Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Cadillac for this TSB. Call your local Cadillac dealer's service department & ask for a copy of TSB# 040730044.
DRIVELINE CLUNK NOISE ON LIGHT ACCELERATION (TIP IN) AND/OR DECELERATION (TIP OUT) MOST NOTICEABLE AT LOWER SPEEDS AND/OR FROM DOWN SHIFT WHEN COMING TO A STOP. *TT