Transfer Case Grating Noise. Chevrolet Astro

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2003 🢒 Astro - 4WD 🢒 Driveline/Axle 🢒 Transfer Case - NVG 136-NP4 🢒 Transfer Case Grating Noise

Cause

Correction

DEFINITION: A faulty internal transfer case component that causes a noise in the transfer case.

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 136-NP4 Unit Repair.

Faulty clutch apply plate bearing

•	Inspect for a faulty clutch apply plate bearing. Refer to Transfer Case Disassemble and Transfer Case Assemble in Transfer Case - NVG 136-NP4 Unit Repair.

•	Recondition the transfer case components that are damaged from debris. Refer to Transfer Case Disassemble and Transfer Case Assemble in Transfer Case - NVG 136-NP4 Unit Repair.