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# 04222004.
Affected Component: ENGINE AND ENGINE COOLING:ENGINE
USING CAUTION WHEN WORKING AROUND THE PURGE VALVE. ANY REPAIRS THAT ARE BEING PERFORMED NEAR THE PURGE VALVE WILL NOW REQUIRE THAT THE PURGE VALVE BE REMOVED FROM THE INTAKE MANIFOLD ASSEMBLY IN ORDER TO PREVENT THE VAPOR NIPPLE FROM BREAKING OFF. GM VOICEMAIL EXPRESS. *TT
