Gearbox and final drive By means of different gear ratios, the gearbox adapts the speed of the engine and drive wheels. Thus, the driver can influence the speed of the car, its...
Manual Transmission Engine power is transmitted through the clutch to the transmission input shaft. There are 6 gears on this input or drive shaft (including reverse gear), which...
Noises in the gearbox Over time, noises developing in the gearbox may attract attention. In this case, you must first check the oil level in the gearbox. If a howling sound appears...
Automatic transmission The Audi A4 uses two different automatic transmission models for installation: firstly, the VW-developed gearbox «AG-4» for a four-cylinder naturally aspirated...
Electronic transmission control In a planetary gear, all gears are constantly engaged. Different gear stages are achieved without breaking the thrust by driving or holding the sun wheel,...
Main gear The gearbox and final drive – as in almost all front-wheel drive vehicles – are located in the Audi A4 in a common housing. The power transmitted from the...
Drive shafts So that when driving and driving the machine you do not feel the influence of the drive shafts on the steering, the drive shaft joints must transmit force in...
Checking the cuffs of the drive shafts Cuffs - the arrow points to one of them - on the hinges should not have cracks or damage. Dirt and moisture are dangerous for the hinge. The drive shaft joints...
Help with malfunctions Drive shafts Usually there are no problems with drive shafts. Their durability depends, of course, on the driving style of the car. Starting with the...