Need help oil pressure issue 2015 3.6

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Skrat91101

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So I have a 2015 tradesman that I got a good deal on but the guy said oil pump went out so figured I’d change the oil pump and see what it would do but I changed the pump and oil cooler but I’m still getting oil light after a few minutes of it running sounds good until the light comes on then it will start to chatter so I figure it’s actually hurt internally but didn’t know if there’s is something I’m missing
 

SitKneelBend

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So I have a 2015 tradesman that I got a good deal on but the guy said oil pump went out so figured I’d change the oil pump and see what it would do but I changed the pump and oil cooler but I’m still getting oil light after a few minutes of it running sounds good until the light comes on then it will start to chatter so I figure it’s actually hurt internally but didn’t know if there’s is something I’m missing
I think I've heard that incorrectly installing the oil filter in the housing can cause a pressure issue. Have you checked it and/or ensured it's the correct filter? There is an earlier version of the oil filter that's incompatible with later 3.6 engines (but it fits).
 

jws123

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So I have a 2015 tradesman that I got a good deal on but the guy said oil pump went out so figured I’d change the oil pump and see what it would do but I changed the pump and oil cooler but I’m still getting oil light after a few minutes of it running sounds good until the light comes on then it will start to chatter so I figure it’s actually hurt internally but didn’t know if there’s is something I’m missing
when ya replaced the pump was the pickup tube clogged at all? also is the engine sludged up alot?
 
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Skrat91101

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So the filter is the one that came with the cooler and the pick up tube didn’t look too bad but there was a good bit of sludge in the pan cleaned it out good and that’s another reason I changed the cooler thinking it might be clogged up or something
 
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Skrat91101

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So another question I’ve thought about is the timing chain tensioner if one broke would that cause any issues with the oil pressure
 
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