Wholesome computerized transmission fluid (ATF) is usually a vivid, translucent purple coloration. Nonetheless, because it ages and degrades, it might probably darken to a reddish-brown. A leak might current as a reddish stain, typically with a barely candy odor, below a automobile. The colour can vary from a vivid 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 offers useful diagnostic info. It could possibly assist pinpoint the supply of a leak and the urgency of repairs. Distinguishing transmission fluid from different automobile fluids, reminiscent of energy steering or engine oil, is essential for correct troubleshooting and efficient upkeep. Early detection of a leak can stop vital injury to the transmission and keep away from expensive repairs. Traditionally, ATF has been dyed purple to help in leak identification and differentiate it from different automotive fluids.