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## 28 Transfer Case (4MATIC)

> Service Information

- 28/8 - Models 124.230/290 Exchange 4-MATIC transfer case VG30
- DTC - 4MATIC Diagnostic Trouble Codes
- ETP - 4MATIC Electronic Test Program

  Misc

- ASD, ASR, 4MATIC - Driving Dynamic Systems: ASD, ASR and 4MATIC
- Connections - 4MATIC Diagnostic Equipment Connections
- Designations - 4MATIC On-Board Diagnostic Connector Terminal Designations
- Schematic - 4MATIC Schematics
- HydCodes - 4MATIC Hydraulic Codes
- Mods - 4MATIC 1990 - 1992 Modifications
- Article - 4MATIC Unobtrusive Auto Drive

> Transfer Case

- BA28.00-Z-9999AZ - Tightening torques: Passenger cars: Transfer case
- BE28.00-Z-9999AZ - Test and adjustment values: Passenger cars: Transfer case
- BF28.00-Z-9999AZ - Capacities: Passenger cars: Transfer case
- BT28.00-Z-9999AZ - Technical modifications: Passenger cars: Transfer case
- 28-010 - 4MATIC General
- 28-020 - 4MATIC Overall Function
- 28-030 - Electronics Component Location
- 28-040 - Hydraulics Component Location
- 28-050 - Mechanical Component Location
- 28-200 - Removal and installation of transfer case
- 28-300 - Dismantling and assembling transfer case
- 28-301 - Repairing multi-disk stack of center differential lock (ZS)
- 28-302 - Repairing outer multi-disk carrier of front axle drive train (AV)
- 28-303 - Testing front axle drive train (AV) and center differential lock (ZS) pistons for leaks

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