Guangzhou Meishun Automatic Transmission Co., Ltd.
Professionalism comes from focus ！ Choose us, choose expertise！ One stop service （transmission parts cover all models.)
Add to Cart
Function: Distributes Haldex-5 AWD torque (50:50 bias) via hypoid gearset (3.68:1 ratio) with integrated e-diff.
Key Features:
Forged Pinion: Case-hardened steel (HRC 62+) with lapped contact pattern
Sealed Bearings: Lifetime lubricated (G 052 145 S2 fluid)
Thermal Sensor: Monitors fluid temp (>130°C triggers TCU protection)
Failure Modes:
Bearing Brinelling: Impact loads create false brinelling marks (hum at 80km/h+)
Seal Leaks: Allows fluid migration to Haldex pump (P189C codes)
Crown Wheel Pitting: Improper run-in causes fatigue spalling
Critical Specs:
Backlash: 0.08-0.15mm (requires dial indicator)
Pinion preload: 1.0-1.5 Nm rotational torque
Pro Tip: Post-installation, perform 30km run-in with varied speeds – avoids glazing.
