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eBay£16.95Visit shop Granville MTF FS 75W85 Gear Oil Fully Synthetic Manual Transmission API:GL-4 1L
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The Granville MTF FS 75W/85 is a high-performance, fully synthetic manual transmission fluid designed for vehicle owners and mechanics seeking smoother gear transitions and extended gearbox longevity. It excels in protecting sensitive synchronisers and managing operating temperatures in modern manual transmissions, though it is specifically formulated for GL-4 applications and should not be used in systems requiring GL-5 or other non-compatible specifications.
| Model Part Number | 1589 |
|---|---|
| Brand | Granville |
No, this fluid is specifically formulated for manual transmissions and should not be used in automatic gearboxes.
No, this is an API GL-4 fluid. Never use it in applications strictly requiring GL-5 as the additive packages differ and may cause damage to synchronisers.
Always follow the vehicle manufacturer's recommended service intervals found in your owner's manual.
It is strongly recommended to perform a complete flush rather than mixing with unknown or different types of gear oil to maintain performance properties.
Synthetic base oils offer better thermal stability, resistance to oxidation, and more consistent viscosity across a wider range of temperatures compared to mineral oils.
Verify that the correct volume of oil was added and ensure the vehicle manufacturer's specific fluid viscosity and API GL-4 requirement were matched.
This may indicate internal mechanical wear. Consult a professional mechanic to inspect the transmission internals as fluid replacement may not resolve existing mechanical damage.
To ensure optimal performance, verify that your vehicle manual specifically requests an API GL-4 fluid with a 75W/85 viscosity grade. Always drain the transmission fluid when the unit is at operating temperature to facilitate full drainage of contaminants. When refilling, ensure the vehicle is on a level surface to prevent under or over-filling. Store the container in a cool, dry place and ensure the cap is tightly sealed after use to prevent moisture contamination.
