oil pressure - Page 3 - JeepForum.com

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post #31 of 34 Old 07-10-2013, 10:40 PM
BIGBADWOLF
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Originally Posted by brettgorringe View Post
I don't have a manual. Shouldn't I put like some Lucius high milage oil or something in it if I want the engine to run real smooth and good and longer. I mean if you say not to use some pos filter then I shouldn't use just some oil that's just the number thing the Manuel says. Maybe a fully senthetic?
For your climate 15-40 and the 4.0 go together like peas and carrots!

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post #32 of 34 Old 07-10-2013, 11:26 PM
xjdantheman
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i used quaker state defy 10-30 with good results level never seemed to run down. rotella 15W-40 seems to burn up quicker for me.

i have bad valve guide seals and a low end tapping noise i suspect as a cracked flexplate.

i also have low pressure at idle when warm.
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post #33 of 34 Old 07-19-2013, 06:39 PM
brettgorringe
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OK guys so I replaced the the oil filter with a Mopar one and it surprisingly did help a little. I know my next step is to test the oil pressure manually but untell I get around to doing that is there anything else I could replace first?
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post #34 of 34 Old 07-19-2013, 10:43 PM
cruiser54
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Quote:
Originally Posted by brettgorringe View Post
OK guys so I replaced the the oil filter with a Mopar one and it surprisingly did help a little. I know my next step is to test the oil pressure manually but untell I get around to doing that is there anything else I could replace first?
Not surprised at all. Drive it for a bit, but check the pressure first chance you get.

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