Been chasing a cooling system issue. Driving, temps are great, at idle, in heat, it creeps past 200. I have bled the system 3x. I get this weird feeling it’s the denso radiator I installed 3 months ago. Prior to the denso, my CSF radiator had no issues cooling, just let coolant weep past the lower outlet due a manufacture issue. I replaced it with a denso.
I did do a timing belt with a new AISIN fan clutch and pulley, aisin water pump, new Toyota thermostat. I pulled the thermostat to ensure the jiggle was installed correctly at 12 o’clock and it was. No visible leaks.
Bit the bullet and ordered a OEM radiator with the foam and a new radiator cap. I don’t want risk blowing a head gasket