GEAR ATF
ATF DII vs DIII: Which Automatic Transmission Fluid Should You Choose?
An automatic gearbox is a precision system: the hydraulic pressure that controls gear changes depends directly on the friction properties of the ATF used.
An automatic gearbox is a precision system: the hydraulic pressure that controls gear changes depends directly on the friction properties of the ATF used.
GEAR ATF DII and GEAR ATF DIII meet different Dexron specifications, defining distinct friction coefficients between the gearbox's internal clutch plates. Using the wrong standard can cause harsh shifting or premature gearbox wear.
The required standard is listed in the vehicle manual or sometimes directly on the transmission dipstick. If in doubt, our technical team can guide you based on the vehicle's model and year.
No, servicing an automatic gearbox often requires specific equipment (a flush machine) to renew the oil in a closed circuit without introducing air into the system.
Harsh shifting, clutch slip or, over the long term, premature wear of the gearbox's internal components.
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