Fluid · AWD Coupling (Haldex)
AWD Coupling (Haldex)
for 2018 Audi TTS 2.0L Turbo I4 · AWD
Fluid Type
Haldex AWD coupling fluid (VAG G055175A2)
Spec: G 055 175 A2
Capacity
0.9qt
0.85 L
Drain & Refill
0.9 qt
0.85 L
Change Interval
40,000 mi
64,360 km
Data quality
✓ Verified
Cross-checked against OEM or multiple independent sources.
Notes
Haldex Gen 5 (BorgWarner). No filter on this generation. Gen 5 units are sealed with no external filter; drain plug is accessed from underneath with vehicle level and requires torque spec of 15 Nm.