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Engine oil

Discussion in 'Cherokee' started by Jm157, Feb 19, 2020.

  1. Feb 19, 2020 at 5:36 AM
    #1
    Jm157

    #1
    Jm157 [OP] Member

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    Hi guys, I hope you all are having a good morning, just out of curiosity my Jeep cherokee repair manual (XJ) said I can run 5w-30 if it gets especially cold out, however it says I can also run 10w-30 but that it shouldn’t be run below 0 degrees F, but under my hood they wrote on it saying they used 10w-30, next time I change my oil should I put in 5w-30 because it’s winter time or put 10w-30 and just use the same stuff they did?
     
    Jm157, Feb 19, 2020
    #1
  2. Feb 19, 2020 at 7:38 AM
    #2
    aggrex

    #2
    aggrex Well-Known Member

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    DE
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    I would run 5W30 for easier starts and less cold start wear as stated in the manual.
     
    aggrex, Feb 19, 2020
    #2
    JKBob 25 and CZJ7 like this.
  3. Feb 19, 2020 at 1:48 PM
    #3
    Jim Beam

    #3
    Jim Beam Well-Known Member

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    Fuel Injection, Dana 44s, T18, 4.10s w/lockers
    Another way of looking at it would be to run a heavier weight oil as a '95 xj probably has a lot of miles on it. Either way changing it at the proper intervals is critical. Dirt and metal chips don't lubricate very well.
     
    Jim Beam, Feb 19, 2020
    #3
    aggrex[QUOTED] likes this.
  4. Mar 2, 2020 at 7:12 PM
    #4
    cpttuna

    #4
    cpttuna Well-Known Member

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    earl
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    ss exhaust-viper coil
    Is your vehicle in Maine or Florida? garage kept or left out? I have run 30 weight in the jeep I leave in the heated garage. Had no problems in the winter.
     
    cpttuna, Mar 2, 2020
    #4
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