Gearbox oil Mazda 6 GJ FW6AX — viscosity and OEM spec
Gearbox oil for Mazda 6 GJ FW6AX (2012–2022) — correct viscosity, OEM specification, fill volume and change interval.
Gearbox Specifications
| Parameter | Value |
|---|---|
| Make / Model | Mazda 6 GJ |
| Gearbox type | automatic |
| Gearbox code | FW6AX |
| Production Years | 2012–2022 |
| Oil viscosity | ATF |
| OEM specification | M5 ATF |
| Fill volume | 7.4 L |
| Change interval | 40000 |
“Lifetime” fill in DSG and CVT gearboxes does not mean never change the oil — manufacturers recommend changing every 60,000 km to preserve gearbox life.
Approved Oils for FW6AX
Mazda M5 ATF / Liqui Moly Top Tec ATF 1200 / Motul Multi ATF
Automatic Gearbox — Key Points
Automatic gearbox: A standard drain-and-fill replaces ~60% of the fluid. Full flush with a flush machine is recommended every 80,000–120,000 km.
FAQ
What oil goes in Mazda 6 GJ FW6AX?
Viscosity ATF, specification M5 ATF, volume 7.4 L. Suitable brands: Mazda M5 ATF / Liqui Moly Top Tec ATF 1200 / Motul Multi ATF.
When should the gearbox oil be changed on Mazda 6 GJ?
Every 40000 km.
Can I use a universal ATF instead of M5 ATF?
No. The FW6AX requires strict compliance with M5 ATF. A universal ATF lacks the correct friction characteristics and will cause premature wear.
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