Re: [DMCForum] Torsion bar removal and fitting
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Re: [DMCForum] Torsion bar removal and fitting



Here are a few photos of the procedure.  This is DMC Joe's son, Allen
(Alan?)
http://home.att.net/~whalt/095torsionbaradjustment1.jpg
http://home.att.net/~whalt/096torsionbaradjustment2.jpg

These photos are of Rob Grady & Marc Levy doing adjustments using a wood
fixture made for the job.
http://photos.groups.yahoo.com/group/DMCForum/lst
...then click "Memphis 2002" and look at photo Memphis022.  Then click the
"technical" folder and look at photos Memphis021 & Memphis023.

Many people have the opinion of, "If you have to ask, you shouldn't try
it."
It is really very simple, but one wrong move and you break the rear window
or worse.

Before you start, use a marker to draw a line across the rear of the
torsion
bar and plate so that you know where the adjustment was before you
started.
The previous guy may have already done this.

1) Keep the door open.  This takes a lot of pressure off of the torsion
bar.
Have someone stand there and hold it or prop the door open with a plank or
stick.  It is safer to put the prop on the door sill rather than on the
ground.  Then if the car shifts on the suspension, the prop moves with the
car instead of falling out.

2) You need a 3/8 inch hex (allen wrench) built into a socket.  Be sure
this
is fit all the way into the end of the torsion bar or it might
crack/spread
the end of the bar.  For leverage I use a breaker bar (it's a ratchet
handle
that doesn't ratchet).  Then fit a piece of pipe over that for more
leverage.  (I use the handle from my floor jack just like DMCJoe does.)

3) From here it is a 2 person job.  One guy holds the tension on the bar
while the other guy removes the two bolts from the torsion bar plate
(spline
bracket).  You have to tell the guy holding the tension to either slightly
tighten or loosen the torsion so that the plate doesn't destroy the
threads
while you take the bolts out.  Shifting up & down and back & forth is also
necessary.  If it doesn't come out with minimal effort, you are probably
jamming the threads.

4) With the bolts out, the plate should slide off and over your 3/8" allen
socket.  Just in case, have some small pry-bars & screwdrivers handy for
in
case the previous guy screwed something up and it won't come off easily.
The guy holding the tension on the bar will be stuck there until you get
it
apart.

5) Now you can release the tension on the bar, but be sure that the plate
is
off and spinning free or it will break the rear window.

6) To get the bar out, you need to "break it free".  Do this by using the
lever to turn the bar in the opposite direction (loosening the tension).
You should hear a pop when the bar has pulled loose from the socket in the
front hinge.  Then be careful pulling it out so that you don't scratch it
in
the rear sub-panel.

While you have the torsion bars out, consider putting screws through the
back of the sub-panel and into the fiberglass underbody to keep it from
raising up.  The sub-panel was only held on with epoxy from the factory,
and
this often comes loose with age.  I have some photos of that procedure
around here somewhere if you want to see what it looks like.

When putting things back together check to make sure there is clearance
between the torsion bar and rear hinge.  If there is not enough or if it
was
rubbing before (and screwing the sub-panel down didn't fix it) then
consider
adding a washer or fender spacer underneath the torsion bar plate on the
outer bolt.  This will straighten the bar up a bit so that it doesn't flex
against the hinge & rub.

Walt




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