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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.
----- Original Message -----
From: "Derek Job" <derek.c.job@gmail.com>
To: "Keith Mott" <mottman55@gmail.com>
Cc: "Bob Spidell" <bspidell@comcast.net>, "healeys" <healeys@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@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@comcast.net > wrote:
<blockquote>
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
</blockquote>
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<html><body><div style=3D"font-family: Arial; font-size: 12pt; color: #0000=
00"><div aria-label=3D"Compose body">It's a Catch 22; if I jack the rear fi=
rst, 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 passe=
nger (non-exhaust) side (on an LHD car).<br></div><div aria-label=3D"Compos=
e body"><br></div><div aria-label=3D"Compose body">I usually get the car up=
four jackstands to do work under the car.<br></div><div aria-label=3D"Comp=
ose body"><br></div><div aria-label=3D"Compose body"><br></div><div><br></d=
iv><hr id=3D"zwchr"><div style=3D"color:#000;font-weight:normal;font-style:=
normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-siz=
e:12pt;" data-mce-style=3D"color: #000; font-weight: normal; font-style: no=
rmal; text-decoration: none; font-family: Helvetica,Arial,sans-serif; font-=
size: 12pt;"><b>From: </b>"Derek Job" <derek.c.job@gmail.com><br><b>T=
o: </b>"Keith Mott" <mottman55@gmail.com><br><b>Cc: </b>"Bob Spidell"=
<bspidell@comcast.net>, "healeys" <healeys@autox.team.net><br>=
<b>Sent: </b>Thursday, November 19, 2015 9:37:44 AM<br><b>Subject: </b>Re: =
[Healeys] OT: Axle Jacking<br><div><br></div><div dir=3D"ltr">I just use a =
piece of wood that fits across the rear crossmember. I've never jacked usin=
g the diff.</div><div class=3D"gmail_extra"><br><div class=3D"gmail_quote">=
On Thu, Nov 19, 2015 at 5:34 PM, Keith Mott <span dir=3D"ltr"><<a href=
=3D"mailto:mottman55@gmail.com"; target=3D"_blank" data-mce-href=3D"mailto:m=
ottman55@gmail.com">mottman55@gmail.com</a>></span> wrote:<br><blockquot=
e class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc sol=
id;padding-left:1ex" data-mce-style=3D"margin: 0 0 0 .8ex; border-left: 1px=
#ccc solid; padding-left: 1ex;"><div dir=3D"ltr">This is really surprising=
to me. I have always lifted cars by putting a floor jack under the d=
ifferential, 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 Must=
angs, but all you have to do is lift a Healey axle housing (even without th=
e differential) to realize that it's pretty solid. I can't believe th=
is is a common problem for all cars, and definitely not for a Healey.<div><=
br></div><div>I CAN see that putting all the pressure on the drain plug at =
the bottom of the differential housing could be a problem.</div><div><br></=
div><div>But, of course, now I'll worry about this the next time I jack up =
my Healey. Thanks Bob... :)</div><div><br></div><div>keith</div=
></div><div class=3D"gmail_extra"><br><div class=3D"gmail_quote"><span clas=
s=3D"">On Wed, Nov 18, 2015 at 6:35 PM, Bob Spidell <span dir=3D"ltr"><<=
a href=3D"mailto:bspidell@comcast.net"; target=3D"_blank" data-mce-href=3D"m=
ailto:bspidell@comcast.net">bspidell@comcast.net</a>></span> wrote:<br><=
/span><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-l=
eft:1px #ccc solid;padding-left:1ex" data-mce-style=3D"margin: 0 0 0 .8ex; =
border-left: 1px #ccc solid; padding-left: 1ex;"><span class=3D"">Thought a=
bout posting this to shop-talk, but I suspect there's more general car know=
ledge here.<br> <br> I believe my Mustang manual has admonitions against ja=
cking the rear by placing a floor jack under the rear pumpkin. I've j=
acked-up Healeys this way for years, but the Healey axle housing is a singl=
e 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.<br> <br> Thoughts from=
the Illuminati?<br> <br> Bob</span></blockquote></div></div></blockquote><=
/div></div></div></div></body></html>
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