I just replaced the water pump, and the radiator core is fairly new, there are no leaks what so ever. I live in Arizona and as it nears summer I need to get the thing to stay cool. BTW i have no thermostat in it now, and can't figure out how to get to it.
also, you may check to see if you need to "burp" your system, seems to always happen to me when I change something in the cooling system, water won't circulate if there is air in the system, take your radiator cap off and start it up, look down into the radiator to see if the level goes down when the thermostat opens up, keep it running until all the hoses and radiator are hot, that way you'll know its circulating.
Make sure the fans are turning on, if not the motor might be gone or else the fan turn-on temperature switch might be toast. Replace the thermostat. They get stuck closed and are extremely cheap and worthwhile
Make shure your radiator fins and air conditioning condenser are not clogged with bugs.
Blast it with water from the engine side. Be careful, don't damage the fins. I like to alternate water and air blasts to clean them.
The older I get, the faster I was!
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