drive oil seal last? Nissan Note?
Depends on operating conditions:
- Original oil seal: 100–150 thousand km.
- Analogues (NOK/Corteco): 80–120 thousand km.
- Cheap analogues: 30–50 thousand km.
In Russian conditions (salt, dirt, temperature changes), the resource is reduced by 20–30%.