Head gasket on 1997 Chrysler LHS

My car was overheating.Replaced thermostat,housing,sending unit,vacumn.fan relay and bleed it.Still overheats.How do I know if its the head gasket(Has an automatic shut down when hot)

Asked by for the 1997 Chrysler LHS
need ot remove plugs and put shop air into cylinder with piston at bottom dead center to see if coolant comes out the radiator.

Roy