What color is NS-2 CVT fluid?
NS-2 CVT fluid is red or pink-red when new, and it tends to darken to deeper reds or brown with age and use.
Color characteristics and what they mean
NS-2 CVT fluid is designed to appear as a bright red or pink-red shade straight from the bottle. As it circulates through a transmission, heat, oxidation, and contamination can cause the color to shift toward darker reds or brown. Color can therefore provide a rough, not definitive, clue about the fluid’s condition.
Color life stages of NS-2 CVT fluid
Color changes should be interpreted alongside other maintenance indicators. The following stages offer a general guide to what you might observe:
- Fresh NS-2 CVT fluid: vibrant red or pink-red, clear and evenly colored.
- Mid-life: deeper red or pink with a hint of brown; the fluid may still look clean but color deepens with usage.
- Older/contaminated: dark red to brown, possibly opaque, with potential oxidation signs.
- Severely degraded: near-black, may have a burnt odor and a thick or syrupy feel; servicing is typically required.
Note: Dye color can vary by batch and supply source, so use color as a supplementary cue rather than a sole diagnostic. Always corroborate with transmission performance, fluid level, smell, and adherence to Nissan's service guidelines.
Practical assessment and next steps
When evaluating CVT fluid color, consider how the vehicle has been operated, the maintenance schedule, and the results of any diagnostic checks. If in doubt about the fluid condition, consult your vehicle manual or a qualified technician to determine whether a replacement or service is warranted.
Summary: NS-2 CVT fluid is typically red or pink-red when new and darkens with age and use. Color alone isn’t a definitive measure of condition, but it can help signal when to inspect or service the transmission in conjunction with other indicators.
What color is Nissan NS2 CVT fluid?
The red fluid you're referring to is NS-3 CVT fluid used in the newer generation of CVTs, however I believe your Altima uses NS-2 CVT fluid which is green. There should be a yellow sticker underneath the hood confirming which fluid is used in your car.
What is the difference between NS-2 and NS-3 CVT fluid?
NS2 and NS3 are distinct Nissan CVT fluids that are not interchangeable, with NS3 being a newer formulation developed for improved fuel economy that also offers better torque capacity and wear protection. NS2 fluid is older and has a different composition, often appearing green, while the newer NS3 is typically blue.
| Feature | NS2 CVT Fluid | NS3 CVT Fluid |
|---|---|---|
| Composition | Older formulation with different additives. | Newer formulation designed to meet modern efficiency requirements. |
| Purpose | Originally designed for older Nissan/Infiniti CVTs. | Specifically engineered for newer Nissan/Infiniti transmissions, especially to improve fuel economy. |
| Color | Often green. | Typically blue. |
| Performance | Provides stable and precise operation. | Offers higher torque capacity and wear protection. |
| Interchangeability | Not backward-compatible with NS3. | Not backward-compatible with NS2. |
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What color should CVT transmission fluid be?
CVT transmission fluid color varies by manufacturer, but new fluid is typically dark red or green/blue depending on the vehicle. As the fluid ages, it darkens to a darker red or a brownish-amber color, and a burnt/almost black color indicates an immediate need for service. It is essential to consult your owner's manual or the vehicle's dipstick for the exact color for your specific car.
This video explains the different colors of transmission fluid: 50sCERTIFIED TRANSMISSION - LINCOLNYouTube · May 6, 2020
Typical CVT fluid colors
- New: Can be dark red, or a specific color like green or blue depending on the manufacturer.
- Normal: As it ages, it may become a darker red or a brownish-amber color, which is still acceptable as long as there are no other symptoms.
- Needs service soon: A deep blood red or rust red color.
- Needs immediate service: Burnt or almost black, which indicates overheating and potential damage.
You can watch this video to see how to check the CVT fluid and compare its color: 57sDIY-timeYouTube · Apr 28, 2020
Important considerations
- Manufacturer specification: Always refer to your owner's manual or check the dipstick for the correct color specification for your vehicle.
- Nissan CVT fluid: Some Nissan models use a green or blue CVT fluid, such as the NS-2 or NS-3, which turns yellowish as it degrades.
- Other transmissions: Traditional automatic transmission fluid is typically red, while other fluids like engine oil are usually brown or amber.
What color is NS2?
greenish
Genuine NS3 should be BLUISH. and on the other hand NS2 Should be greenish. Talking of BLUISH- ITS NOT DARK BLUE in it's nature.
