Are There Any Aftereffects After Repairing a Water-Damaged Transmission?
2 Answers
Generally, there are no aftereffects after repairing a water-damaged transmission. Types of Automatic Transmissions: There are three common types of automotive transmissions: Hydraulic Automatic Transmission (referred to as AT), Continuously Variable Transmission (referred to as CVT), and Automated Manual Transmission (referred to as AMT). Currently, AT is the most widely used in passenger vehicles on the market. Function: The main function of an automatic transmission is to transform the engine's output into a wide range of speed variations delivered to the drive wheels. For example, it ensures that the driver can release the clutch pedal and leave the driver's seat without the engine stalling.
As a veteran who has worked in auto repair shops for over a decade, I've handled quite a few cases of water ingress in transmissions. After repairs, lingering issues can indeed surface, especially if the water wasn't completely removed or parts weren't thoroughly replaced. The most common problems are internal gear rust and corrosion, leading to clunking or jerking during gear shifts; moisture-damaged electronic sensors prone to malfunction, triggering warning lights; worse yet, fluid contamination with water degrades lubrication efficiency, accelerating transmission wear over time. Once, a customer's car developed severe shaking two weeks post-repair—inspection revealed a stuck valve body. My advice: insist on thorough internal cleaning, fresh fluid replacement, and full electronic module checks during repairs. After completion, test-drive extensively for several days to ensure no hidden issues. Regular fluid level and color monitoring helps prevent future troubles.