Fluid · AWD Coupling (Haldex)
AWD Coupling (Haldex)
for 2018-2023 Audi TT RS 2.5L Turbo I5 · AWD
Fluid Type
Haldex coupling oil
Spec: G 055 175 A2
Capacity
0.85qt
0.8 L
Drain & Refill
0.85 qt
0.8 L
Change Interval
40,000 mi
64,360 km
Data quality
Book-style estimate
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Notes
Haldex Gen 5 (BorgWarner). No filter on this generation. Gen 5 has no replaceable filter; drain plug often requires 8mm hex, coupling mounted to rear differential housing.