What are the consequences of insufficient transmission fluid?

1 Answers
DiBradley
07/29/25 9:20pm
Here are the symptoms of insufficient manual transmission fluid: 1. After starting the engine, there is a "whooshing" noise from the transmission, which disappears when the clutch pedal is pressed and reappears when the pedal is released; 2. The transmission temperature is very high, feeling hot to the touch; 3. Only a small amount of fluid can be drained when attempting to change the transmission fluid; 4. Upon disassembling the transmission, abnormal wear can be observed on the gear surfaces, with severe cases showing blue discoloration due to overheating; 5. Bearings may be burnt or even shattered; 6. Gear surfaces appear dry, with no signs of splashed transmission fluid. Here are the symptoms of insufficient automatic transmission fluid: 1. Reduced transmission fluid leads to insufficient acceleration power and inability to speed up. 2. Severe lack of transmission fluid can render the vehicle immobile. 3. Even with good transmission fluid, internal components may still be damaged due to overheating.
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