Transfer Case Popping Noise

WARNING: This page is about a different car, the 2005 GMC Yukon XL, 2005 GMC Yukon, 2005 Chevrolet Tahoe, 2005 Chevrolet Suburban, and 2005 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Cause	Correction
DEFINITION: A faulty internal transfer case component that causes a popping noise in the transfer case. Review the Symptoms - Transfer Case and perform the necessary inspections.
Chain jump	Replace the chain and sprockets. Refer to TRANSFER CASE DISASSEMBLE and TRANSFER CASE ASSEMBLE in TRANSFER CASE - OVERHAUL - NVG 246-NP8. Replace the shaft bearings. Refer to TRANSFER CASE DISASSEMBLE and TRANSFER CASE ASSEMBLE in TRANSFER CASE - OVERHAUL - NVG 246-NP8. Inspect for damaged components caused by metal debris. Refer to CLEANING AND INSPECTION TRANSFER CASE - OVERHAUL - NVG 246-NP8.

Cause

Correction

DEFINITION: A faulty internal transfer case component that causes a popping noise in the transfer case.
Review the Symptoms - Transfer Case and perform the necessary inspections.

Chain jump

Replace the chain and sprockets. Refer to TRANSFER CASE DISASSEMBLE and TRANSFER CASE ASSEMBLE in TRANSFER CASE - OVERHAUL - NVG 246-NP8.
Replace the shaft bearings. Refer to TRANSFER CASE DISASSEMBLE and TRANSFER CASE ASSEMBLE in TRANSFER CASE - OVERHAUL - NVG 246-NP8.
Inspect for damaged components caused by metal debris. Refer to CLEANING AND INSPECTION TRANSFER CASE - OVERHAUL - NVG 246-NP8.