Can transmission fluid be used as a substitute for power steering fluid?

1 Answers
LaMadison
07/30/25 2:08am
Power steering fluid can be substituted with transmission fluid, but transmission fluid cannot be replaced with power steering fluid. Power steering fluid is a specialized liquid used in a vehicle's power steering pump, which utilizes hydraulic pressure to make steering easier, similar to automatic transmission fluid, brake fluid, and shock absorber fluid. The functions of transmission fluid are to maintain the cleanliness of the gear system and to lubricate and prolong the life of the transmission components. Signs that indicate the need for transmission fluid replacement include: 1. Vehicle shaking and gear shifting hesitation; 2. Transmission overheating warning appearing on the dashboard; 3. The car stalling easily; 4. Unusual noises.
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