Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Chevrolet for this TSB. Call your local Chevrolet dealer's service department & ask for a copy of TSB# PIP-4647A.
Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION
GMC/CHEVROLET/SAAB/HUMMER: BIND/TIE-UP IN FOURTH GEAR, NO SECOND OR FOURTH GEARS, OVERRUN CLUTCH DISTRESS. DURING DISASSEMBLY OF THE TRANSMISSION TECHNICIANS MAY FIND THAT THE 2-4 BAND (ITEM 602 IN SI DOCUMENT 1553208) AND THE OVERRUN CLUTCH (645) ARE BOTH DISTRESSED WHILE NO OTHER CLUTCHES ARE DAMAGED. *PE
