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On my car, a pipe connects the top of the filter to a fitting low on the block, to the rear of the water pump. A pipe at the bottom of the filter connects to another device attached to the block inside the water pump drive, and there seems to be a tee connection from here to the oil cooler.
Is the connection to the rear of the water pump the source from the oil pump, and is the device near the water pump drive the relief valve?
Randy, yes the fitting that screws into the oil gallery adjacent to the water pump driveshaft is the oil filter bypass regulator in case the oil filter is clogged.
Thanks, Jim. I will have to think about this.
<p style=”text-align: left;”>I understand the filter bypass is internal to the filter. The device near the water pump driveshaft is the oil pressure relief.
I also found the word INLET stamped on the top of the filter element. This orients me as to the flow.</p>
I am considering installing a modern filter so that explains my questions.