AUDI Transmission & Drivetrain Systems 2

Question 1

When replacing an Audi S tronic mechatronic unit, what must be completed after installation to ensure correct operation?

Accepted Answer

A basic settings procedure and clutch adaptation via ODIS

Answer

Only an oil fill-level check is required

Answer

A static wheel alignment and throttle body adaptation

Answer

A power steering bleeding procedure

Question 2

In Audi's quattro ultra system (found on some A4/A5 models), how does torque distribution to the rear axle differ from classic quattro?

Accepted Answer

It can fully disconnect the rear axle when AWD is not needed to save fuel

Answer

It uses a Torsen differential that is always engaged

Answer

It locks the center differential for better off-road capability

Answer

It uses a belt-driven secondary output for the rear axle

Question 3

What does a worn or failing CV (constant velocity) joint on an Audi driveshaft typically sound like when turning at low speed?

Accepted Answer

A clicking or popping noise during tight turns

Answer

A low-frequency rumble during straight-line acceleration

Answer

A high-pitched whistle from the wheel bearing

Answer

A grinding noise only during braking

Question 4

On an Audi with a 7-speed S tronic, gear 'K2' refers to which clutch pack?

Accepted Answer

The clutch engaging 2nd, 4th, and 6th gears

Answer

The clutch engaging 1st, 3rd, 5th, and 7th gears

Answer

The reverse gear lockout clutch

Answer

The torque converter bypass clutch

Question 5

What is the correct procedure for checking the fluid level in an Audi S tronic transmission?

Accepted Answer

Run the transmission to operating temperature, then check via the overflow/filler plug at the specified temperature range

Answer

Check the dipstick with the engine cold before starting

Answer

Remove the drain plug and measure the outflow volume

Answer

Check via the reservoir sight glass at the top of the transmission

Question 6

Which ODIS function should a technician run if an Audi with S tronic exhibits harsh shifts after transmission overhaul?

Accepted Answer

S tronic basic settings and clutch kiss-point adaptation

Answer

Injection quantity adaptation

Answer

ABS sensor calibration

Answer

Throttle position sensor relearn

Question 7

In Audi's longitudinal quattro drivetrain, what is the purpose of the rear differential's electronic differential lock (EDL)?

Accepted Answer

It uses brake intervention on spinning wheels to simulate a limited-slip effect

Answer

It physically locks the rear axle shafts together for off-road use

Answer

It disconnects the rear axle when understeer is detected

Answer

It prevents torque from being sent to the front axle