Mazda FW6A-EL 6-Speed Automatic Transaxle · Mazda · Expert rebuild service since 1987. Lifetime warranty. Free diagnostic.
2013–2022 Mazda 6 (2.5L SKYACTIV), 2013–2022 Mazda CX-5 (2.0/2.5L), 2016–2022 Mazda CX-9 (2.5T), 2014–2022 Mazda 3 (2.5L)
| Configuration | 6-speed automatic FWD/AWD transaxle (SKYACTIV-Drive) |
|---|---|
| Gear Ratios | 1st 3.552:1 · 2nd 2.022:1 · 3rd 1.452:1 · 4th 1.000:1 · 5th 0.708:1 · 6th 0.599:1 · Rev 3.893:1 |
| Fluid Type | Mazda ATF-FZ (SKYACTIV-Drive specific) |
| Fluid Capacity | 7.2 qts total, 3.4 qts service refill |
The SKYACTIV-Drive FW6A-EL locks the TCC much earlier (at very low speeds — as low as 15 mph) to improve fuel economy. This aggressive lock-up causes shudder when ATF-FZ is degraded.
Symptoms: Low-speed shudder at 15–25 mph, vibration feels like engine miss, DTC P0740 or no DTC
ATF-FZ is the sole Mazda-spec fluid for SKYACTIV-Drive. Using Mercon V or generic ATF causes immediate TCC shudder and long-term clutch wear.
Symptoms: TCC shudder after fluid service with wrong fluid, clutch engagement issues
Solenoid failure from degraded ATF-FZ causes shift quality issues on high-mileage SKYACTIV units.
Symptoms: DTC P0750–P0758, harsh shifts, delayed upshifts
FW6A-EL rebuild replaces solenoid body, all clutch packs, torque converter (with early-lock TCC upgrade), and all seals. Mazda ATF-FZ used exclusively.
Mazda ATF-FZ ONLY — every 30,000 miles. SKYACTIV-Drive uses aggressive early TCC lock-up that requires ATF-FZ chemistry. Using Mercon V immediately causes TCC shudder. Do not substitute any other fluid.
The SKYACTIV-Drive (FW6A-EL) is Mazda's 6-speed automatic with an extremely early TCC lock-up strategy (as low as 15 mph) designed to maximize fuel efficiency.
Mazda ATF-FZ exclusively. This is not compatible with Mercon V, Dexron VI, or other ATF specifications — using the wrong fluid immediately causes TCC shudder.
Early TCC lock-up shudder from degraded or wrong-spec ATF is the most common cause. Use only Mazda ATF-FZ and change every 30,000 miles.
A full rebuild ranges $1,700–$2,200 at Chicago Transmission.
2013+ Mazda 6, CX-5, CX-9 2.5T, and Mazda 3 2.5L.
Free diagnostic, written estimate, lifetime warranty. Chicago's FW6A-EL rebuild specialists since 1987.
