Removing and Installing Transfer Case (ATC 300)

27 10 010 - Removing and installing transfer case (ATC 300)





Special tools required:
- 00 2 030 00 2 030 Universal Hydro-Lifter Basic Unit
- 23 4 050 23 4 050 Universal Transmission Bracket





Important!
After replacement, the "Repair" service function must be carried out with GT1.





Important!
After completing work, check gear oil level and top up if necessary.

Filler plug (1):

Tightening torque 27 00 11AZ [1][2]Mechanical Specifications.

Gear oil level up to filler edge of filler plug (1).

Use only the approved transmission fluid.

Failure to comply with this requirement will result in serious damage to the transfer box!





Necessary preliminary tasks:
- Remove underbody protection
- Remove center muffler (N53 only)
- Remove complete exhaust system
- Remove heat shields





Release screws.

Tightening torque 26 11 9AZ Propeller Shaft Complete.

Remove front propeller shaft at output flange of transfer case and tie to one side.

Installation Note:
Replace screws.





- Remove propeller shaft from transmission.
- Release center bearing.
- Tie propeller shaft to one side.
Tasks are described in Removing propeller shaft Removing and Installing Complete Propeller Shaft (Constant-Velocity Joint).





Note:
Support transmission with special tools 00 2 030 00 2 030 Universal Hydro-Lifter Basic Unit/ 23 4 050 23 4 050 Universal Transmission Bracket.





If necessary

Release bolts and remove metal plate (1).





Disconnect plugs (1) and (2) from servomotor.





Release screws.

Remove transmission cross-member.

Tightening torque 27 00 10AZ [1][2]Mechanical Specifications.





Release screw connection of transfer case.

Tightening torque 27 00 9AZ [1][2]Mechanical Specifications.

Remove transfer case.





Installation Note:
Pay attention to dowel pin (1).

Grease dowel pin (1).

Apply a thin coat of grease to splines.

Grease: WEICON ANTI-SEIZE.