Giving it more thought - you are dead right!!

Not a good idea - both rear wheels off the ground simultaneously.

Safer doing first one, place a jack stand - then the other, place a jack
stand.

John Rodgers
88 GL Driver

Ed McLean wrote:
> No! No! No! No! No!  It's not a kool idea.  It's a very bad idea.
>
> Do not ever use a highlift type jack to raise the end of a vehicle.  It will
> fall over.
>
>
> If you lift both rear wheels off the ground there is nothing to keep the van
> from twisting to either side or rolling forward or backwards and falling off
> the jack.  The highlift jack just doesn't offer that type of support.  Your
> parking brake won't work and even if you have a Syncro, the front wheels
> will rotate in opposite directions as your precious vehicle fell off the
> jack.  You would have to chock both front wheels both front and rear
> extremely securely and that just can't be done, even if they were lashed
> down with chains.  Jacking up the side of a vehicle is completely different
> than jacking up the end of a vehicle.
>
> A jack of this type will just not offer any support to a lateral force of a
> vehicle falling off the jack.  A standard hydraulic floor jack is much
> different and offers much greater support to resist a lateral force.
>
> This is very dangerous.  Don't do this, not even for just enough time to get
> jack stands in place.
>
> Ed McLean
>
>
>
> On Tue, 21 Jul 2009 13:43:48 -0500, John Rodgers <inua@CHARTER.NET> wrote:
>
>
>> Kool idea!!  Just don't forget to open the rear hatch and take out the
>> jack stands before lifting the van with the wagon wheel jack (old name
>> for highlift jack) You won't be able to get you rear hatch open.
>>
>> I think I will get myself one of those highlift jack just for the purpose.
>>
>> John Rodgers
>> 88 GL Driver
>>
>> Bob Stevens wrote:
>>
>>> Although not Dennis's finely crafted and stout leverage-point, I have
>>> some tube bumpers that have receivers in each, front/rear, that have
>>> stood up to being used to pull me out of a steep canyon in Moab, so I
>>> trust these are reliable.
>>>
>>> My point ... I just got a high lift jack and had thought of using it
>>> to lift the entire end of the van for placing of jackstands. This may
>>> afterall, work. ;-) ... with caution and chocks.
>>>
>>> bob
>>>
>>> Unbeknownst to me, the man put a single jack under the
>>>
>>>
>>>> receiver tube on the hitch and jacked up the rear with the one jack. I
>>>> happened to go out and I spotted it. I was flabbergasted. Terrible shop
>>>> craft - there are jack points right?? I did say something to the
>>>> manager, but the damage was done, and I was curious to see what the
>>>> situation was going to wind up being. Well, it would seem that hitch
>>>> held up just fine. The square tube cross piece didn't bend - heck! it
>>>> didn't even bow the slightest.
>>>>
>>>> I gotta hand it to Dennis. That trailer hitch is hell-for-stout, and I
>>>> would recommend it to anyone!!
>>>>
>>>>
>>>
>>>
>
>
>