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jambon
@NurseHolliday
When you replace the rad, it's worth replacing all the hoses too, black silicon is a good option.
You don't have to do all of them, but the ones that are important are the heater hoses, the Cam Angle Sensor seal (CAS o ring) perishes over time and results in oil weeping onto the heater hoses and eventually causing a failure which gushes your coolant all over the engine causing huge clouds of steam, which is what happened to me.
If your CAS o ring isn't weeping now, it will at some point. The inevitable failure of your heater hoses can be prevented by upgrading those hoses to silicon if not the remaining. You can check, yours might have been done already if the previous owner was aware of this issue.