jnstreen Posted September 3, 2015 Report Share Posted September 3, 2015 I have a 97 Cadillac Seville SLS with the NorthStar engine in it. When we bought it it was overheating bad, We gave it a flush cause the ones that had it before use ran pure water in it for about a year. Then we put the correct radiator cap on it along with the correct thermostat along with the dex cool antifreeze. That pretty much stopped the overheating.... then we started smelling fuel and the FPR was messed up so bad it was sending fuel into the vacuum line that connects to the top of it. So we got another FPR and a new vacuum line. Now it only runs hot on a steep grade we are having white smoke come out of the tailpipes that smells like fuel. When you take the radiator cap off you also smell fuel and the antifreeze leaks down but there is no leaks appearing under the vehicle. Can someone please help I love my Cadi but if it keeps on I am going to have to trade it for something else. Quote Link to comment Share on other sites More sharing options...
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