Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Chevrolet for this TSB. Call your local Chevrolet dealer's service department & ask for a copy of TSB# G-189691 .
14122 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO ADD 60 ML (2.0 OZ) OF POLYOLESTER (POE) REFRIGERANT OIL TO THE A/C COMPRESSOR ON CERTAIN VEHICLES. THESE VEHICLES WERE SHIPPED WITH LESS POE REFRIGERANT OIL IN THE A/C COMPRESSOR THAN SPECIFIED FOR LONG-TERM DURABILITY. THERE IS NO SHORT-TERM EFFECT; HOWEVER IF OPERATED LONG-TERM WITH LESS THAN THE SPECIFIED POE OIL LEVEL, THE COMPRESSOR MAY EXPERIENCE ACCELERATED WEAR AND PREMATURE FAILURE.
