Wholesome automated transmission fluid (ATF) is usually a vibrant, translucent purple coloration. Nevertheless, because it ages and degrades, it might darken to a reddish-brown. A leak could current as a reddish stain, generally with a barely candy odor, beneath a automobile. The colour can vary from a vibrant cherry purple to a darkish, virtually black, brown relying on the fluid’s age and situation, in addition to potential contamination from different fluids.
Recognizing the hue of discharged ATF supplies beneficial diagnostic info. It might assist pinpoint the supply of a leak and the urgency of repairs. Distinguishing transmission fluid from different automobile fluids, equivalent to energy steering or engine oil, is essential for correct troubleshooting and efficient upkeep. Early detection of a leak can stop important injury to the transmission and keep away from pricey repairs. Traditionally, ATF has been dyed purple to help in leak identification and differentiate it from different automotive fluids.