All Wheel Drive Control Module -J492-, Rear Final Drive 02D/0AV (HALDEX-Clutch Generation II) Overview

Fig 1: All Wheel Drive Control Module Components

Courtesy of AUDI OF AMERICA, LLC

1. All Wheel Drive (AWD) Control Module -J492-
   • Is calibrated with haldex clutch control valve -N373-  List Item:Haldex Clutch Control Valve -N373-
   • Always replace together with valve  List Item:Haldex Clutch Control Valve -N373-
   • Removing and installing, refer to All Wheel Drive Control Module -J492-, REAR FINAL DRIVE 02D/0AV (HALDEX-CLUTCH GENERATION II) 
2. Bolt
   • 6 Nm
3. Cover
   • Always replace
   • With vulcanized seal
4. Haldex Clutch Control Valve -N373-
   • Is calibrated with AWD control module
   • Always replace together with control module  List Item:All Wheel Drive (AWD) Control Module -J492-
5. Seal
   • Redesigned version with diagonal centering lips
   • Sealing ring replaced  List Item:Seal
   • Make sure the centering lip fits correctly in the groove
   • Coat with high performance Haldex clutch oil and insert
   • Always replace
6. Seal
   • Old version
   • The updated version is contained in the seal set  List Item:Seal
7. Seal
   • Diameter 12 mm
   • For Haldex clutch control valve
   • Coat with high performance Haldex clutch oil and insert
   • Always replace
8. Seal
   • Diameter 11 mm
   • For Haldex clutch control valve
   • Coat with high performance Haldex clutch oil and insert
   • Always replace
9. Seal
   • For oil pressure/temperature sensor -G437-
   • Coat with high performance Haldex clutch oil and insert
   • Always replace
10. Oil Pressure/Temperature Sensor -G437-
    • Can be reused when replacing control module
    • Removing and installing, refer to ALL WHEEL DRIVE CONTROL MODULE -J492-, REAR FINAL DRIVE 02D/0AV (HALDEX-CLUTCH GENERATION II) 
11. Plate Spring
    • In installation position, marking -arrow- must be located at top and face toward pressure sensor, refer to Fig 2.

Fig 2: Locating Plate Spring

Courtesy of AUDI OF AMERICA, LLC

• Marking -arrow- is located on convex side of plate spring -2-.
• The convex side with the marking -arrow- faces the pressure sensor -1-.
• Marking -arrow- faces upward in installation position.