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97 sts overheating

2K views 3 replies 3 participants last post by  malatu 
#1 ·
my 1997 sts still overheats after i replaced a bad radiator. it will drive for like an hour fine, then when i go up a big hill it suddenly overheats to the point where the computer tells me to shut engine off. what could be going on here?
 
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