GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2001
🢒
Sonoma Pickup - 2WD
🢒
Driveline/Axle
🢒 Transfer Case - NVG 233-NP1 (Two Speed Selectable)
Driveline/Axle
All Component Locator
Transfer Case Control Component Views
All Description and Operation
Transfer Case Description and Operation
All Special Tools and Equipment
Special Tools
All Visual Identification
Transfer Case Control Connector End Views
Diagnostic Procedures
Diagnostic Starting Point - Transfer Case
Diagnostic System Check - Transfer Case
Symptoms - Transfer Case
Transfer Case Mechanical System Diagnosis
Transfer Case Shift Control Switch Indicator Always On - Two or More
Transfer Case Shift Control Switch Indicator Inoperative - One or More
Diagnostic Trouble Codes
Diagnostic Trouble Code (DTC) Clearing
Diagnostic Trouble Code (DTC) Displaying
Diagnostic Trouble Code (DTC) List
DTC 001
DTC 002
DTC 003
DTC 004
Electrical/Electronic Schematic Diagrams
Transfer Case Control Schematics
Mechanical Specifications
Approximate Fluid Capacities
Fastener Tightening Specifications
Removal, Installation, and Replacement
Front Output Shaft Seal Replacement
Input Shaft Seal Replacement
Rear Output Shaft Seal Replacement
Transfer Case Adapter Replacement
Transfer Case Assembly Replacement
Transfer Case Fluid Replacement
Transfer Case Motor/Encoder Replacement
Transfer Case Shield Replacement
Transfer Case Shift Control Module Replacement
Transfer Case Shift Control Switch Replacement
Transfer Case Speed Sensor Replacement
Transfer Case Vacuum Switch Replacement