Transfer Case - BW 4493/4494

• Specifications
  • Approximate Fluid Capacities
  • Fastener Tightening Specifications
  • Sealers, Adhesives and Lubricants
• Schematic and Routing Diagrams
  • Transfer Case Control Schematics
• Component Locator
  • Transfer Case Control Component Views
  • Transfer Case Control Connector End Views
    • Transfer Case Encoder Motor
    • Transfer Case Shift Control Module C1
    • Transfer Case Shift Control Module C2
    • Transfer Case Shift Control Module C3
  • Transfer Case Disassembled View
• Diagnostic Information and Procedures
  • Diagnostic Code Index
  • Diagnostic Starting Point - Transfer Case
  • Scan Tool Output Controls
  • Scan Tool Data List
  • Scan Tool Data Definitions
  • Diagnostic Trouble Code (DTC) List
  • DTC B0790
    • Circuit Description
    • DTC Descriptor
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Test Description
  • DTC B2725
    • Circuit Description
    • DTC Descriptor
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Test Description
  • DTC C0306
    • Circuit Description
    • DTC Descriptor
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Test Description
  • DTC C0327
    • Circuit Description
    • DTC Descriptor
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Test Description
  • DTC C0329
    • Circuit Description
    • DTC Descriptor
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Test Description
  • DTC C0359
    • Circuit Description
    • DTC Descriptor
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Test Description
  • DTC C0550
    • Circuit Description
    • DTC Descriptor
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Test Description
  • Symptoms - Transfer Case
    • Notes
    • Visual/Physical Inspection
    • Intermittent
    • Symptom List
  • Transfer Case Shift Control Switch Inoperative
    • Circuit Description
    • Test Description
  • Transfer Case Shift Control Switch Indicator Always On - Two or More
    • Circuit Description
    • Test Description
  • Transfer Case Shift Control Switch Indicator Flashes, then Returns to Previous Mode
    • Circuit Description
    • Test Description
  • Transfer Case Shift Control Switch Indicator Inoperative - One or More
    • Circuit Description
    • Test Description
  • Service Indicator Always On
    • Circuit Description
    • Test Description
  • Service Indicator Inoperative
    • Circuit Description
    • Test Description
  • Transfer Case Popping Noise
  • Transfer Case Whine or Rumble Noise
  • Transfer Case Growl or Grinding Noise
  • Transfer Case Clunk in 4HI Lock
  • Transfer Case Clunk in 4LO Lock
  • Transfer Case Clunk during Acceleration and Deceleration
  • Transfer Case Shudder or Binding
  • Transfer Case Will Not Shift
  • Transfer Case Jumps Out of Gear
  • Transfer Case Leak Diagnosis
• Repair Instructions - On Vehicle
  • Transfer Case Shift Control Module Replacement
  • Transfer Case Shield Replacement
  • Transfer Case Fluid Replacement
  • Transfer Case Motor/Encoder Replacement
  • Transfer Case Speed Sensor Replacement
  • Transfer Case Output Shaft Seal Replacement - Front
  • Transfer Case Output Shaft Seal Replacement - Rear
  • Transfer Case Assembly Replacement
  • Transfer Case Input Shaft Seal Replacement
  • Transfer Case Adapter Replacement
  • Transfer Case Shift Control Switch Replacement
• Repair Instructions - Off Vehicle
  • Transfer Case Disassemble
    • Tools Required
    • Disassembly Procedure
  • Cleaning and Inspection
    • Front Case Half
    • Rear Case Half
    • Center Bearing Support
    • Oil Pump
    • High/Low Range Components
    • Differential Components
    • Drive Chain and Sprockets
    • Mainshaft
    • Front Output Shaft
    • Rear Output Shaft
    • Shift System Components
  • Transfer Case Assemble
    • Tools Required
    • Assembly Procedure
• Description and Operation
  • Transfer Case Description and Operation
    • Notes
    • Transfer Case Shift Control Switch
    • 4HI Mode Power Flow
    • 4HI Lock Mode Power Flow
    • 4LO Lock Mode Power Flow
    • NEUTRAL Mode Power Flow
    • Transfer Case Electrical Components
    • Service 4WD Message
    • Transfer Case Encoder
    • Transfer Case Encoder Motor
    • Transfer Case Shift Control Module
• Special Tools and Equipment
  • Special Tools