Transfer Case Grating Noise. Chevrolet TrailBlazer

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2006 🢒 TrailBlazer - 2WD 🢒 Driveline/Axle 🢒 Transfer Case - NVG 226-NP8 🢒 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 apply plate

Inspect for a broken apply plate. Refer to Transfer Case Disassemble and Transfer Case Assemble in Transfer Case - NVG 226-NP8 Unit Repair.

Faulty clutch pressure plate bearing

•	Inspect for a faulty clutch pressure plate bearing. Refer to Transfer Case Disassemble and Transfer Case Assemble in Transfer Case - NVG 226-NP8 Unit Repair.

•	Condition the transfer case components that are damaged from debris. Refer to Transfer Case Disassemble and Transfer Case Assemble in Transfer Case - NVG 226-NP8 Unit Repair.