S 500 4MATIC (220.184) V8-5.0L (113.966) (2003)
Seals and Gaskets: Service and Repair
AR35.31-P-0530I Replace Radial Seal on Drive Pinion of Rear Axle Assembly
Replace Radial Seal Ring On Drive Pinion (Rear Final-drive Unit Installed)
Shown On Rear Final-drive Unit Dia. 198 Mm
Remove/Install
DANGER:
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Risk of fatal accident from vehicle slipping or toppling off the lift platform
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Align vehicle between the columns of the lifting platform and position the four support plates at the lifting platform support points
specified by the vehicle manufacturer.
1
Jack up vehicle
2
Draining rear axle oil
3
Remove exhaust system as of flange connection
4
Detach rear axle shafts (37) from connecting flange
NOTE:
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Move rear axle shaft so that is roughly horizontal and then push together.
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Remove rear axle shaft from connecting flange at a downward angle and tie up rear axle carrier
CAUTION:
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Installation: Replace self-locking bolts and washers.
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Lightly oil bolts at thread and bolt head contact surface.
5
Unscrew bolts from center driveshaft bearing support (106a)
6
Detach rear section of driveshaft (106) from rear final-drive unit (50).
NOTE:
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Flexible coupling remains on driveshaft
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Installation: Connect rear section of driveshaft to rear final-drive unit
7
Loosen fitted sleeves on flexible couplings
NOTE: Tie up driveshaft to one side
Measuring
8
Measure and note overall moment of friction on drive pinion
9
Slacken and unscrew hexagon collared nut (40)
NOTE:
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Do not remove the collar protection when slackening hexagon collared nut
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To improve control when slackening the hexagon collared nut, press the shop-made bush into the commercially available socket wrench bit
CAUTION: