Wholesome automated transmission fluid (ATF) usually seems shiny pink and translucent. This vibrant colour signifies the fluid is recent and successfully performing its lubricating and cooling features. Because the fluid ages and degrades, it might darken to a reddish-brown or perhaps a darkish, opaque brown. A burnt scent usually accompanies this colour change, indicating extreme degradation and potential injury to the transmission.
Sustaining the correct colour and situation of ATF is essential for the longevity and correct operation of an automated transmission. Clear, shiny pink fluid ensures enough lubrication and cooling, stopping friction and overheating that may result in pricey repairs or full transmission failure. Traditionally, ATF formulations various considerably, making colour a much less dependable indicator. Fashionable fluids, nonetheless, adhere to stricter requirements, permitting colour to function a helpful visible diagnostic software.