Audi TT Audi TT Transmission and Drivetrain 1 — Questions and Answers
Question 1: What type of automatic transmission is used in the Audi TT 2.0T TFSI?
- 6-speed manual
- S tronic dual-clutch transmission (Correct answer)
- CVT
- Torque converter automatic
Correct answer: S tronic dual-clutch transmission
The Audi TT 2.0T TFSI uses an S tronic dual-clutch transmission for quick, smooth gear changes.
Question 2: What is the primary function of the Audi TT's Haldex coupling in the quattro all-wheel drive system?
- To lock the front axle
- To distribute torque between front and rear axles on demand (Correct answer)
- To eliminate the center differential
- To regulate engine torque output
Correct answer: To distribute torque between front and rear axles on demand
The Haldex coupling in the Audi TT quattro system transfers torque to the rear axle on demand when front-wheel slip is detected.
Question 3: What fluid specification should be used when servicing the Audi TT S tronic transmission?
- ATF Dexron III
- Audi G 052 182 A2 (DSG fluid) (Correct answer)
- Standard 75W-90 gear oil
- Power steering fluid
Correct answer: Audi G 052 182 A2 (DSG fluid)
Audi specifies G 052 182 A2 DSG fluid for the S tronic dual-clutch transmission to ensure proper clutch pack operation.
Question 4: During a road test of an Audi TT with a complaint of harsh shifts in the S tronic, what is the first diagnostic step?
- Replace the mechatronic unit
- Check and adapt the transmission control module via VCDS (Correct answer)
- Flush and refill transmission fluid
- Inspect clutch pack wear
Correct answer: Check and adapt the transmission control module via VCDS
Performing a VCDS basic setting adaptation for the S tronic resets clutch kiss-point values and often resolves harsh shift complaints.
Question 5: What is the correct S tronic transmission fluid service interval for the Audi TT under normal driving conditions in the US market?
- Every 20,000 miles
- Lifetime fill — no service required unless fault found (Correct answer)
- Every 40,000 miles
- Every 60,000 miles
Correct answer: Lifetime fill — no service required unless fault found
Audi designates the S tronic fluid as a lifetime fill but recommends inspection and replacement if fault codes or shift quality issues are present.
Question 6: Which component in the Audi TT quattro drivetrain transfers drive from the transmission to the rear axle?
- Front differential
- Propshaft (rear driveshaft) (Correct answer)
- Torsen differential
- Transfer case
Correct answer: Propshaft (rear driveshaft)
A propshaft connects the front-mounted transmission to the rear Haldex coupling/rear differential in the Audi TT quattro.
Audi TT Audi TT Transmission and Drivetrain 1
What type of automatic transmission is used in the Audi TT 2.0T TFSI?