'09 CTS DI FE1 Luxury
Just curious about what operating coolant temps other 3.6 owners are seeing. I drove around today (50F ambient) with Torque Pro monitoring my coolant temp and it held pretty steady at 194F. The warm range was 190-200 and the fan doesn't turn on until ~215F. I'd much prefer to see it running 180-190. The oem t-stat is 180F so perhaps I need a new one? Has anyone replaced the t-stat? It looks like a bit of a PITA.