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Thread: Jacking up your Jeep

  1. #1
    Registered
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    Question Jacking up your Jeep

    I recently heard that you shouldn't jack the JGC up by the differential housing because the aluminum case isn't strong enough to support the weight, even causing damage sometimes? Is this true?
    2001 Laredo I6
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  2. #2
    Registered Jim Hef's Avatar
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    Post

    If you have the aluminum case pumpkins, you should never lift by these. The case can be warped a bit and then the bearings aren't seating properly. It's just best to jack from the unibody points that are designed to take the weight.
    '94 Laredo 5.2 V8, Dark Blue w/Driftwood, Edelbrock IAS shocks, Hotchkis sport springs, Addco sway bars w/ greaseable urethane bushings, Kolak CatnBack sans Flowmaster (Magnaflow replacement for sound), several other minor goodies

    '99 Limited 4.7 V8, Platinum w/Agate

  3. #3

    Post

    When using the factory jack, place it where they say to...right under the spring. When using a floor jack, place it as close as possible to the directly under the spring on the axle tube. The drivers' front is usually a problem...just be creative.

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  4. #4
    Registered [96Grand]'s Avatar
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    Jun 2001
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    Springfield, TN
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    Question

    Couldn't you also use the frame rails? Keeping it close to the axle?
    Then you could place jack stands under the axle or jack from the axle and place the stands under the frame rails ....
    '98 ZJ with a few mods

  5. #5
    Registered
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    Dec 2000
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    Parker, CO, USA
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    120

    Post

    The FSM says to never put it under the axle but to use the frame.


    Steve

    ------------------
    2000 Patriot Blue WJ, 4.7L, Quadra Drive, Up Country, Loaded.
    Modifications: Mopar Rock Rails, Britax Baby Car Seat.

    1999 Chevy Tahoe LT.
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    2000 Patriot Blue WJ, 4.7L, Quadra Drive, Up Country, Loaded.
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  6. #6
    Registered louc's Avatar
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    Post

    I never liked the idea of jacking under the pumpkin even with a diff with an iron housing, seems like you're concentration too much weight all in one spot, although I know tire shops and mechanics do it all the time.
    I made a pad for my floor jack from some old rubber sheeting I had left over so I can use the floor jack on the frame rails w/o dinging them up every time I jack up the ZJ.

    ------------------
    Lou C

    98 ZJ Laredo 4.0 Selectrac Mopar skids tow hooks, tow hitch, Painless Wiring headlight bypass harness, Hella 450 fogs
    Lou C

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