2013 maxxforce 13 normal oil pressure range?

Discussion in 'International Forum' started by Kakawhalito, May 14, 2022.

  1. Kakawhalito

    Kakawhalito Bobtail Member

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    Jan 19, 2022
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    Hi guys I have a 2013 maxxforce 13 prostar I just had the oil changed 2-3000 miles ago and the oil pressure while going down the road at 70mph(1500 rpm) is at 40-43psi at 220°. Is this normal? At idle it idles at 20 psi around 200°. It has 640k miles and I'm using rotella 15w-40 with one gallon of Lucas. Is it safe to drive at 40psi hot? Or should I have it checked out? I have a 2012 prostar with the same engine and it doesn't seem to run that low.
     
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  3. Kakawhalito

    Kakawhalito Bobtail Member

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    Jan 19, 2022
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    @Heavyd I know you get a million tags a day but if you have time to give me some insight it'd be awesome. Thank you in advance to you or anyone else who helps out!
     
    stuckinthemud Thanks this.
  4. Heavyd

    Heavyd Road Train Member

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    Feb 4, 2009
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    20 at idle isn't bad when hot. I'd like to see the pressure more in the 50-60 psi range at 1500 rpm.
     
    stuckinthemud Thanks this.
  5. Jhncp

    Jhncp Bobtail Member

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    Feb 4, 2020
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    That sounds fine to me, mine idles at 20 or less when hot and runs about 40. I think as long as you got 30 working it will be fine. Some diesels are suppose to have only 40 psi max so it's not making more heat at higher psi. Also when my oil was changed one time the pressure dropped and it might have something to do with oil filters. The only way to know a job is done right is to do it yourself. When I changed it myself and did filters it seemed to improve.
     
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