33 10 016 Removing and Installing Rear Axle Final Drive
33 10 016 Removing and installing rear axle final driveSpecial tools required:
Warning!
Danger of injury!
Rear axle final drive must be lashed with tensioning strap 33 5 206 to prevent it falling out when the output shafts are forced off.
Important!
When removing/reinstalling the rear axle final drive, both output shaft radial shaft seals and the circlip on both output shafts must be renewed.
Check transmission oil level after completing tasks.
Necessary preliminary work:
^ Remove propeller shaft on final drive.
Position special tool 33 5 200 on workshop jack.
Support rear axle final drive 33 5 200 with special tool.
Lash rear axle final drive with tensioning strap 33 5 206 to special tool 33 5 200.
Important!
Tensioning strap 33 5 206 must be pass through between output shafts and rear axle final drive cover!
Important!
Special tools 33 5 120 and 33 5 125 must be inserted in all-round slot (1) on output shaft!
Press only left output shaft out of rear axle final drive with jerking and jolting motions using special tool 33 5 123, 33 5 121, 33 5 124 / 33 5 126.
Here, synchronizing key of bolt 33 5 122 must rest on rear axle final drive.
Release screws (1).
Tightening torque 33 17 1AZ.
Installation note:
Adhere to the installation sequence at the end of the document in order to prevent distortion of the rear axle final drive during Installation and thereby avoid potential complaints about noise.
Release nut and remove bolt (1).
Tightening torque 33 17 2AZ.
Installation note:
Adhere to the installation sequence at the end of the document in order to prevent distortion of the rear axle final drive during Installation and thereby avoid potential complaints about noise.
Lower rear axle final drive with special tool 33 5 200.
Important!
Risk of damage!
Output shafts must not under any circumstances rest on swinging arms.
Release bolt (1) on left spring strut.
Remove spring strut from wheel carrier.
Tightening torque, 33 52 3AZ.
Important!
Risk of damage!
Output shafts must not under any circumstances rest on swinging arms.
Secure special tool 31 5 220 with wheel studs to left drive flange.
Press wheel carrier min. approx. 12 cm upwards.
Press (tilt) rear axle final drive on right upwards.
Feed out left output shaft in downward direction and tie up.
Swing rear axle final drive towards left side.
Press right output shaft out of rear axle final drive with jerking and jolting motions using special tool 33 5 123, 33 5 121, 33 5 124 / 33 5 126. Here, synchronizing key of bolt 33 5 122 must rest on rear axle final drive.
Feed out output shaft and tie up.
Remove rear axle final drive.
Important!
High installation forces indicate that the output shaft spline teeth are damaged or deformed!
Check gearing, replace damaged parts if necessary.
Check dust plate (1) for damage, renew if necessary.
Replace circlip (2).
Coat highlighted contact surface (3) of output shaft with approved final drive oil.
Installation note:
Insert output shaft into rear axle final drive.
Pull out assembly protection ring at lug (1) until one of the two predetermined breaking points gives.
Drive output shaft into rear axle final drive using special tool 33 5 125 33 5 127and a rubber mallet.
Installation sequence:
1. Install rear axle final drive with workshop jack and special tool 33 5 200 in rear axle support
2. Insert bolts (1) (do not tighten down)
3. Insert bolt from rear and replace nut (2) (do not tighten down)
4. Release tensioning strap, lower special tool 33 5 200 and move away
5. Tighten down screws (1)
Tightening torque 33 17 1AZ.
6. Tighten nut (2)
Tightening torque 33 17 2AZ.
After installation:
^ Check transmission oil level, correct if necessary.
