Wholesome automated transmission fluid (ATF) usually seems brilliant purple. This vibrant coloration signifies contemporary fluid with optimum lubricating and cooling properties. Because the fluid ages and degrades, it could possibly darken, turning brown and even black. A burnt odor usually accompanies this coloration change, signifying extreme degradation and potential transmission harm. Fluid that seems milky or cloudy might counsel contamination with coolant or water.
Sustaining the proper fluid coloration is important for correct transmission perform. Clear, brilliant purple ATF ensures easy shifting, prevents overheating, and extends the transmission’s lifespan. Ignoring discoloration can result in pricey repairs or full transmission failure. Repeatedly checking the fluid’s coloration and situation, as outlined within the car’s proprietor’s guide, represents a easy but essential preventative upkeep step.
