300E 4MATIC (124.230) L6-3.0L (103.985) (1990)
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Fluid - Transfer Case: Service and Repair
Bleeding Hydraulic System
Bleeding Hydraulic System
The multi-disk clutches in the transfer case and in the rear axle only engage reliably when there is no air in the hydraulic system.
Special Tools
1 Hydraulic system
(vehicles with service valve)
Check hydraulic oil level in oil reservoir.
Service valve in test position (A).
To bleed, start engine and allow to run for approximately 30 seconds at 1000 to 2000 rpm.
After bleeding, move service valve again into operating position (B).
2 Rear axle differential lock (HS)
