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SportTrac Discussion
Engine & Drivetrain
2001 no oil pressure when warm.
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<blockquote data-quote="Tiha" data-source="post: 1046326" data-attributes="member: 77725"><p>Anyone ever ran into this?</p><p></p><p>So I found the pressure relief is inside the pump. Under the pickup tube. never paid attention before.</p><p></p><p>The HO pump did have this slug pushed out slightly and it had a plastic pickup tube. I did look close enough to see there was no visible gap. Wouldn't take much of a gap though. I am sure when it warmed up that plastic became more flexible.</p><p></p><p>This last pump has a new pickup tube, but It was plastic and I see on the oreilly's website it is shown as steel.</p><p></p><p>maybe my new rods and mains are creating too much pressure? More than the pickup tube can handle. Opening a gap and allowing air?</p><p></p><p>These melling pumps come with gaskets. the OE pumps where all machine fit. Is that to fix a design flaw? Or to cover up manufacturing defects on their part?</p><p></p><p>Not sure if it will tell me anything but I think my next attempt is to make an oil pump driveshaft and run it off a drill for like 15 minutes and see if my oil pressure drops. If it does it has to pretty much be pump related.</p><p>If it does not, not sure what direction I will go.</p><p></p><p>I hope to watch oil on the dipstick too, maybe it is all getting pumped into the valve covers and not returning fast enough. </p><p></p><p>[MEDIA=youtube]53n5f9FHUtY[/MEDIA]</p></blockquote><p></p>
[QUOTE="Tiha, post: 1046326, member: 77725"] Anyone ever ran into this? So I found the pressure relief is inside the pump. Under the pickup tube. never paid attention before. The HO pump did have this slug pushed out slightly and it had a plastic pickup tube. I did look close enough to see there was no visible gap. Wouldn't take much of a gap though. I am sure when it warmed up that plastic became more flexible. This last pump has a new pickup tube, but It was plastic and I see on the oreilly's website it is shown as steel. maybe my new rods and mains are creating too much pressure? More than the pickup tube can handle. Opening a gap and allowing air? These melling pumps come with gaskets. the OE pumps where all machine fit. Is that to fix a design flaw? Or to cover up manufacturing defects on their part? Not sure if it will tell me anything but I think my next attempt is to make an oil pump driveshaft and run it off a drill for like 15 minutes and see if my oil pressure drops. If it does it has to pretty much be pump related. If it does not, not sure what direction I will go. I hope to watch oil on the dipstick too, maybe it is all getting pumped into the valve covers and not returning fast enough. [MEDIA=youtube]53n5f9FHUtY[/MEDIA] [/QUOTE]
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SportTrac Discussion
Engine & Drivetrain
2001 no oil pressure when warm.
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