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Home >> Chevrolet >> 2022 >> Tahoe PPV, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Transfer Case - Mp 3015 (NP0)) >> Diagnostic Information and Procedures >> Transfer Case Grating Noise

Transfer Case Grating Noise

WARNING: This page is about a different variant/trim than selected.
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. Transfer Case Disassemble , and Transfer Case Assemble 
  2. Replace the apply plate and the transfer case components that are damaged from debris. Transfer Case Disassemble , and Transfer Case Assemble 
Faulty control actuator lever thrust bearings
  1. Inspect for faulty control actuator lever thrust bearings. Two/Four Wheel Drive Shift Components Cleaning and Inspection 
  2. Recondition the transfer case components that are damaged from debris. Transfer Case Disassemble , and Transfer Case Assemble