DEFINITION: A faulty internal transfer case component that causes a grating noise in the transfer case while in the AWD, 4HI, or 4LO mode.
Review the Symptoms - Transfer Case and perform the necessary inspections. |
| Broken clutch apply plate |
- Inspect for a broken clutch apply plate. Refer to Transfer Case Disassemble (Light Duty)Transfer Case Disassemble (Heavy Duty)
, and Transfer Case Assemble (Light Duty)Transfer Case Assemble (Heavy Duty)
.
- Replace the apply plate and the transfer case components that are damaged from debris. Refer to Transfer Case Disassemble (Light Duty)Transfer Case Disassemble (Heavy Duty)
, and Transfer Case Assemble (Light Duty)Transfer Case Assemble (Heavy Duty)
.
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| Faulty control actuator lever thrust bearings |
- Inspect for faulty control actuator lever thrust bearings. Refer to Two/Four Wheel Drive Shift Components Cleaning and Inspection
.
- Recondition the transfer case components that are damaged from debris. Refer to Transfer Case Disassemble (Light Duty)Transfer Case Disassemble (Heavy Duty)
, and Transfer Case Assemble (Light Duty)Transfer Case Assemble (Heavy Duty)
.
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