Transfer Case Shudder or Binding. GMC Truck Jimmy

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2003 🢒 Jimmy - 4WD 🢒 Driveline/Axle 🢒 Transfer Case - NVG 236-NP8 🢒 Transfer Case Shudder or Binding

Cause	Correction
DEFINITION: When in AWD mode, a shudder is felt during acceleration or a crow-hop or binding while turning, which may cause tire scuffing. Review the Symptoms - Transfer Case and perform the necessary inspections.
Oil breakdown or contamination	Flush the transfer case and fill with the correct fluid. Refer to Transfer Case Fluid Replacement .
Incorrect transfer case fluid	Flush the transfer case and fill with the correct fluid. The active transfer case uses a blue fluid. Refer to Transfer Case Fluid Replacement .
Burrs on the clutch hub slots	Inspect the clutch disc tab slots in the clutch hub for burrs or notches. Refer to Transfer Case Cleaning and Inspection in Transfer Case - NVG 236-NP8 Unit Repair. De-burr the hub slots. If the hub slots are excessively notched, replace the clutch hub. Refer to Transfer Case Disassemble and Transfer Case Assemble in Transfer Case - NVG 236-NP8 Unit Repair.