2026-09-15
Lexus ES 250 6AT ATF Change & ES 300h eCVT Fluid Service Malaysia
ES 250: 6AT (Toyota WS ATF, 5.4L total, drain/fill 4.2L), service every 20,000 km. ES 300h: eCVT uses Toyota CVTF WS, service every 20,000 km. Both services cost at an independent specialist. Neglecting ATF changes is the leading cause of ES 250 transmission issues — dark, burnt ATF shortens clutch pack life significantly.
Lexus ES Gearbox / Transmission Service
- ES 300h: eCVT — no conventional ATF oil change; planetary gear set in hybrid transaxle is bathed in hybrid fluid maintained by Toyota
- ES 250 (A25A-FKS): 8-speed automatic (AA80E or Direct Shift 8AT) — Toyota WS ATF; 20,000 km change interval recommended
- ES 300h smooth operation: eCVT is generally very smooth — any harshness or vibration in ES 300h drivetrain is more likely motor mounts or 12V battery related than the eCVT itself
- ATF colour check: pull ATF dipstick (ES 250) — dark brown or burnt smell means ATF is overdue for change