Why do you check transmission fluid with the car running?
Transmission fluid is checked when it's hot (up to running temperature). As the fluid gets up to temperature it expands. If the fluid is cold, it won't give the proper level reading, thus overfilling will ensue.25 ago 2016
Does gearbox oil degrade over time?
Automatic transmission fluid does degrade over time and mileage and must be changed on a regular basis. It lubricates, cools, seals and provides hydraulic pressure.
There could be blue or yellow transmission fluid too. It is actually dyed to make it look different from other car fluids. The color turns gradually darker over time, indicating the presence of contaminants and dirt.25 mar 2019
S tronic® The S tronic combines the efficiency and sportiness of a conventional manual gearbox with the convenience of a modern automatic. The dual-clutch gearbox enables rapid shifting with almost no noticeable interruption in the power flow. The vehicle accelerates smoothly and dynamically.
How much is a transmission fluid change at Walmart?
Walmart Auto Care Centers can check and refill Transmission Fluid during an Oil and Lube Service for $19.88. You cannot have your car flushed and changed at Walmart. You can purchase 1 Quart bottles of Transmission Fluid for $4-83, including multi-pack deals.