نام تجاری:
Volkswagen Passat
Model Number:
AWTF60SN
Application: ZF 6HP/8HP or similar, handling 4th-6th gear shifts under high torque (500–700Nm).
Design:
15-spline hardened steel shaft (SAE 4140, 60–64 HRC) for direct hub engagement.
4-clutch pack (3 friction + 4 steel plates, 0.5–0.7mm clearance new).
Critical Specs:
Drum OD: 120–125mm, anodized for thermal resistance (max 200°C).
Spline tolerance: ±0.03mm (wear >0.1mm causes slippage).
Failure Modes:
Spline shear (fatigue under abrupt shifts).
Drum warping (overheat cycles).
Seal blowout (pressure loss in boost phase).
Note: Requires low-viscosity ATF (e.g., ZF LG8) for optimal clutch modulation.
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