Symptoms

Important: Review the Transfer Case Description and Operation in order to familiarize yourself with the system functions.

Visual/Physical Inspection
^ Inspect for aftermarket devices which could affect the operation of the system.
^ Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
^ Inspect all related ground points for being clean and tight.

Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions.

Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
^ Transfer Case Mechanical System Diagnosis. Component Tests and General Diagnostics
^ Four-Wheel Drive Does Not Disengage. Four-Wheel Drive Does Not Disengage
^ Four-Wheel Drive Does Not Engage. Four-Wheel Drive Does Not Engage
^ Transfer Case Difficult to Shift, or Will Not Shift into Desired Range. Transfer Case Difficult to Shift / No Shift Into Desired Range
^ Transfer Case Grinds, or Jumps Out of 4H or 4L. Transfer Case Grinds, or Jumps Out of 4H or 4L
^ 4WD Indicator Always On. 4WD Indicator Always on
^ 4WD Indicator Inoperative. 4WD Indicator Inoperative