AWD Control Module (J492), Rear Final Drive 0BR, 0BS and 0BY (Haldex-Clutch Generation IV)
AWD Control Module (J492), Rear Final Drive 0BR, 0BS and 0BY (Haldex-Clutch Generation IV)
Special tools, testers and auxiliary items required
• 4 mm Allen wrench
• Torque Wrench (V.A.G 1783)
• Drip Tray for VAS 6100 (VAS 6208)
- Turn off the ignition.
- Disconnect the harness connectors - 1 and 2 - at the upper control module.
- Place drip tray under final drive.
• It is useful to have large enough tool trolley and some cloths nearby on which removed parts can be placed.
- Remove the bolts - arrows -.
- Carefully remove the control module - A -.
- Remove the cover => [ (Item 3) Cover ] All Wheel Drive Control Module (J492), Rear Final Drive 0BR, 0BS and 0BY (Haldex-Clutch Generation IV) Overview from the Haldex clutch housing if necessary. Continue holding the valve - arrow -.
- Cover the Haldex clutch control valve (N373) - arrow - with a cloth; grab the valve body with pliers and remove it.
Installing
Installation is performed in the reverse order of removal while observing the following:
• The valve sealing rings have different internal diameters.
• - 1 - internal - diameter 10 mm
• - 2 - internal - diameter 11 mm
• - 3 - internal - diameter 12 mm
• - 4 - sealing ring on the valve body
- First coat the sealing ring - 1 - with Haldex oil and mount it on the Haldex clutch control valve.
- Then sealing ring - 2, 3 and 4 -.
- Press the centering lips (quantity 4) of the sealing ring - 4 - into the groove.
- Place the new cover - 2 - on the control module - 1 -.
• The cover fits in one position only.
- Insert the Haldex clutch control valve - 3 - into the control module - 1 -.
• The valve only fits in one position.
- Carefully position the control module - A - and tighten the bolts - arrows - to the tightening specification => [ (Item 2) Bolt ] All Wheel Drive Control Module (J492), Rear Final Drive 0BR, 0BS and 0BY (Haldex-Clutch Generation IV) Overview.
- Check oil level in Haldex clutch, refer to => [ Haldex Clutch Oil Level, Checking or Filling ] Haldex Clutch Oil Level, Checking or Filling.