I have had a recurrent oil leak from the rear seal area of the engine. It happened at 10,000 km, 90,000 km, 108,000 km, and now again at 114,00...

Hello and welcome to ExpertHelp.com! My name is Relly De Jesus and I'm going to do everything in my power to answer your question to your full satisfaction!

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Hello Bob

How are you doing? May I ask the exact year and model of your Kia, I'll be standing by for your response.

Thank you

Relly

Is it ok if we continue to the chat because can't make a phone call at the moment Bob... I'll just forward the phone upgrade to the billing department for refund

That'll be great.... is it a manual or matic Bob?

Is the leak coming from the oil pressure sensor again Bob?

Here's what I suspect Bob but still needs to be proven. I am thinking that the oil pressure switch is faulty/broken before installing and they just put a gasket just to prevent the leak. It's just a suspicion which is actually happening in the dealership or any other repair shop. Not unless that there's a crack on the case where the oil pressure switch is attached. Can't see any other reason why it will make a leak again Bob 

The fist time that it happened seems to be reasonable enough Bob. 80,000 kilometers difference is good enough for replacement. If the mileage is a little low for oil pressure replacement then the problem can be on the part itself. Please take note that even brand new parts can be under factory defects

I'm about to ask you if it's the same dealer. I believe it's time to try a different one Bob to resolve the issue. 4 times replacement in the same dealer in 4 years is kinda odd

I can't actually consider it as a common problem because oil pressure switch do fail overtime. Not even a recall on the service bulletins. I suggest that you ask the mechanic to check the body for crack or loose thread where the oil pressure switch is attached. It can be the cause of the leakage Bob

Do you think that there's anything else I can add or help you with Bob? I'll be standing by for your response.

Thank you

Relly

Yes Bob... I forwarded to my superior to have the upgrade refunded. It may not reflect now but rest assured it will.

Dear Bob, It was a pleasure helping you with your KIA issue today. Here is a summary of the resolution.

Issue identified : Oil leak
Solution Implemented : Oil leak coming from the oil pressure switch which was replaced multiple times. Can be a crack on the body where the switch is attached. Thorough inspection will be needed and changing dealer is advised. Solution accepted
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