23 21 805 Replacing Bearings On All Transmission Shafts (S5D 260Z / 310Z / 320Z): Installation:

Replace radial seal.

Drive out ball bearing for output shaft with special tool 23 1 440 towards inside.

Fig 1: Removing Ball Bearing For Output Shaft

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Countershaft:

Heat housing in area of ball bearing to approx. 80°C (hot-air blower).

Withdraw ball bearing (1) towards inside.

Fig 2: Withdrawing Ball Bearing

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Clean dirt from rear housing section.

Heat rear section of housing uniformly in area of ball bearing to approx. 80°C (hot-air blower).

Insert ball bearings for output shaft/countershaft.

Insert ball bearing (1) for countershaft with stepped side (1) towards inside.

Fig 3: Inserting Ball Bearing For Countershaft

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Drive in ball bearing until it is firmly seated:

• Drive in output shaft with special tools 23 1 470 and 00 5 500.
• Drive in countershaft with special tools 23 1 220 and 00 5 500.
  Fig 4: Installing Output Shaft And Countershaft

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Install retaining plates.

Fig 5: Installing Retaining Plates

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Install screws with screw retaining compound and tighten down.

Tightening torque, 23 11 17AZ. Refer to 23 11 CASE AND COVER .

For replacement of bearing inner race (2), 3rd/4th gear wheel must be pressed off with special tool 23 2 310.

Fig 6: Replacing Bearing Inner Race

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For removal, refer to 23 23 507 Disassembling and assembling all synchronizing mechanisms (S5D 260Z / 310Z / 320Z)  Replacing synchronizing mechanism, 3rd/4th gear.

Bearing in front housing section. 

Drive shaft: release screws.

Remove retaining plates (1).

Fig 7: Removing Retaining Plates

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Heat housing in area of ball bearing to approx. 80°C (hot-air blower).

Withdraw ball bearing (2), if necessary drive out with special tool 23 1 440 from outside to inside.

Fig 8: Withdrawing Ball Bearing

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Heat housing in area of ball bearing to approx. 80°C (hot-air blower).

Install ball bearing (2), if necessary drive in with special tool 23 1 470 until firmly seated.

Fig 9: Installing Ball Bearing

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Install retaining plates (1).

Fig 10: Installing Retaining Plates

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Install screws with screw retaining compound and tighten down.

Tightening torque, 23 11 17AZ. Refer to 23 11 CASE AND COVER .

Countershaft: install special tool 23 1 280 in bearing shell (1) for roller bearing.

Fig 11: Installing Special Tool In Bearing Shell

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Fit special tool 33 4 020.

Screw on special tool 23 1 300.

Withdraw bearing shell.

Fig 12: Removing Bearing Shell

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Install bearing shell (1) in such a way that slot in bearing shell is flush with knob (2) (turning lock) in housing.

Fig 1: Installing Bearing Shell

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Drive in bearing shell (1) with special tool 23 1 260 and special tool 00 5 500.

Fig 2: Driving In Bearing Shell

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