GM Service Manual Online
For 1990-2009 cars only

Transfer Case Difficult to Shift, or Will Not Shift into Desired Range for Chevrolet Tracker - 4WD 2003

Checks

Cause

Transfer Case Oil Level

Insufficient or improper lubricant

Reduction Shift Shaft

Binding in center or rear case

Front Drive Shift Shaft

Binding in center or rear case

Front Drive-Shift Fork Spring, C-clip or Shaft Stop Washer

Weakness, distortion or mispositioned