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# 050730018.

Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION

Summary

1-2, 2-3, 3-4, 4-5 SHIFT AND TORQUE CONVERTER CLUTCH (TCC) CHARACTERISTICS DURING COLD WEATHER OPERATION ON 4L60-E, 4L80-E OR ALLISON TRANSMISSIONS. 2005-2006 BUICK, CADILLAC, CHEVROLET AND GMC LIGHT DUTY TRUCKS. *TT

Click a tab for more information.