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Home >> Cadillac >> 2013 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Transfer Case - Mp 3023/3024-NQH) >> Diagnostic Information and Procedures >> Transfer Case Grating Noise

Transfer Case Grating Noise

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Transfer Case Grating Noise

Cause Correction
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
  1. Inspect for a broken clutch apply plate. Refer to Transfer Case Disassemble , and Transfer Case Assemble .
  2. Replace the apply plate and the transfer case components that are damaged from debris. Refer to Transfer Case Disassemble , and Transfer Case Assemble .
Faulty control actuator lever thrust bearings
  1. Inspect for faulty control actuator lever thrust bearings. Refer to Two/Four Wheel Drive Shift Components Cleaning and Inspection .
  2. Recondition the transfer case components that are damaged from debris. Refer to Transfer Case Disassemble , and Transfer Case Assemble .