its your headgaskets. get a combustion gas test and test your car if it comes yellow it means it your heads which is what it is. the 97-99 northstars have a high rate of failure because of head gaskets
Could be a collapsed lower radiator hose, perhaps a bad thermostat.
I'm not a mechanic but, I had to replace my radiator to fix the overheating problem on my 1994. That was the last thing I replaced after replacing the water pump, thermostat, and replaced my fan with a clutch fan. have not had anymore problems with it overheating once the radiator was replaced. Flush the coolant first then replace the radiator. Hope this helps.
Is your fan coming on?
Blown head gastet, radiator leaking, thermostat needs to be replaced Blown head gastet, radiator leaking, thermostat needs to be replaced
Inoperative radiator fans, bad water pump, failed headgasket?
IF IT WAS NOT OVERHEATING BEFORE THE HOSE WAS REPLACED -- MORE THAN LIKELY YOU HAVE AIR POCKETS TRAPPED IN YOUR COOLING SYSTEM
Water pump defective.
your thermostat is closed. needs to be replaced. inexpensive part but can save your engine from overheating.
If you have replaced the water pump then flush the radiator with CLR also check to see if the fan is working properly.
Reasons your 1999 Honda Accord is overheating can include a leak in the water hose, a blown head gasket, or the radiator cap needs to be replaced.
I had replaced the water pump and radiator. This had continued to overheat but not as bad. After replacing the head gasket it was finally fixed. I was able to answer my own question only after replacement.
my niece's was overheating I replaced the radiator cap and it hasn't happened since FYI