Does black transmission fluid definitely indicate a problem?

1 Answers
LandonRose
07/29/25 11:35pm
Black transmission fluid definitely indicates a problem. Here are relevant introductions about transmission fluid: 1. Normal transmission fluid: Should be odorless, semi-transparent, red or yellow in color. If the vehicle's operating conditions are good with clean ATF fluid and minimal impurities (visible to naked eye), the maintenance cycle can be appropriately extended. 2. Abnormal transmission fluid: If operating under special conditions such as frequent sandstorms, road congestion, poor air quality, or harsh usage environments where the ATF becomes viscous, turns black, or develops odors (like a burnt smell), it's recommended to change the fluid and perform maintenance. If the transmission fluid appears black or has a burnt smell, it must be replaced immediately.
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