How to jack the rear up?

[tim dawson]

I have a basic, Sears heavy duty 3-1/2 ton floor jack. I just put it under the
bogie arm support bracket and lift. I have never had a probelm with lack of
height - if anything, it will go far higher than I need. Since this is the
same bracket that the chain for the GMC jack hooks into, I can see no reason
that jacking in this manner will put unusual loads on the coach. Once I get it
in the air, if I am doing long-term work, I place two jackstands under the
frame and let down gently onto them (while still leaving some load on the
jack) for safety and stability.

- - Tim

> Hi GMCers!
>
> Just finished installed two new shocks on front. Didn't need to take
> tires off before I install the shocks. Now with the 4 rears, I need to take
> tire down before I can install the shocks. My problem is, how to jack the
> rear up?? I tried and tried with what I have, it appeared it couldn't jack
> up high enough.. I guess I need a special jack. Oh boy, I am so glad to find
> out before tire went out some where far away from home.
> I like to buy the jack for the rear for future uses. Any one recommend?
> Many Thanks!
>
> Ted
> 1976 Palm Beach
> Louisville, Ky.
>

- --
================================================================================
Tim Dawson (tadawson) Owner/Engineer
TPC Services Bellnet: (972)-221-7385
Lewisville, Texas 75067 FAXnet: (972)-221-0393
"The world is complex. Sendmail.cf reflects this...."

 

[al chernoff]

There are some, including Bebe Peditt who sells a fixture that attaches to the rear
bogies that makes it real easy to put a bottle jack and not have it fall. Suggest
everyone have one of these on hand.
al

> I have a basic, Sears heavy duty 3-1/2 ton floor jack. I just put it under the
> bogie arm support bracket and lift. I have never had a probelm with lack of
> height - if anything, it will go far higher than I need. Since this is the
> same bracket that the chain for the GMC jack hooks into, I can see no reason
> that jacking in this manner will put unusual loads on the coach. Once I get it
> in the air, if I am doing long-term work, I place two jackstands under the
> frame and let down gently onto them (while still leaving some load on the
> jack) for safety and stability.
>
> - Tim
>
> > Hi GMCers!
> >
> > Just finished installed two new shocks on front. Didn't need to take
> > tires off before I install the shocks. Now with the 4 rears, I need to take
> > tire down before I can install the shocks. My problem is, how to jack the
> > rear up?? I tried and tried with what I have, it appeared it couldn't jack
> > up high enough.. I guess I need a special jack. Oh boy, I am so glad to find
> > out before tire went out some where far away from home.
> > I like to buy the jack for the rear for future uses. Any one recommend?
> > Many Thanks!
> >
> > Ted
> > 1976 Palm Beach
> > Louisville, Ky.
> >
>
> --
> ================================================================================
> Tim Dawson (tadawson) Owner/Engineer
> TPC Services Bellnet: (972)-221-7385
> Lewisville, Texas 75067 FAXnet: (972)-221-0393
> "The world is complex. Sendmail.cf reflects this...."

 

[alan bredbury]

Given enough time and wood blocks I can raise the rear
of my GMC as far as I want using the air suspension. I
first raise the rear all the way up then block the
bogies and release the air. I pry up gently (from my
point of view, the wife probably would say pry hard)
under the wheel and put blocks under the wheels, then
apply air again, more blocks under the bogies and so
on. I have seen a lot of posts in the past about rear
jacking and never really understood the concern as
long as the air bags and compressor are in good shape.
I have used a floor jack as well at times in the
past. Make sure you support the unit well once it is
in the air, it's a bad thing to have it fall,
especially if you are under it.
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