9.1. Assembly details of the "J492" all-wheel drive control unit 1. All-wheel drive control unit "J492"; 2. Bolts, 6 Nm; 3. The cover, with a vulcanized seal, is subject to replacement; 4. Clutch control valve "N373"; 5. Gasket, subject to replacement; 6. Sealing ring, diameter 12 mm, subject to replacement; 7. Sealing ring, diameter 11 mm, subject to replacement; 8. Sealing ring, diameter 10 mm, subject to replacement
2. Turn off the ignition.
3. Disconnect the connectors (1 and 2 in the illustration) j492 block wiring.
9.3. J492 block connectors
4. Place a drain pan under the Haldex coupling, remove the bolts and carefully remove the J492 unit (see illustration).
9.4. J492 Block Mounting Bolts
5. If necessary, remove the block cover. While doing this, hold the N373 valve (see illustration). Cover valve N373 with a cloth, grab it with pliers and pull it out.
9.5. Valve "N373"
6. Installation is carried out in reverse order. Use new valve sealing rings, moisten them with Haldex coupling fluid before installation. Tighten the block mounting bolts with a force of 6 Nm. Finally, check and adjust the Haldex coupling fluid level (see Chapter 1).