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| [GMCnet] Shock Absorbers [message #367109] |
Fri, 08 October 2021 17:27  |
k2gkk
Messages: 4452
Registered: November 2009
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What is the recommended brand for our coaches?
I need to get new shocks for my 1999 GMC Sierra
at 188,000 or so miles and figure what's good for
our coaches is probably good in general.
D C "Mac" Macdonald
Amateur Radio K2GKK
Since 30 November '53
USAF and FAA, Retired
Member GMCMI & Classics
Oklahoma City, OK
"The Money Pit"
TZE166V101966
'76 ex-Palm Beach
k2gkk + hotmail dot com
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| Re: [GMCnet] Shock Absorbers [message #367110 is a reply to message #367109] |
Fri, 08 October 2021 19:21  |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
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Since there are only 2 brands of shocks available for a TZE and lots available for your truck, probably not a good comparison. I looked up your truck and gave up counting at 80 some choices at Rockauto. I’d try ACDelco, but test them before installing. My friend is an ACDelco dealer and tests them all before selling to customers. He sends back quite a few as weak and gets replacements. I bought OESpectrum by Monroe for my Jeep and no 2 felt the same when hand priming. I think QC is poor these days. I have not found the poor QC with Bilstein. I put them on the ftont of my Tahoe. I got the smooth ride version. I probably would opt for the firmer choice if I did it again
John Lebetski
Woodstock, IL
77 Eleganza II
[Updated on: Fri, 08 October 2021 19:31] Report message to a moderator |
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| [GMCnet] Re: Shock Absorbers [message #367542 is a reply to message #367541] |
Wed, 10 November 2021 21:24 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
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Thanks John.
On Wed, Nov 10, 2021 at 4:37 PM John Wright wrote:
> The 2 brands of shocks that are made for GMC Motorhome are the Bilstein and
> KYB.
>
> Bilstein part numbers - front Rear 24-213004
>
> KYB part numbers - Front KG5435 Rear KG5436
>
> I have run both, but the KYB's are the choice of most. Go to Amazon.com
> and ebay.
>
> J.R. Wright
> GMC Great Laker
> GMCGL Tech Editor
> GMC Eastern States
> GMCMHI
> TZE Zone Restorations
> 78 Buskirk Custom 29.5' Stretch
> 75 Avion (Under going Frame up Restoration)
>
>
>
> On Fri, Oct 8, 2021 at 8:21 PM John R. Lebetski
> wrote:
>
>> Since there are only 2 brands of shocks available for a TZE and lots
>> available for your truck, probably not a good comparison.
>> --
>> John Lebetski
>> Woodstock, IL
>> 77 Eleganza II
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Jim Kanomata ASE
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.gmcrvparts.com
1-800-752-7502
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| Re: [GMCnet] Shock Absorbers [message #367554 is a reply to message #367109] |
Sat, 13 November 2021 15:51 |
kingd
Messages: 592
Registered: June 2004
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Re non GMC MH shocks as asked by person who started this thread.
As you have an older vehicle I'm not going to suggest something exotic and expensive.
A lot of people who use them seem happy with KYB. I would also suggest Bilstein although they can be
broken in the GMC application. Just what I think I know.
DAVE KING
lurker, wannabe
Toronto, Ontario, Canada
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| [GMCnet] Re: Shock Absorbers [message #367564 is a reply to message #367554] |
Sun, 14 November 2021 18:53 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
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ke care.
On Sat, Nov 13, 2021 at 1:51 PM Dave King wrote:
> Re non GMC MH shocks as asked by person who started this thread.
> As you have an older vehicle I'm not going to suggest something exotic and
> expensive.
> A lot of people who use them seem happy with KYB. I would also suggest
> Bilstein although they can be
> broken in the GMC application. Just what I think I know.
> --
> DAVE KING
> lurker, wannabe
> Toronto, Ontario, Canada
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Jim Kanomata ASE
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.gmcrvparts.com
1-800-752-7502
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| Re: [GMCnet] Shock Absorbers [message #367565 is a reply to message #367109] |
Sun, 14 November 2021 20:53 |
Larry
Messages: 2875
Registered: January 2004
Location: Menomonie, WI
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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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| [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
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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.
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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| [GMCnet] Re: Shock Absorbers [message #367584 is a reply to message #367566] |
Mon, 15 November 2021 13:39 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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KYB has improved the rubber mounts several years ago.
If you purchased the earlier ones, contact me, and I will replace them or
send you the Urethane bushings n/c,
On Sun, Nov 14, 2021 at 7:20 PM James Hupy wrote:
> 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.
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
>
--
Jim Kanomata ASE
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.gmcrvparts.com
1-800-752-7502
_______________________________________________
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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