Question about 2006 Hyundai Sonata

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I have an oil leak that pools up on the transaxle just under the air filter housing, but can't seem to locate the area the leak started.

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  • sloniello Mar 29, 2012

    No, I don;t see any leaking from the PCV Valve hose that runs to the housing, but I did a thorough engine cleaning and added some dye into the engine oil. I check the engine with a black light every other day and see no signs of leaking. It does pool up either. I'm wondering if it only leaks when it's cold outside because the rubber seals become hard like plastic. I may have to wait until winter and add the dye in once again.??

  • sloniello Mar 29, 2012

    No, I don;t see any leaking from the PCV Valve hose that runs to the housing, but I did a thorough engine cleaning and added some dye into the engine oil. I check the engine with a black light every other day and see no signs of leaking. It does pool up either. I'm wondering if it only leaks when it's cold outside because the rubber seals become hard like plastic. I may have to wait until winter and add the dye in once again.??

  • montehammons Mar 30, 2012

    Glad to hear it's not leaking anymore. My oh my, I wish my car had a disappearing oil leak!
    I wouldn't worry about the dye again until you actually see the oil outside the engine. You know if someone added oil at one time and got a little careless, they may have spilled some where you saw it. Also, did you check the bottom of the air housing for any oil there? Thanks for posting back about your problem.

  • sloniello Mar 30, 2012

    No, I don;t see any leaking from the PCV Valve hose that runs to the housing, but I did a thorough engine cleaning and added some dye into the engine oil. I check the engine with a black light every other day and see no signs of leaking. It does pool up either. I'm wondering if it only leaks when it's cold outside because the rubber seals become hard like plastic. I may have to wait until winter and add the dye in once again.??

  • sloniello Mar 30, 2012

    I did check the bottom of the air housing and no oil was found. Like you said, I'll just hold off until I see a leak again. Thanks and by the way, I didn't mean to respond three times, but for some reason I must have hit the add a comment a few too many times.

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  • Hyundai Master
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Could it be from a PCV valve hose that runs to the housing?

Posted on Feb 17, 2012

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Posted on Jan 02, 2017

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twoduckster
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SOURCE: oil filter leaks around the housing no matter what

Take the oil filter off. check to make sure you don't have 2 gaskets on there. Sometimes the old oil filter gasket sticks. This will cause a leak no matter how hard you tighten. When you remove the filter and hove only one rubber gasket, check it to make sure it was not pinched or scarred. then check the block for anything that might make a gap, or that the metal is not scarred or a crack. I would use a new filter to go back( that's just me). hope this helps

Posted on Jan 04, 2011

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