Transfer Case Popping Noise

WARNING: This page is about a different car, the 2004 Cadillac Escalade EXT, 2004 Cadillac Escalade ESV, and 2004 Cadillac Escalade. 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 - BW 4481-NR3 Unit Repair. Replace the shaft bearings. Refer to Transfer Case Disassemble and Transfer Case Assemble in Transfer Case - BW 4481-NR3 Unit Repair. Inspect for damaged components caused by metal debris. Refer to Transfer Case Disassemble and Transfer Case Assemble in Transfer Case - BW 4481-NR3 Unit Repair.

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 - BW 4481-NR3 Unit Repair.
Replace the shaft bearings. Refer to Transfer Case Disassemble and Transfer Case Assemble in Transfer Case - BW 4481-NR3 Unit Repair.
Inspect for damaged components caused by metal debris. Refer to Transfer Case Disassemble and Transfer Case Assemble in Transfer Case - BW 4481-NR3 Unit Repair.