2016-2017 Mazda 6 2.5 Automatic Transmission

Also known as

Automatic Gearbox

Auto Trans

Transmission Assembly

Transaxle

FWD Transmission

What this part does

The automatic transmission serves as the critical link between the engine and the drive wheels, utilizing hydraulic fluid, clutches, and gear sets to multiply torque and regulate vehicle speed. In the Mazda 6, this specific Skyactiv-Drive transaxle unit is designed to offer the direct feel of a manual gearbox alongside the smooth operation of a traditional automatic, utilizing a multi-plate clutch alongside a smaller torque converter. It manages gear shifts electronically based on engine load, vehicle speed, and driver input. When this component begins to fail, the vehicle typically exhibits delayed gear engagement, harsh or clunking shifts, engine flaring between gears, or a complete loss of forward or reverse mobility. Severe internal wear often results in metallic debris circulating in the transmission fluid, which further damages the valve body and internal solenoids.

Fits these vehicles

Before you order

Verify that your vehicle is front-wheel drive, as all-wheel drive variants utilize a different transaxle housing and transfer case setup. When installing a replacement automatic transmission, you must thoroughly flush the existing transmission cooler and cooler lines to prevent metal shavings from the previous failure from contaminating the new unit. The torque converter must be fully and properly seated into the front pump before attempting to bolt the bell housing to the engine block; failure to do so will destroy the transmission fluid pump upon engine start. Additionally, modern Mazda transmissions often require adaptive shift learning or initialization procedures performed with a specialized bi-directional scan tool to ensure proper shift quality and longevity after installation.