Transmission Extension Disassemble for GMC Truck GMC C Sierra - 2WD (CNG) 2006

1. For the C model, using a hammer and a suitable punch, remove the mainshaft seal from the transmission extension.



2. For the C model, remove the mainshaft rear bearing retainer ring.



3. For the C model, using a hammer and a suitable punch, remove the rear bearing. Do not reuse the bearing after removal.