Procedures

27 00 ... Replenishing / changing transfer case oil (ATC 300)







IMPORTANT:
Use only the approved gear oil in the transfer case.
Failure to comply with this requirement will result in serious damage to the transfer case.

NOTE: Only change the oil when the transfer case is at normal operating temperature.







Necessary preliminary tasks:
- Remove underbody protection
- If necessary, remove exhaust system
- Remove heat shield







Checking/correcting transfer case oil level:
Undo oil filler plug (1).
Check transfer case oil level.
If necessary, pour in gear oil up to lower edge of opening for oil filler plug (1).

Installation:
Tightening torque, 27 00 11AZ.

Replace sealing ring.







Changing transfer case oil:
Place oil collecting apparatus underneath.
Remove oil drain plug (1).
Drain and dispose of gear oil.

NOTE: Observe country-specific waste-disposal regulations

Replace sealing ring, screw in oil drain plug (1) and tighten down.
Tightening torque, 27 00 11AZ.







Undo oil filler plug (1).
Pour in gear oil up to lower edge of opening for oil filler plug (1).
Tightening torque, 27 00 11AZ.
Replace sealing ring.

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