Radiator does not come on when needed and engine may overheat. Performed workshop manual test by replacing thermostat by 100Ω resistor, in which case fan does come on, so fans are ok.

What's the worst time to find out you need a new radiator? When you're on the road with your Mopar in mid summer, and your old, corroded OEM radiator erupts a long way from home. When's the best time ...

Engine temperatures climb fast whenever you drive, idle in traffic, or run the air conditioning, and your cooling fan quietly ...