-I've went down the list,basically a process of elimination,ive changed water pump,thermosatat,flushed system, changed hoses,camshaft senser,flushed heater core,changed heater core sending unit,and it still overheats,Then i found a crack in the top of the radiator
1 Answer
Modern radiators develop cracks after 10 to 15 years and need to be replaced. If your coolant is rusty you have a leak in the motor. Whenever people have cooling system problems take it to the shop for a cooling system pressure check.