Question about 1997 Jeep Grand Cherokee

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What size is the axle nut on a 97 jeep grand cherokee 4X4 5.2? Also what size are the E-torx on the back side of the hub?

I am needing to change the ball joints on my 97 jeep grand cherokee. I need to know what size axle nut is on this as well as the e-torx on the back side.

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  • Jeep Master
  • 20,706 Answers

My socket set goes to 1-1/4": and 36mm.
my e-torx kit has all sizes, one can need.
with no sets. you must measure them. it's not covered in the FSM.
only 175ft/lbs on the axle nut and need for a torque wrench that big.
kit 1:

the better question is ,is the axle nut SAE or metric.
most real Chrysler built are metric.
so that big nut, at that torque needs 1/2' drive
and the torque wrench to match.
id bet this covers that

you could off the hub cap and measure the nut, with a metric rule.
the external torx same. with a caliper measure the head.
then use the e-torx table to mach it.
bet the first ever to post that. its rare to ask.
most folks just have the 2 sets. ( a life time investment if ever there was)
here is the table i uses, if ever

good luck working with only 2 bits.

Posted on May 04, 2014

Testimonial: "The sockets for the axle nut are $15 a piece or $80 for the set. So purchasing only the one that I need is economics period. I did find a set of E-torx for a reasonable price. So on that note was hoping that the E-16 was big enough. I am sure it is and is likely the 12 or 14. Thing is I will have the only vehicle available to go get anything in pieces. So ensuring I have the correct tools before starting the job saves a lot of taking apart and putting back together."

  • 7 more comments 
  • _-__-___-_
    _-__-___-_ May 04, 2014

    my 08 has E18 torx, a M14mm hex socket fits over it. perfectly. that is how you check this , took me 5min. sure,,,, but any time you work on any car, you will find tools you dont have, comes with the package, rust, stripped bolts , stuck or what ever. damage. or other factors, or my impact socket split in half. this is what working on all cars are like (luck does happen) the correct tools are covered in the FSM i posted, but id does not cover, basic tools that is given. and you can measure them. keep in mine some jeeps have 3 different axles, and sometimes they switch brake parts mid. year, lots of possibles working on all cars. if you join the jeep forum they will laugh at this noob question, i will not. for sure there is no books stating all head sizes of all jeep made. you have to measure it your self or ask someone that just did 97. yesterday. keep in mind grab sockets from the rail and put them on , not even looking at size. (small print covered in grease) so you are trying to beat the $100 min. shop labor rate. you are attempting to buy tools for less than 1hr labor, my quetions is why., why try to cut it that close, buy the sets, and use them for rest of life.

  • _-__-___-_
    _-__-___-_ May 04, 2014

    if you dont own a 3/8" drive metric socket set , you cant even crawl under car and see which one fits, then use the table> ????????

  • _-__-___-_
    _-__-___-_ May 04, 2014

    and got a slam hammper, to get those rusty hubs of that rusty axle.... you said to be ready, are you?

  • _-__-___-_
    _-__-___-_ May 04, 2014

    edit Slam/side hammer, got one.? all mech need one. or sit there with the missing sledge hammer hitting that poor hub to death. rust is a force, a force that doubles labor.

  • _-__-___-_
    _-__-___-_ May 04, 2014

    and i didnt even mention ball joints.... but can.

  • Peter Dunnink May 04, 2014

    I am sorry if I offened you. Thank you for the E-18 info. The set of E-torx I purchased went to E-16. So while yes I get to keep the tools I have no real use for them. Yes I understand that there is always variables such as rust and stripped bolts. However taking things halfway apart just to put back together and go purchase tools seems like a total waste of time to me. I did find some info that said the axle nut was a 36mm however that is actually incorrect and if I had purchased the set of 30-36mm sockets for $80 I still would not have the correct socket and would now be out $80. And yes I do understand that there are other tools required for this job. I was not asking about those tools nor am I a mechanic. I do however like to do the work on my vehicles myself and maybe learn something at the same time. I dont think anyone was born a mechanic and everyone learned this sometime somewhere.

  • _-__-___-_
    _-__-___-_ May 05, 2014

    truly no offence, no that 36mm is max in set, i dont know my nuts sizes. and you can buy,barrow and rent tools, and can even sell them later on ebay, or even just mentioning them to friends at discount , boom gone.. fixing cars is a life time event. no car runs forever, and all that is correct, all work is a life time effort and learning experience, as kids we fix your bikes, then the motor cycle then the first dead car, the its addicting , maybe rebuilding classis like me (at 66yo) or racing. I gave that up long ago. What we do is buy the tools and dig in, learn as you go, and guess what, tools are 100% free, ever take the car to the dealer, and pay $1000 for labor, ??? see free tools, you will learn that as you go. but you can sell tools, anyone can, and now its 1/2 off. (free cash). All my tools pay dividends now , each time i touch them at 19 or at 66. If they are too ugly sitting a bout, put them in the attic.

  • _-__-___-_
    _-__-___-_ May 05, 2014

    same with the FSM. read it and it pays dividends. from missing all those mistakes or better, saving a wheel from falling off at 80mph.

  • Adley Smith
    Adley Smith Nov 08, 2018

    You need to read all jeeps related guides here (*****-wobble-experts-upgraded-factory-parts-20-years-of-experience-info-and-knowledge ) get your solutions.



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