Stann90 Posted February 3, 2016 Share Posted February 3, 2016 I have a 95 es300 . Bought it with 110k now it has 340k on it . It's burning and leaking oil from the valve covers and probably from the front or rear main seal , cuz it has spots under it when I move it . I'm gonna replace the valve cover gasket but not confident on replacing the main seals on the v6 I've done timing jobs and seals on Hondas but never on Lexus . Also I'm using full synthetic mobile 1 I forgot what I put in 10-30 or 5-30. My question is what's the outcome of using sea foam on a high mile car like mine ? Quote Link to comment Share on other sites More sharing options...
13IS250C Posted February 3, 2016 Share Posted February 3, 2016 Hi and welcome to LOC! The only thing I can say about SeaFoam is that I used to work for an automotive warehouse and I sold pallets of the stuff. It must be good. Quote Link to comment Share on other sites More sharing options...
Stann90 Posted February 3, 2016 Author Share Posted February 3, 2016 Thank you:) And i landed on this forum by googling seafoam es300 and it showed a post in here some guy said high miles lexus ruined his piston rings and blue smoke was coming out of his exhaust etc, just wanted to see what others have to say Quote Link to comment Share on other sites More sharing options...
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