Millers Oils CRX NT+ Nanodrive 75W140 Fully Synthetic Gear Oil - 1 Litre

Millers Oils CRX NT+ is a 75W140 heavy duty, fully synthetic gear oil designed for use in manual t...

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Product Information

Full details

The Millers Oils CRX NT+ Nanodrive 75W140 is a heavy-duty, fully synthetic gear oil designed for manual transmissions, transaxles, differentials, and transfer boxes in high-performance and competition vehicles. Its key benefit is the Nanodrive technology, which significantly reduces wear and friction, leading to improved component protection and reduced power loss. A caveat is its specific compatibility, primarily with transmissions requiring GL-4 or GL-5 oil and not suitable for units with plate-type LSDs.

All features

Model Part Number7990JMP
BrandMillers Oils

Extended Product Information

FAQs

What does Nanodrive Technology do?

Nanodrive technology uses microscopic spherical particles that create a super-smooth surface on metal components, significantly reducing friction and wear, especially under high load conditions.

Is this oil suitable for my road car?

Yes, if your road car's manual specifies a 75W140 synthetic gear oil with a GL-4 or GL-5 rating and does not have a plate-type LSD.

Can I use this in a transmission with a Limited Slip Differential (LSD)?

This oil is suitable for most differentials, but it is specifically *not* recommended for use in transmissions or differentials with plate-type LSDs. Always check your vehicle's manual.

What is the difference between GL-4 and GL-5?

GL-4 and GL-5 are API (American Petroleum Institute) classifications indicating performance levels. GL-5 is generally a higher specification designed for more extreme conditions and hypoid differentials, while GL-4 is suitable for transmissions with synchromesh. This oil meets both.

How often should I change this gear oil?

Refer to your vehicle manufacturer's service schedule for recommended oil change intervals. For high-performance or competition use, more frequent changes may be beneficial.

Can I mix this oil with other gear oils?

It is best practice to avoid mixing different types of gear oils. For optimal performance and protection, drain the old oil completely and refill with Millers Oils CRX NT+ Nanodrive 75W140.

Troubleshooting

Difficulty shifting gears, especially when cold

Verify that the correct oil viscosity (75W140) and specification (GL-4/GL-5) have been used. The cold flow properties of this oil should improve shifting, so persistent issues may indicate other mechanical problems.

Increased gear noise or whine

Ensure the correct oil level is maintained. While this oil is designed to reduce wear and noise, excessive wear from previous use or other mechanical issues might still be present.

Oil leakage from seals

Check the integrity of seals and gaskets. While synthetic oils can sometimes condition seals, significant leaks require mechanical repair.

Pros and Cons

Pros

  • Significantly reduces wear and friction due to Nanodrive technology.
  • Enhances component protection and extends lifespan.
  • Minimizes power loss for optimal performance.
  • Improves gear shifting, especially in cold weather.
  • Ideal for demanding motorsport and high-performance road use.

Cons

  • Not suitable for transmissions with plate-type Limited Slip Differentials (LSDs).
  • Requires specific GL-4 or GL-5 oil specification.
  • Fully synthetic formulation may have a higher initial cost compared to mineral oils.

Setup, Compatibility & Care

Setup: Ensure the transmission or differential is completely drained of old oil before filling with Millers Oils CRX NT+ Nanodrive 75W140. Use the correct quantity as specified by the vehicle manufacturer. Always use appropriate safety equipment when working with vehicle fluids.

Compatibility: This oil is recommended for use in manual transmissions, transaxles, hypoid differentials, and transfer boxes that specify a GL-4 or GL-5 performance rating. It is *not* suitable for use in units containing plate-type Limited Slip Differentials (LSDs). Always consult your vehicle's service manual to confirm the correct specification.

Care: Store the oil in its original container in a cool, dry place, away from direct sunlight. Dispose of used oil responsibly according to local regulations.

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