Gearbox oil Subaru Outback BT TR690 — viscosity and OEM spec
Gearbox oil for Subaru Outback BT TR690 (2020–2025) — correct viscosity, OEM specification, fill volume and change interval.
Gearbox Specifications
| Parameter | Value |
|---|---|
| Make / Model | Subaru Outback BT |
| Gearbox type | CVT |
| Gearbox code | TR690 |
| Production Years | 2020–2025 |
| Oil viscosity | ATF |
| OEM specification | Subaru CVTF-II |
| Fill volume | 9.6 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 TR690
Subaru CVTF-II / Febi CVTF / Liqui Moly Top Tec ATF 1700
Cvt Gearbox — Key Points
CVT: Use only dedicated CVT fluid — standard ATF will cause belt slip and premature CVT failure.
FAQ
What oil goes in Subaru Outback BT TR690?
Viscosity ATF, specification Subaru CVTF-II, volume 9.6 L. Suitable brands: Subaru CVTF-II / Febi CVTF / Liqui Moly Top Tec ATF 1700.
When should the gearbox oil be changed on Subaru Outback BT?
Every 40000 km.
Can I use a universal ATF instead of Subaru CVTF-II?
No. The TR690 requires strict compliance with Subaru CVTF-II. A universal ATF lacks the correct friction characteristics and will cause premature wear.
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