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First off Merry Christmas all.

My car seems to have developed a slight oil leak. After taking the undertray off it seems to be coming from the front right (drivers side) of the engine. It's looks like it weeping from around a bolt near the aux belt. (I know oil can travel quite far but after a thorough clean, this seeems to be where it's originating).

Attached are some pics. The red circle seems to be where it's coming from. The red arrow is the general direction I took the other photos for reference.

Anyone got any ideas or experience of what is causing it & more importantly how to fix it.

The bolt isn't easily accessible to nip up if its worked it's way loose?

Thanks in advance

Hello,

I also noticed some oil seepage in a similar location recently. After cleaning and organizing, the correct location of the oil seepage is marked with a red circle in the attached image:
Later, I replaced the O-ring of this oil pipe fitting and tightened the screw again. Currently, I am still observing, but if your situation is similar, I recommend not only replacing the O-ring but also using new screws. Some screws, especially those in critical engine areas, may lose strength after repeated use and cannot match the strength of new ones, and some can only be used once (not reusable). Please consider this for reference.

Thank you.

Thanks for the input.

I had a good look around them oil cooler pipes - I didn't think it was coming from there but I'm aware it's quite common.

It had new pipes, seals etc about 2yrs ago. I'm not sure the screws were nee so you might be on to something.

I'll have to have another look.