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  1. #1
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    Icon10 Just bought an XJ

    Hi xjtalk.com!

    I came on here when I was looking up if I should buy a Jeep Cherokee and seeing how happy all of you guys were with yours convinced me that I should. I just have a few questions about maintenance and such for it.

    Specs of the XJ: 1992, 4.0l i6, manual transmission, 2WD, 155,000 miles

    1) Next week I am planning on driving my XJ from Raleigh, North Carolina up to Norfolk, Virginia. What should I check out on my XJ before I drive it up there?

    2) I plan on using it around 3 times a week to my college campus. It's 10 miles to college 1 way and the top speed I'll be hitting is around 45mph. I'm trying to keep this car all the way through college and money is going to be a bit tight but not too bad. The last owner has a bunch of new parts on it such as new hoses and belts and some electrical parts that I'm not too sure of. What are some things that I can do to it or change on it to make sure that it will last for the next 3 1/2 years?

    Thank you guys!

  2. #2
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    Default Re: Just bought an XJ

    Welcome Miguel. A 2WD XJ is just about like most cars. Check the fluids, oil, coolant etc. The 5 speed is pretty much fool proof. These are simple machines and very little goes wrong with them. Properly maintained they will go for 300k
    230 hp 4.3L Chevy
    Built 4L60E with manual lockout
    Atlas 4 speed
    Griffin radiator
    On board air
    Warn 9.5ti on custom bumper
    7.5" RE front and bastard pack rear on custom long arms
    30 gal gas tank
    lockers
    And a bunch of other stuff

  3. #3
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    Default Re: Just bought an XJ

    Quote Originally Posted by 4.3LXJ View Post
    Welcome Miguel. A 2WD XJ is just about like most cars. Check the fluids, oil, coolant etc. The 5 speed is pretty much fool proof. These are simple machines and very little goes wrong with them. Properly maintained they will go for 300k
    Thanks man. Any recommendations for good oils or coolant that will keep my xj running to the 300k+ mark?

  4. #4
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    Default Re: Just bought an XJ

    Coolant needs to be the green type, 50/50 mixture. Oil should be 10W40. Valvoline is the best because it has the most minerals in it for the flat tappet camshaft those engines have
    230 hp 4.3L Chevy
    Built 4L60E with manual lockout
    Atlas 4 speed
    Griffin radiator
    On board air
    Warn 9.5ti on custom bumper
    7.5" RE front and bastard pack rear on custom long arms
    30 gal gas tank
    lockers
    And a bunch of other stuff

  5. #5
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    Default Re: Just bought an XJ

    The 4.0 calls for 10W30.Why would you suggest 10W40?

  6. #6
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    Default Re: Just bought an XJ

    Quote Originally Posted by tommy guns View Post
    The 4.0 calls for 10W30.Why would you suggest 10W40?
    Because as the 4.0 gets wear on it, the oil pressure will go down. It is a typical issue with any engine. The little extra viscosity will offset that a little. Also, the viscosity requirements in modern engines reflect CAFE standards for milage. The lighter the oil, the less pressure the engine develops and the greater milage. The same reasoning is what led to the infamous D35 rear ends we have. Less weight, more milage. Also there is the issue of engine heat. We all know the 4.0 runs warm. So particularly in the summer, the 10W40 is a good idea
    230 hp 4.3L Chevy
    Built 4L60E with manual lockout
    Atlas 4 speed
    Griffin radiator
    On board air
    Warn 9.5ti on custom bumper
    7.5" RE front and bastard pack rear on custom long arms
    30 gal gas tank
    lockers
    And a bunch of other stuff

  7. #7
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    Default Re: Just bought an XJ

    Quote Originally Posted by 4.3LXJ View Post
    Because as the 4.0 gets wear on it, the oil pressure will go down. It is a typical issue with any engine. The little extra viscosity will offset that a little. Also, the viscosity requirements in modern engines reflect CAFE standards for milage. The lighter the oil, the less pressure the engine develops and the greater milage. The same reasoning is what led to the infamous D35 rear ends we have. Less weight, more milage. Also there is the issue of engine heat. We all know the 4.0 runs warm. So particularly in the summer, the 10W40 is a good idea
    Where should the oil pressure be at anyways? I'm not quite sure what it means but mine starts off at around 60 when I let it idle then once I start moving it moves down to around 45-50 I think.

    Also one more thing, what are the other fluids that you suggest to take a look at other than the oil and coolant?

  8. #8
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    Default Re: Just bought an XJ

    Transmission, transfer case and differentials
    230 hp 4.3L Chevy
    Built 4L60E with manual lockout
    Atlas 4 speed
    Griffin radiator
    On board air
    Warn 9.5ti on custom bumper
    7.5" RE front and bastard pack rear on custom long arms
    30 gal gas tank
    lockers
    And a bunch of other stuff

  9. #9
    cantab27's Avatar
    cantab27 is offline Level: Uber Jeep Cherokee Trailer Queen
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    Default Re: Just bought an XJ

    Quote Originally Posted by 4.3LXJ View Post
    Transmission, transfer case and differentials
    service the whole jeep mate ...everything steve has said ....then you have a history to start with and know its been done then you know when next service is.......


    this dude has a good site ...

    http://jeep-xj.info/HowtoService.htm
    keeping it red........

    I DRIVE A BARBIE JEEP

    Quote Originally Posted by XJ4IV
    .... lol Im a jerk tonight!
    Originally Posted by bigjim350 View Post
    Think I would go that crazy too if my Jeep turned white

    http://www.youtube.com/watch?v=XGg0C...eature=related


  10. #10
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    Default Re: Just bought an XJ

    Quote Originally Posted by cantab27 View Post
    service the whole jeep mate ...everything steve has said ....then you have a history to start with and know its been done then you know when next service is.......


    this dude has a good site ...

    http://jeep-xj.info/HowtoService.htm
    Thanks for the link there. I think I'll go ahead and do all that is listed there then follow the intervals listed after that. Really helpful link there man. It mentions automatic transmission all on the site though, is anything different for a manual?

  11. #11
    cantab27's Avatar
    cantab27 is offline Level: Uber Jeep Cherokee Trailer Queen
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    Default Re: Just bought an XJ

    unless the manual is whining or jumping out gear should be sweet ....thing with manuals is they are a easer fix than autos
    keeping it red........

    I DRIVE A BARBIE JEEP

    Quote Originally Posted by XJ4IV
    .... lol Im a jerk tonight!
    Originally Posted by bigjim350 View Post
    Think I would go that crazy too if my Jeep turned white

    http://www.youtube.com/watch?v=XGg0C...eature=related


  12. #12
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    Default Re: Just bought an XJ

    If the radiator has plastic tanks, I would replace it with a new all metal radiator.
    The plastic tank will explode (yes, explode) or break, usually without any "warning".
    pay the extra ~150 now and save your engine...

    My
    Happy holidays...
    Saar

  13. #13
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    Default Re: Just bought an XJ

    Hi friends its me again. I figured I would just bump this instead of making a new thread. On monday I plan on flushing and changing the coolant the way the flushing article suggests. Does anyone know how much coolant the 1992 xj sport takes? I picked up a jug of peaks 50/50 green coolant/antifreeze but I wanted to make sure it was enough before I started. Also with that type of coolant do I need to mix it with water 50/50? Thanks as always.
    Sent from my SGH-T679 using Tapatalk 2

  14. #14
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    Default Re: Just bought an XJ

    I would have 2 jugs to be sure you have enough, though I can't remember how much the system holds exactly.

    For the second question, if you bought a 50/50 mix already, there's no need to mix any more water to to since it's already pre-mixed for you.

  15. #15
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    Default Re: Just bought an XJ

    Yep, one isn't gonna be enough. I typically end up using around one and a half and have the excess for emergencies.

    Sent via messenger pigeon - i talk, he types.

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