[Healeys] OT: Axle Jacking

[Derek Job]

Bob,

I use a low access racing jack which can get under the back even if the
front is on axle stands.



On Thu, Nov 19, 2015 at 11:13 PM, Bob Spidell <bspidell at comcast.net> wrote:

> It's a Catch 22; if I jack the rear first, I can't get the jack under the
> front crossmember, if I jack the front first the only way to jack the rear
> is to get under the diff from the passenger (non-exhaust) side (on an LHD
> car).
>
> I usually get the car up four jackstands to do work under the car.
>
>
>
> ------------------------------
> *From: *"Derek Job" <derek.c.job at gmail.com>
> *To: *"Keith Mott" <mottman55 at gmail.com>
> *Cc: *"Bob Spidell" <bspidell at comcast.net>, "healeys" <
> healeys at autox.team.net>
> *Sent: *Thursday, November 19, 2015 9:37:44 AM
> *Subject: *Re: [Healeys] OT: Axle Jacking
>
> I just use a piece of wood that fits across the rear crossmember. I've
> never jacked using the diff.
>
> On Thu, Nov 19, 2015 at 5:34 PM, Keith Mott <mottman55 at gmail.com> wrote:
>
>> This is really surprising to me.  I have always lifted cars by putting a
>> floor jack under the differential, and I have never had a problem nor have
>> I heard of any problem with the practice.   I suppose it could be something
>> specific to Mustangs, but all you have to do is lift a Healey axle housing
>> (even without the differential) to realize that it's pretty solid.  I can't
>> believe this is a common problem for all cars, and definitely not for a
>> Healey.
>>
>> I CAN see that putting all the pressure on the drain plug at the bottom
>> of the differential housing could be a problem.
>>
>> But, of course, now I'll worry about this the next time I jack up my
>> Healey.  Thanks Bob...  :)
>>
>> keith
>>
>> On Wed, Nov 18, 2015 at 6:35 PM, Bob Spidell <bspidell at comcast.net>
>> wrote:
>>
>>> Thought about posting this to shop-talk, but I suspect there's more
>>> general car knowledge here.
>>>
>>> I believe my Mustang manual has admonitions against jacking the rear by
>>> placing a floor jack under the rear pumpkin.  I've jacked-up Healeys this
>>> way for years, but the Healey axle housing is a single chunk of iron; the
>>> Mustang probably has thin-wall tubes from the pumpkin to the wheels.
>>> Theoretically, you could bend the thin-wall tubes, but I've done it a few
>>> times with no noticeable issues.
>>>
>>> Thoughts from the Illuminati?
>>>
>>> Bob
>>
>>
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