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Mig66
02-22-2025, 11:27 AM
Hello Fellas, just picked up my first MKIV Roadster with a mild cammed 302(believe it to be out of mid 90’s explorer). I noticed a small oil drip in my garage and upon inspection noticed two oil drain plugs. Now I was always a Chevy guy but secretly loved the Cobras and this is my first time dealing with Ford engines. I noticed drain plugs in the front and rear of the pan which has a recess mid pan which O can only guess was for a cross member for the Explorer, not sure. Any way both drain plugs were dry, no seepage, bit just above the rear drain plug on the drivers side there is an inlet for maybe some kind of sensor. It appears to be threaded in and is weeping oil and the cause of the drip. Do I drop both drain plugs to drain the oil and if anybody can tell me what the third plug/sensor access point is and a solution to stick the seepage? Sorry for the long winded question, I just wanted to accurately describe my issue. Posting a couple pics for reference Thanks!

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Mig66
02-22-2025, 11:31 AM
I meant to say stop the seepage, not stick! Damn autocorrect, y’all know what I mean. Thanks

Jeff Kleiner
02-22-2025, 12:11 PM
I think that's actually a Mustang oil pan but no matter, that large fitting on the side of the pan is the leftovers of the low oil level sensor. Looks like the builder just removed the guts which is most likely the source of the leak. You can pull that out and replace it withh an M20x1.5 metric drain plug. Your local big box parts store like Autozone, Advance, O'Reiley, etc. probably has Dorman products and if so the number is 090-040CD. Yes, to drain the oil you have to remove both the front and rear plugs.

Jeff

Mig66
02-23-2025, 06:53 PM
Thanks a bunch, I'll definitely be replacing that with a plug! I figured it was some sort of inlet for a sensor, the block came out of a mid 90's Explorer is what I was told.