TSB Document:

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

You can still get the detailed info from GMC for this TSB. Call your local GMC dealer's service department & ask for a copy of TSB# 3243.

Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION

Summary

LEAK FROM THE VENT 4L80E/4L85E TRANSMISSION. *EH

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