Is the Automatic Transmission Prone to Failure?
3 Answers
With proper daily use, the automatic transmission is not prone to damage. If the transmission is damaged due to special circumstances, it should be replaced at a professional repair shop. Below is an introduction to automatic transmissions: Types of Automatic Transmissions: There are three common types of automotive transmissions: Hydraulic Automatic Transmission (AT), Continuously Variable Transmission (CVT), and Automated Manual Transmission (AMT). Currently, AT is the most commonly used in passenger vehicles on the market. Function of Automatic Transmission: The main function of an automatic transmission is to convert the engine's output into a wide range of speed variations delivered to the drive wheels.
Actually, modern automatic transmissions are not that fragile. I've been driving automatics for over a decade across three different cars, and with proper maintenance, they rarely have issues. The technology is quite mature now - mainstream transmissions like Aisin's 6AT or ZF's 8-speed can easily last 200,000-300,000 kilometers. The key is regular transmission fluid changes - I always use genuine fluid every 60,000 km. Avoid frequent shifting between D and N in traffic jams, and remember to switch to manual mode on steep climbs. If you notice rough shifting, lack of power, or oil leaks from the pan, get it checked immediately. Also, let the engine stabilize after cold starts in winter before driving - this really helps protect the transmission.
I think it mainly depends on usage habits and maintenance. My family's SUV has been driven for eight years with over 100,000 kilometers, and the transmission has never been touched. The 4S shop mechanic said the most common causes of damage are sludge clogging the valve body due to long-term failure to change the oil, or aggressive driving causing the oil temperature to rise too high. I once saw a friend's car where the solenoid valve got stuck because he forgot to change the oil, costing nearly ten thousand in repairs. For regular users, paying attention to two things is enough: first, don't modify the vehicle to increase power and burden the transmission without authorization, and second, follow the manual's requirements for maintenance and oil quality checks. As long as the oil is clear and odorless, there shouldn't be major issues.