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Re: [GMCnet] ride height adjustment [message #30609 is a reply to message #30560] Tue, 16 December 2008 18:14 Go to previous messageGo to previous message
GMCWiperMan is currently offline  GMCWiperMan   United States
Messages: 1248
Registered: December 2007
Karma:
Senior Member
Keith,

A torsion bar unloader is definitely a mandatory tool for adjusting
them. It's basically a big grade 8+ U-bolt with a positioning nipple in
the base of the U. That nipple fits into a hole on the top of the
crossmember supporting the rear end of the torsion bar. A hefty
crossbar across the free ends of the U carries a 5/8"-3/4" grade 8
forcing screw. The rounded end of that forcing screw fits into a dimple
in the "pork chop" which anchors the rear end of the torsion bar.
Tightening the forcing screw releases the load on the 9/16" cap screw
which determines the angular position of the pork chop. Turning that
adjusting screw without releasing the load on it is a sure way to strip it.

The full procedure for adjusting the torsion bars is adequately covered
in the manual, though the explanation in Claude Brousson's paper is more
complete and readable, IMHO.

Ken Henderson
Americus, GA
www.gmcwipersetc.com
'76 X-Birchaven




Keith V wrote:
> So what is the procedure for adjusting the torsion bars?
> I've read there is an unloader involved?
>
>
HO.<br>
<br>
<pre class="moz-signature" cols="72">Ken Henderson
Americus, GA
www.gmcwipersetc.com
'76 X-Birchaven

</pre>
<br>
<br>
Keith V wrote:
<blockquote cite="mid:7760.4947de70@gmc.mybirdfeeder.net" type="cite">
<pre wrap="">
So what is the procedure for adjusting the torsion bars?
I've read there is an unloader involved?

</pre>
</blockquote>
</body>
</html>
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