Top of engine oil leak Options

[EdwardBlume]

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After the drive home last night, my oil pressure idiot light went on, and I noticed oil on the back window. Opened the engine compartment and there's oil everywhere. Looks like the oil pressure sender on the top of the engine is wet.

Is this my likely problem? What size MM socket does it take?

Thanks,
R
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[Anton]

When the oil sender is still in place and has not lost its center wiring plug, it is unlikely that it is the cause of the problem.

Another option might be that one of the 10 or so little aluminium carter plugs has departed your engine... I did suffer from such a problem when one blew out behind the flywheel (with a new high density oil pump); the engine vomited 3 liters of hot oil on the street within half a minute (IMG:style_emoticons/default/wacko.gif) Let me tell you that it is not good for your reputation (IMG:style_emoticons/default/pain30.gif)

Where the plugs for the oil pressure relief valves are exactly located I don't know; could also be the cause. I think an oil cooler blow-up should produce another kind of mess, i.e., more on the bottom of the car.

Good luck.