نام تجاری:
Volkswagen Passat
Model Number:
09M; TF-60SN
Function: 1st/3rd/5th gear engagement in VW/Audi transverse 6-speed applications.
Design:
3-piston clutch pack (5 friction plates, 6 steel plates)
Drum material: Hardened aluminum (Si-Cu alloy) with anti-wear coating
Critical Tolerances:
Plate clearance: 1.2–1.6mm (new), >2.0mm requires replacement
Piston stroke: 2.8–3.2mm
Failure Modes:
Seal leaks (causing delayed engagement)
Drum spline wear (>0.2mm play leads to shudder)
Overheating (if ATF degraded, causing plate glazing)
Note: Uses VW G 055 025 A2 fluid; common failure in high-mileage units.
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