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4g18 burning oil urgent help needed

Mitsu Lancer, Evo, GSR, MIVEC, 4G**, GDI, Galant, Outlander, L200 Sportero/Triton etc.

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4g18 burning oil urgent help needed

Postby soundboi86 » December 21st, 2019, 8:26 pm

Good day tuners im having some concerns with my 4g18. I have had to replace my valve seals due to number 1 cylinder leaking. I bought the original head kit and had it installed. One week later after installation my car didnt want to start. I removed the 4 spark plugs and realized that it was soaked with oil. I had the head removed and found all the intake valve seals leaking. I bought another kit had it installed with professional help and the same thing happened again. I would like some suggestions as to what can cause the valve seals to keep leaking. I know for sure that it cant be the valves cause it fitting snug on the seals.

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Trinituner Peong
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Re: 4g18 burning oil urgent help needed

Postby pjfred » December 22nd, 2019, 7:28 am

Sounds like something is swelling those seals, are any other seals leaking? Front or back seal?

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Street 2NR
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Re: 4g18 burning oil urgent help needed

Postby nicholasfabulous » January 21st, 2020, 10:34 pm

Use grey silicone to stick both mating side of the plug seal and that should fix your problem

King Lee
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Re: 4g18 burning oil urgent help needed

Postby King Lee » May 30th, 2020, 9:07 pm

Hey where do you get rebuild kits for these engines? Looking for one for a 4g15 dohc


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