GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2008
🢒
Envoy - 2WD
🢒
Transmission/Transaxle
🢒 Transfer Case - NVG 120-NR9
Transmission/Transaxle
All Description and Operation
Transfer Case Description and Operation
All Special Tools and Equipment
Special Tools
All Visual Identification
Transfer Case Disassembled View
Cleaning, Inspection, and Adjustment
Drive Chain, Drive Sprocket, and Driven Sprocket Cleaning and Inspection
Front Output Shaft and Input Shaft Cleaning and Inspection
Front/Rear Drive Differential Carrier Cleaning and Inspection
Oil Pump Cleaning and Inspection
Rear Output Shaft Cleaning and Inspection
Rear Output Shaft Rear Bearing Retainer Cleaning and Inspection
Transfer Case Front Half Cleaning and Inspection
Transfer Case Rear Half Cleaning and Inspection
Diagnostic Procedures
Diagnostic Starting Point - Transfer Case
Symptoms - Transfer Case
Transfer Case Clunk During Acceleration and Deceleration
Transfer Case Growl or Grinding Noise
Transfer Case Leak Diagnosis
Transfer Case Popping Noise
Transfer Case Shudder or Binding
Transfer Case Whine or Rumble Noise
Disassembly, Overhaul, Repair, and Assembly
Front Output Shaft Bearing and Front Input Bearing Replacement
Front Output Shaft Drive Sprocket Bearing Replacement
Front Output Shaft Rear Bearing and Rear Output Shaft Bearing Replacement
Input Shaft Thrust Bearing Replacement
Transfer Case Assemble
Transfer Case Disassemble
Mechanical Specifications
Fastener Tightening Specifications
Other Specifications
Adhesives, Fluids, Lubricants, and Sealers
Approximate Fluid Capacities
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 Speed Sensor Replacement