TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Hummer for this TSB. Call your local Hummer dealer's service department & ask for a copy of TSB# PIP-4647A.

Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION

Summary

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

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