Carlube Driveline Manual Transmission Fluid - 75W90
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Product Information
Full details
Carlube Driveline 75W-90 is designed for automotive technicians and vehicle owners looking for a high-performance manual transmission lubricant that meets strict API GL-4 standards. It is an ideal choice for a wide range of passenger and commercial vehicles, offering excellent cold-start fluidity and long-term wear protection, though users must confirm it meets their specific vehicle manufacturer's viscosity and specification requirements before use.
All features
| Model Part Number | 75W90 |
|---|---|
| Brand | Carlube |
Extended Product Information
FAQs
Is this oil suitable for automatic transmissions?
No, this fluid is strictly designed for manual transmissions and should not be used in automatic gearboxes.
Can I use this in an axle requiring GL-5?
No, this is a GL-4 lubricant. Using GL-4 in an application requiring GL-5 can lead to premature gear failure.
Is this a synthetic fluid?
Carlube 75W-90 is a high-performance driveline lubricant formulated to meet modern API requirements.
How often should I change this fluid?
While it can be a fill-for-life product in some vehicles, it is recommended to follow the intervals specified in your vehicle's service manual.
What happens if I mix it with another brand?
It is always best practice to use the same fluid throughout. Mixing fluids can result in unpredictable performance additives interaction.
Where can I find the compatibility list?
Compatibility is based on the API GL-4, MAN 341 Type E1, and MB 235.1 credentials. Check your service manual to see if your vehicle lists these specifications.
Troubleshooting
Notchy or difficult gear shifting
Check if the fluid level is low or if the fluid is contaminated; if levels are correct, verify if the transmission requires a different viscosity.
Increased transmission noise
Ensure the fluid meets the specific API rating required by the manufacturer; consult a mechanic if noise persists after a fluid flush.
Pros and Cons
Pros
- Excellent cold-weather shifting performance
- High level of protection for gear surfaces
- Covers a broad range of passenger and commercial applications
- Reliable formulation from a leading UK independent blender
Cons
- Not suitable for transmissions requiring GL-5 or specialized fluids
- Not compatible with automatic transmissions
- Requires professional disposal after use
Setup, Compatibility & Care
Before installation, always consult your vehicle owner's manual or a service database to confirm that 75W-90 GL-4 is the correct fluid for your specific transmission model.
- Ensure the engine and transmission are at a warm, manageable temperature to facilitate faster draining.
- Locate the transmission drain and fill plugs; always open the fill plug first to ensure you can refill the unit after draining.
- Drain the old fluid completely into a suitable container.
- Replace the drain plug and fill the transmission with fresh Carlube Driveline fluid until it reaches the level of the fill plug hole.
- Properly seal the plugs and dispose of the used oil at a certified recycling facility.
Care instructions include regular inspection of the transmission casing for signs of leaks and monitoring gear shift behavior over time to determine if a fluid change is necessary.