
The following describes the effects of long-term failure to change transmission fluid: Reduced oil pressure: Causes the oil in the transmission to become thicker. After oil pressure decreases, internal heat dissipation is hindered, leading to excessively high oil temperature, which shortens the lifespan of both the transmission and drivetrain components. Slippage phenomenon: Not changing the transmission fluid may result in weak acceleration during startup, causing frequent slippage during vehicle operation. Rapid wear: Prolonged failure to change transmission fluid leads to deterioration and evaporation under high-speed and high-temperature conditions, resulting in rapid wear of components and damage to internal transmission parts.

After driving for so many years, I've seen many car owners skip changing their transmission fluid to save trouble, only to end up with major transmission issues. Transmission fluid is like the partner of engine oil, specifically responsible for lubricating, cooling, and cleaning the internal gears. If not changed for a long time, metal shavings and dirt will accumulate in the fluid, reducing its lubrication effectiveness. Increased friction between gears can cause abnormal noises and heat, making gear shifts feel rough and sticky, or even leading to slipping gears or complete failure. My friend's SUV was a perfect example—when towed to the repair shop, the fluid had turned completely black, clogging the valves, and cost over ten thousand to fix. So, regular fluid changes are crucial. Check it every 50,000 to 60,000 kilometers—don’t wait until a breakdown happens. The repair costs will far exceed the price of a fluid change, not to mention disrupting your travel plans.

As someone who enjoys delving into car details, I often study vehicle maintenance intricacies. Not changing transmission fluid can have profound consequences: aged fluid loses viscosity and additive effectiveness, failing to adequately reduce gear wear; diminished cooling capacity may lead to overheating and electronic component failures; accumulated contaminants can clog filters and valve bodies, causing delayed or erratic gear shifts. These issues accelerate internal component damage, potentially requiring complete transmission replacement during repairs - an exorbitant expense. I recommend following your vehicle's manual for regular fluid changes to maintain smooth shifting and prevent sudden failures. When driving, seamless gear transitions directly impact both safety and comfort - don't let minor neglect lead to major troubles.

I think many people try to save money by not changing transmission fluid, but end up losing more in the long run. Without fluid changes, lubrication deteriorates, accelerating gear wear. Problems don't appear overnight but accumulate gradually. Initially, you might only notice slightly slower gear shifts or minor noises, but over time, internal transmission damage becomes severe, often requiring repairs costing thousands. Prevention is always better than cure. Changing the fluid every 40,000 to 60,000 kilometers can avoid major expenses and inconvenience. Remember, a small investment ensures worry-free driving—don't lose big by skimping small.


