Question about 2006 Hyundai Sonata

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2006 hyundai sonata oil filter leak

I have replaced gasket o-ring on cap twice. Car will not leak for short period of time and then leak re-occurs. Is this a trademark of this model. Problem started when grease monkey oil change business
changed oil for $21.95. They supposedly didn't replace o-ring on filter cap. Now it leaks whenever it feels like it, even with napa's gasket kit.
I also continually have to change bulbs on brake lights. They last a couple of months, then go out, either side is not particular. I am using napa's heavy duty replacement bulbs,they still burn out with their higher amp suggestion.

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  • afig07 Jan 16, 2009

    my brand new 2008 Santa Fe with 6800 miles has a leak from the oil filter. i thought it could be an old gasket from the first filter but it just started leaking yesterday after almost 2500 miles. i changed the oil myself and all was well until now. Do i bring it in under warranty or are they gonna say that it was my fault? And what could the leak be caused from.

  • ejsuda Feb 19, 2009

    I have the same exact problems. My oil appears to be leaking from around my oil filter or somewhere around there. I'm not convinced that is where it is coming from though. Then periodically all my brake lights will go out. Including the high mounted one inside the cabin. 2006 Hyundai Sonata. ~50K miles. Let me know if you've had any luck with the dealer or such, since I only have about 10K left on my warranty

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I finally figured this out. I was putting the o-ring on incorrectly. I actually had two o-rings installed.
The o-ring should not be visible when it is tightened down. The plastic should be touching the metal housing. The o-ring sits inside the housing, right above the threads, but not at the top. Two pictures attached.2006 hyundai sonata oil filter leak - _388.jpg
_389.jpg

Posted on Jan 01, 2011

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I had a service company change oil on my 2006 Sonata, V6.. The second oil change was done by an inexperienced worker. After a day, I saw oil residue on the ground and the engine. I discovered that the cap holding the filter was not sufficiently tightened. It needs to be more than hand tight for the average person, even with the O rings properly in place.
I have not experience the brake light issue you describe.

Posted on Dec 20, 2008

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Same problem, 2500 miles on SantaFe 2009 oil leaking third filter. Looks like we may have recall. I used different filters, and if I tighten any more I will crack the cap. I will bring back to the dealer next week.

Posted on Feb 18, 2010

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