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Q: i just put in a new radiator,new themestat and a new water pump and it still ove on 1999 Cadillac Seville STS

car still overheat
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Could be a simpler fix like the coolant surge tank and or cap. I replaced the 15psi cap from Napa auto. $6 fix.
Sounds like a blockage exists somewhere in the system possibly the heater core. May need to take to shop so they can check the flow.
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