Overfilling an automatic transmission causes the fluid to foam, leading to erratic gear shifting, oil starvation and transmission damage. Overfilling a manual transmission causes the fluid to leak from the vent and the gear trains to slow down when the clutch is depressed, leading to gear shifting problems.
When adding transmission fluid, checking the fluid level often can prevent overfilling. For most vehicles, the transmission fluid level can be checked by pulling out the dipstick while the engine is idling and the transmission is in park. The recommended level is between the "add" and "full" marks on the dipstick. The transmission fluid should be checked at least twice and the dipstick wiped between readings to ensure accuracy.Learn More
Transmission fluid and transaxle fluid are the same thing. On average, someone should flush their transmission and change the fluid, every 2 years, or every 30,000 miles, whichever comes first.Full Answer >
When the transmission fails on a car, the car becomes practically useless because the transmission is responsible for changing the gears on the car, which in turn provides the power to the wheels to move it forward. Transmissions are, therefore, essential to a car's basic functioning, whether or not the car operates on an automatic or manual method of gear shifting.Full Answer >
Transmission leaks may be caused by lose pan bolts or drain plugs, a cracked transmission pan gasket, a faulty torque convertor, damaged transmission fluid lines or a warped pan gasket, according to CarsDirect. There are various reasons for transmission leaks. Most have easy fixes, while some can be quite expensive.Full Answer >
Normal wear of the transmission produces metal shavings in the fluid. While this is not a problem, it indicates it is time to change the fluid, according to AutoZone. Failure to perform this maintenance task according to schedule allows these shavings to increase transmission wear, leading to early failure.Full Answer >