Anyone ever have a Rear Main Seal leak on their 3.8? - Hyundai Genesis Forum
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post #1 of 2 Old 01-09-2012 Thread Starter
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Anyone ever have a Rear Main Seal leak on their 3.8?

I just noticed a small puddle of oil in the carport and I'm sure it's ANOTHER leak from my rear main seal. I just had the same seal replaced about 3 months ago and it took a week to get the part. I've looked on the web to see if this is a frequently reported problem on the Genny Coupe but it doesn't seem to be.

Have any of you had a rear main seal leak and if so was the fix permanent? I also read a fouled up PCV system can cause pressure to build in the crankcase and make a leak happpen. I'm wondering if that might be the case since the chances of 2 leaking seals seems pretty low. What do you think?
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post #2 of 2 Old 01-09-2012
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It's pretty easy to see if you have vacuum on the crankcase from the PCV when the car is running. Take the fresh air makeup hose off the pre-tb intake and see if there is a slight vacuum on it when the car is idling. If there is the the PCV is working like it should.

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