Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION

Date Published
MAY 01, 2008
NHTSA TSB #
10025670
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# 08-07-30-023.

Summary
4L60-E/4L65-E/4L70-E AUTOMATIC TRANSMISSION FLUID LEAK FROM OIL PUMP OR BELL HOUSING AREA (REPLACE TORQUE CONVERTER HUB-TO-OIL PUMP SEAL ASSEMBLY). ATTN: THIS BULLETIN APPLIES TO VEHICLES BUILT PRIOR TO DECEMBER 2007. *PE