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# 030504.
SOME VEHICLES ARE MISSING A RETAINER THAT HOLDS THE BRAKE BOOSTER PUSH ROD AND THE BRAKE PEDAL TOGETHER WHICH COULD RESULT IN LOSS OF FOUNDATION BRAKES. DEALERS ARE TO INSPECT FOR THE PRESENCE OF THE BRAKE SWITCH RETAINER AND INSTALL A NEW RETAINER IF IT IS MISSING. *TT
