| [GMCnet] Re: Shock Absorbers [message #367566 is a reply to message #367565] |
Sun, 14 November 2021 21:20   |
James Hupy
Messages: 6806
Registered: May 2010
Karma:
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Senior Member |
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I have them, KYB's, on my 78 Royale. I installed them September, 2008.
Disconnected the fronts to install control arm bushings a couple of years
ago. The gas in the shocks was still quite evident. Those things are a
bitch to compress to reinstall them. I wound up using big tie wraps to hold
them compressed enough to reinstall. I have installed a whole bunch on
customers coaches, and never have encountered a shock failure. Not so with
Bilsteins. They break welds, lose their gasses, their bushings fail, too.
My vote is with KYB's.
Jim Hupy
Salem, Oregon
On Sun, Nov 14, 2021, 6:53 PM Larry wrote:
> Here is a copy/paste of a post I did a while back on this issue. HTH.
>
> In 2002 I brought my coach home from Houston. Among other things, I
> checked the shocks, and found all Bilstiens. Two were broken at the top
> ring. Two
> were intact, but all of the oil had leaked out, so were nonfunctional. The
> last two were functional but near dead. On the advice of others on the net,
> I bought kyb's. I have about 75K miles on them now and my only complaint
> is that the bushings in the mounting rings are too soft for the application,
> especially the uppers. The rubber di-forms and actually squashes out of
> the ring; I have replaced all of the bushings with "Energy Suspension" 3/4"
> Polyurethane hourglass shaped bushings, Part #9.8108. These bushings have
> held up for 8 or 10 years now without degrading. Unless kyb has responded to
> other complaints relative to the bushings and corrected it with a harder
> material, I personally would put those Polyurethane bushing in new kyb's and
> avoid this problem later. Other than that issue, the kyb's have preformed
> well for me and I'd buy them again. JMHO
>
> --
> Larry
> 78 Royale w/500 Caddy
> Menomonie, WI.
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