Install the NEW secondary air injection-(SAI)check valve gasket-(1).Install the SAI check valve-(2).
Caution:Refer toFastener Caution.
Install the SAI check valve bolts-(3) and tightento25-Y(18-lb-ft).GM Oil Life System Resetting
When the system has calculated that oil life has beendiminished, it will indicate that an oil change is necessary. ACHANGE ENGINE OIL light will come on. Change the engine oil as soonas possible within the next 1-000-km(600-miles). It is possible that, if driving under thebest conditions, the oil li ...