Hello all

I have a 76 300d w115 with and my issue is that i have oil basically bursting out of the seals in my oil filter housing and or through the bypass hole once the engine builds oil pressure.

I cant figure why it is doing this. The filter is installed correctly as per the Mercedes technical article on oil changes for the w115 om617.

When i look up into the receiver area for the oil filter housing i see one hole towards the front of the engine, one large one near the center and one towards the rear with a plastic looking thing with three little spikes on it clogging the hole. could this be the issue?*

Any ideas and pointers are appreciated. Thanks in advanced.

*(After looking a diagrams it appear that the plastic piece in the hole is on the feeding side of the filter. I need to find out what is causing the build up after or before the filter).

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1976 w115 300D

I know of no plastic spike thing in the filter housing , sounds like the top off an oil quart

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Ron
2015 Porsche Cayman - Elizabeth
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Sadly MERCEDESLESS - ALways LOOKING !
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did you figure it out yet?

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1976 240D
1976 240D parts car
1970 220D daily driver