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Finding oil leak

Old Nov 11, 2025 | 04:38 PM
  #1  
MILESJOHNSSON's Avatar
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Finding oil leak

I've got an oil leak that I'm not able to easily locate. I've used a UV light and oil dye to help. It's coming down around the starter, at the front right of the engine.
Not coming from the upper half of the engine, which means it's not the head gasket or the filler neck.
Not coming from the oil pan gasket or bolts.
Not coming from the oil filter cap.
I have to add a quart about every 2 months. It's not a huge leak and I've always got new oil in the mix, but I'm getting tired of cleaning up the driveway spots.
To get under the engine, I only have ramps, and I'm not pulling off the front end for a better view. I'm just wondering if anybody knows of a specific spot in that area that would be a likely source.

Last edited by MILESJOHNSSON; Nov 11, 2025 at 08:08 PM. Reason: Photo link in middle of text, and for clarity
Old Nov 11, 2025 | 05:04 PM
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….where filler neck goes into valve cover? Valve cover gasket? Rear main seal?
Old Nov 11, 2025 | 05:15 PM
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It is not coming from the top or the rear of the engine.
Old Nov 11, 2025 | 05:23 PM
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Oil pressure sending unit ?
It’s just above the starter.
Old Nov 11, 2025 | 08:06 PM
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Originally Posted by firemangeorge
Oil pressure sending unit ?
It’s just above the starter.
Ooh, that's the area, I'll check it when it's light out and give an update. Thanks for the suggestion, I didn't even know that was there.
Old Nov 12, 2025 | 06:32 AM
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Just in case

https://www.chevyhhr.net/forums/how-...ng-unit-57962/
Old Nov 13, 2025 | 08:13 PM
  #7  
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Originally Posted by Oldblue
Excellent, thanks! Now I know it's going to take a minute to deal with, if that's the source (still waiting for a free, dry day).
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