Removal and installation the rear final drive with differential (Skoda Superb B6)

1. The details of the rear final drive installation are shown in the accompanying illustration.



2. Lift the luggage compartment floor covering and remove the two plugs (And on the accompanying illustration) and unscrew the bolts (B) located underneath them that secure the main gear housing to the subframe. Reusing these bolts is not permitted.



3. Follow the steps in paragraphs 3-9 Section 11.

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4. To prevent damage to the rear left suspension height sensor (1 on the accompanying illustration), disconnect the connector, remove the sensor fastener and place it on the lower suspension arm (D).



5. Unscrew the fasteners of both drive shafts to the rear final drive (see Section 4). Remove the rear suspension stabilizer bar (see Chapter 10). To loosen/tighten the top bolt (upper arrow in the accompanying illustration) stabilizer clamp, grasp the corresponding drive shaft in the flange shaft of the rear final drive and press it upward.



6. Loosen the bolt (In the accompanying illustration) on the front bracket no more than 5 turns to loosen the rear final drive.





7. Carefully raise the rear final drive (And on the accompanying illustration) by its rear side in the direction of the arrow (1), move it to the right (arrow 2), remove the left drive shaft (B) from the flange and carefully remove it downwards.



8. Carefully raise the rear final drive (And on the accompanying illustration) by its rear side in the direction of the arrow (1), move it to the left (arrow 2), remove the right drive shaft (B) from the flange and carefully remove it downwards.



9. Return the rear final drive to the installation position, place a suitable wooden block (And in illustration 12.6) on a universal support, support the rear final drive with a transmission jack, fasten them together with straps, unscrew the bolt (B) on the front bracket and remove the washers (C) at the top of the bracket.



10. Tilt the rear final drive as shown in the accompanying illustration and at the same time lower it slightly.



11. Disconnect the connector (And on the accompanying illustration) aWD control unit "J492" and disconnect the ventilation lines (arrows). Lower the final drive even lower and move it forward.



12. Secure the final drive to the jack and bring it to the installation position (see illustration 12.10).

13. Raise the final drive and slide the rear supports (see accompanying illustration) above the subframe.



14. Connect the connector (And in the illustration 12.11) aWD control unit "J492" and connect the ventilation lines (arrows). Move the rear final drive to the installation position on the jack.



15. Place the washers (From the illustration 12.6) onto the front bracket and tighten the bolt (B) finger tight so that the rear of the rear final drive can be moved to install the drive shafts. Remove the jack.

16. Lift the rear part of the rear main gear, move it to the left as far as it will go and carefully insert the right drive shaft into it. In the same way, insert the left drive shaft into the rear main gear.

17. Install the anti-roll bar (see Chapter 10).

18. Tighten two new bolts through the holes in the luggage compartment and plug these holes with plugs.

19. Tighten the rear final drive fasteners from below (In illustration 12.6).

20. Install and secure the propeller shaft (see Section 7).

21. Secure the drive shafts (see Section 4).

22. Tighten the new rocker support to transmission bolts.

23. Set the intermediate bearing of the cardan shaft without tension and secure it. Install the heat-protective cover of the cardan shaft.

24. Install the rear suspension height sensor. Using a scan tool, apply the basic settings for headlight leveling.

25. Install the exhaust system.

26. Finally, check and, if necessary, adjust the level of working fluids in the Haldex clutch and in the rear final drive.