2. Unscrew the two bolts and remove the intermediate support of the propeller shaft.
3. Disconnect the suspension crossmember from the gearbox and carefully lower the gearbox.
4. Remove the vacuum hose from the vacuum regulator.
5. Unscrew the mounting bolt (indicated by the arrow) of the vacuum regulator bracket and remove the bracket.
6. Remove the vacuum regulator together with the rod.
7. Lubricate the new sealing ring with fresh transmission oil and install it on the vacuum regulator nipple.
8. Further installation is carried out in the reverse order of removal. Be sure to check the oil level in the gearbox and, if necessary, bring it up to standard.