Oil Pump Pick up tube hits pan - JeepForum.com
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post #1 of 6 Old 09-19-2020, 06:20 AM Thread Starter
Boughtayj
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Oil Pump Pick up tube hits pan

Replaced the oil pump in a 1995 4.0 YJ with a High flow Mahle.

New pick up tube hits the oil pan, so I installed the old pick up tube on the new pump which also hits the oil pan.

Bent tubes a little this way and that to no avail.

Am I missing something here?

Thanks for any input.

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post #2 of 6 Old 09-19-2020, 08:04 AM
jtec
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No problem with old pump - pick up tube from old pump no help - jeopardy music- the pump is the problem.

Why did you go hi flow AKA hi volume?
Often the taller gears make pump body taller.

When I see the price of OEM I think aftermarket.
When I see the quality of aftermarket I think OEM.
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post #3 of 6 Old 09-19-2020, 03:23 PM Thread Starter
Boughtayj
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Oh, questionable low oil pressure. Lots of things to straighten out on this Jeep before I dump a ton of money into it. I was going to be by the oil pan anyway to change out the freeze plug behind the flywheel.... might as well replace the leaking rear main seal... as long as I’m in the pan maybe a high volume pump wouldn’t hurt to throw in. One’s logic makes sense to oneself sometimes.
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post #4 of 6 Old 09-19-2020, 03:49 PM
mukluk
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If a stock oil pump can't keep the pressure in spec, then your bearings are shot. A high flow pump is a band aid fix at best if this is the case.
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post #5 of 6 Old 09-20-2020, 01:39 PM Thread Starter
Boughtayj
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Yep

Yep, the band-aid is exactly what I am looking for in this situation while I sort out what works and does not work on this jeep. I towed it out of a field after it sat non-running since 2017.
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post #6 of 6 Old 09-20-2020, 01:57 PM
jtec
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4.0L jeep oil pressure spec is surprisingly LOW compared to modern engines, IIRC 13psi at idle is OK. And you want to check with a mechanical gauge. I am hoping that helps with the oil pressure concern. I'm thinking positive.

MAybe just maybe the pump manufacturer has a suggestion -
A deeper oil pan, pick up tube part #s.

When I see the price of OEM I think aftermarket.
When I see the quality of aftermarket I think OEM.
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