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# 031100.
Affected Component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
SOME VEHICLES MAY EXHIBIT AN ENGINE TICK NOISE SIMILAR TO THAT EXPERIENCED WITH THE L34 2.0 LITER FOUR-CYLINDER ENGINE WHEN AIR IS INGESTED INTO HYDRAULIC VALVE LIFTERS. *TT
