Many drivers have heard that transmission fluid lasts forever or that it never needs to be changed. In reality, transmission fluid can break down over time. Heat, mileage, towing, stop-and-go traffic, and normal wear can all affect the condition of the fluid.
Transmission fluid plays a major role in how your vehicle shifts, cools, and protects internal parts. When that fluid gets old, contaminated, or overheated, it may stop doing its job properly. That can lead to bigger transmission problems if the issue is ignored.
What Transmission Fluid DoesTransmission fluid does more than help your vehicle shift. It helps:
- Lubricate moving parts
- Reduce friction
- Control heat
- Support hydraulic pressure
- Protect seals, clutches, [...]
