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Shock mount failure - Printable Version

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Shock mount failure - Don Bradner - 02-18-2009 09:50

I'm the latest victim of a driver's side front shock mount failure. It took out
the brake line when it went. I was not far from home on the way back from Q, so
I limped on in (I know, in retrospect it was too dangerous, but I kept a lonnnng
following distance!)

I've used the local Detroit dealer in Arcata (Trinity Diesel) a couple of times
now for service, so I called them, and the service manager said he would swing
by for a look, no charge. He ended up removing the shock and the air line, and
said that he would come by the next time he was this way with a new airline. A
new shock will have to be ordered (the top bent/caved in) and they will schedule
an appointment to get it welded after they have that. Shock was 17 months old.


Don Bradner
90 PT40 "Blue Thunder"
My location: http://www.bbirdmaps.com/user2.cfm?user=1

Shock mount failure - Ernie Ekberg - 02-18-2009 09:59

Don, that is a first for me hearing that. Is this a Koni?


Ernie Ekberg
83PT40
Wanderlodge
Weatherford, Tx

--- On Wed, 2/18/09, Don Bradner wrote:

From: Don Bradner
Subject: [WanderlodgeForum] Shock mount failure
To: WanderlodgeForum@yahoogroups.com
Date: Wednesday, February 18, 2009, 3:50 PM


I'm the latest victim of a driver's side front shock mount failure. It took out the brake line when it went. I was not far from home on the way back from Q, so I limped on in (I know, in retrospect it was too dangerous, but I kept a lonnnng following distance!)

I've used the local Detroit dealer in Arcata (Trinity Diesel) a couple of times now for service, so I called them, and the service manager said he would swing by for a look, no charge. He ended up removing the shock and the air line, and said that he would come by the next time he was this way with a new airline. A new shock will have to be ordered (the top bent/caved in) and they will schedule an appointment to get it welded after they have that. Shock was 17 months old.

Don Bradner
90 PT40 "Blue Thunder"
My location: http://www.bbirdmaps. com/user2. cfm?user= 1



Shock mount failure - Don Bradner - 02-18-2009 10:13

Yes, it is Koni. The failure is similar to ones described by others here.

Photo: http://www.arcatapet.net/image/shockmount.jpg

On 2/18/2009 at 1:59 PM Ernie Ekberg wrote:

>Don, that is a first for me hearing that. Is this a Koni?
>
>
>Ernie Ekberg
>83PT40
>Wanderlodge
>Weatherford, Tx
>http://autos.groups.yahoo.com/group/erniesremodelingandrepair
>
>--- On Wed, 2/18/09, Don Bradner wrote:
>
>From: Don Bradner
>Subject: [WanderlodgeForum] Shock mount failure
>To: WanderlodgeForum@yahoogroups.com
>Date: Wednesday, February 18, 2009, 3:50 PM
>
>
>
>
>
>
>I'm the latest victim of a driver's side front shock mount failure. It
>took out the brake line when it went. I was not far from home on the way
>back from Q, so I limped on in (I know, in retrospect it was too
>dangerous, but I kept a lonnnng following distance!)
>
>I've used the local Detroit dealer in Arcata (Trinity Diesel) a couple of
>times now for service, so I called them, and the service manager said he
>would swing by for a look, no charge. He ended up removing the shock and
>the air line, and said that he would come by the next time he was this way
>with a new airline. A new shock will have to be ordered (the top
>bent/caved in) and they will schedule an appointment to get it welded
>after they have that. Shock was 17 months old.
>
>Don Bradner
>90 PT40 "Blue Thunder"
>My location: http://www.bbirdmaps. com/user2. cfm?user= 1

Shock mount failure - David Brady - 02-18-2009 10:19

Earnie, check msg no. 35143, or do a subject search on "shock mount".
This topic has been hashed over several times on this list. Where have
you been?

David Brady
'02 LXi, NC


-----Original Message-----

From: Ernie Ekberg

Sent: Feb 18, 2009 4:59 PM

To: WanderlodgeForum@yahoogroups.com

Subject: Re: [WanderlodgeForum] Shock mount failure











Don, that is a first for me hearing that. Is this a Koni?


Ernie Ekberg
83PT40
Wanderlodge
Weatherford, Tx

--- On Wed, 2/18/09, Don Bradner arcatapet.com> wrote:

From: Don Bradner arcatapet.com>
Subject: [WanderlodgeForum] Shock mount failure
To: WanderlodgeForum@yahoogroups.com
Date: Wednesday, February 18, 2009, 3:50 PM


I'm the latest victim of a driver's side front shock mount failure. It took out the brake line when it went. I was not far from home on the way back from Q, so I limped on in (I know, in retrospect it was too dangerous, but I kept a lonnnng following distance!)

I've used the local Detroit dealer in Arcata (Trinity Diesel) a couple of times now for service, so I called them, and the service manager said he would swing by for a look, no charge. He ended up removing the shock and the air line, and said that he would come by the next time he was this way with a new airline. A new shock will have to be ordered (the top bent/caved in) and they will schedule an appointment to get it welded after they have that. Shock was 17 months old.

Don Bradner
90 PT40 "Blue Thunder"
My location: http://www.bbirdmaps. com/user2. cfm?user= 1















Shock mount failure - David Brady - 02-18-2009 10:24

Wow Don, did you really drive like that? That's gotta be the most
severe case of the dreaded shock mount crack that I've ever
seen on a Wide Body. There must have been symptoms, creaks,
popping sounds, etc. Oh, keeping some paint on the frame definitely
prolongs the life of those welds. I'd get on the phone with Ridewell
to procure a replacement for the spring perch and shock mount
component. I think that piece is a bolt on.

David Brady
'02 LXi, NC


-----Original Message-----

From: Don Bradner

Sent: Feb 18, 2009 5:13 PM

To: WanderlodgeForum@yahoogroups.com

Subject: Re: [WanderlodgeForum] Shock mount failure











Yes, it is Koni. The failure is similar to ones described by others here.



Photo: http://www.arcatapet.net/image/shockmount.jpg



On 2/18/2009 at 1:59 PM Ernie Ekberg wrote:



>Don, that is a first for me hearing that. Is this a Koni?

>

>

>Ernie Ekberg

>83PT40

>Wanderlodge

>Weatherford, Tx

>http://autos.groups.yahoo.com/group/erniesremodelingandrepair

>

>--- On Wed, 2/18/09, Don Bradner <"bluethunder%40arcatapet.com"> wrote:

>

>From: Don Bradner <"bluethunder%40arcatapet.com">

>Subject: [WanderlodgeForum] Shock mount failure

>To: "WanderlodgeForum%40yahoogroups.com"

>Date: Wednesday, February 18, 2009, 3:50 PM

>

>

>

>

>

>

>I'm the latest victim of a driver's side front shock mount failure. It

>took out the brake line when it went. I was not far from home on the way

>back from Q, so I limped on in (I know, in retrospect it was too

>dangerous, but I kept a lonnnng following distance!)

>

>I've used the local Detroit dealer in Arcata (Trinity Diesel) a couple of

>times now for service, so I called them, and the service manager said he

>would swing by for a look, no charge. He ended up removing the shock and

>the air line, and said that he would come by the next time he was this way

>with a new airline. A new shock will have to be ordered (the top

>bent/caved in) and they will schedule an appointment to get it welded

>after they have that. Shock was 17 months old.

>

>Don Bradner

>90 PT40 "Blue Thunder"

>My location: http://www.bbirdmaps. com/user2. cfm?user= 1

















Shock mount failure - Don Bradner - 02-18-2009 10:47

I'm not sure it is worse than others. The thing is I don't think anyone has
shown theirs pre-fix before. If you look at Pete Masterson's
http://homepage.mac.com/aeonix1/Sites-Pages/Image2.html you will see that the
tear is almost identical in location and scope as mine. In the Bumpersbird album
I can't really tell where the tear was (and it may not have torn off).

On 2/18/2009 at 5:24 PM David Brady wrote:

>That's gotta be the most
>severe case of the dreaded shock mount crack that I've ever
>seen on a Wide Body.

Don Bradner
90 PT40 "Blue Thunder"
My location: http://www.bbirdmaps.com/user2.cfm?user=1

Shock mount failure - David Brady - 02-18-2009 10:51

I'm not a metallurgist, but from the looks of the rust on the crack
edges, this failure has been developing for some time. Okay
everyone, it's time to crawl under your bus to check the steer
axle, street side shock mount for cracks.

David
'02 LXi, NC


-----Original Message-----

From: Don Bradner

Sent: Feb 18, 2009 5:47 PM

To: WanderlodgeForum@yahoogroups.com

Subject: Re: [WanderlodgeForum] Shock mount failure











I'm not sure it is worse than others. The thing is I don't think anyone has shown theirs pre-fix before. If you look at Pete Masterson's http://homepage.mac.com/aeonix1/Sites-Pages/Image2.html you will see that the tear is almost identical in location and scope as mine. In the Bumpersbird album I can't really tell where the tear was (and it may not have torn off).



On 2/18/2009 at 5:24 PM David Brady wrote:



>That's gotta be the most

>severe case of the dreaded shock mount crack that I've ever

>seen on a Wide Body.



Don Bradner

90 PT40 "Blue Thunder"

My location: http://www.bbirdmaps.com/user2.cfm?user=1

















Shock mount failure - martingregg598 - 02-18-2009 10:58

Hi Don, sorry to here about the failure, can't help but wonder if
putting on shocks that dial-up the compression and rebound to improve
ride and handling, exceeds the design specification of the bracket, or
maybe it was a bad weld procedure. I know one thing, I will be keeping
an eye on mine!
Marty Gregg
95 BMC 37
Kennewick WA

Shock mount failure - Leroy Eckert - 02-18-2009 11:13

I agree David. When it dries out around here I am gonna take a look at mine.
Leroy Eckert
1990 WB-40 Smoke N Mirrors
Dahlonega, GA
Royale Conversion

--- On Wed, 2/18/09, David Brady wrote:
From: David Brady
Subject: Re: [WanderlodgeForum] Shock mount failure
To: WanderlodgeForum@yahoogroups.com
Date: Wednesday, February 18, 2009, 5:51 PM



I'm not a metallurgist, but from the looks of the rust on the crack
edges, this failure has been developing for some time. Okay
everyone, it's time to crawl under your bus to check the steer
axle, street side shock mount for cracks.

David
'02 LXi, NC


-----Original Message-----

From: Don Bradner
Sent: Feb 18, 2009 5:47 PM

To: WanderlodgeForum@ yahoogroups. com

Subject: Re: [WanderlodgeForum] Shock mount failure





I'm not sure it is worse than others. The thing is I don't think anyone has shown theirs pre-fix before. If you look at Pete Masterson's http://homepage. mac.com/aeonix1/ Sites-Pages/ Image2.html you will see that the tear is almost identical in location and scope as mine. In the Bumpersbird album I can't really tell where the tear was (and it may not have torn off).



On 2/18/2009 at 5:24 PM David Brady wrote:



>That's gotta be the most

>severe case of the dreaded shock mount crack that I've ever

>seen on a Wide Body.



Don Bradner

90 PT40 "Blue Thunder"

My location: http://www.bbirdmaps. com/user2. cfm?user= 1





Shock mount failure - David Brady - 02-18-2009 11:14

Marty,

Check out msg: 35125. This is a post I made back in June of '08
after I got off the phone with both Koni and Ridewell regarding this
problem on Wide Bodies.

David Brady
'02 LXi, NC


-----Original Message-----

From: martingregg598

Sent: Feb 18, 2009 5:58 PM

To: WanderlodgeForum@yahoogroups.com

Subject: [WanderlodgeForum] Re: Shock mount failure











Hi Don, sorry to here about the failure, can't help but wonder if

putting on shocks that dial-up the compression and rebound to improve

ride and handling, exceeds the design specification of the bracket, or

maybe it was a bad weld procedure. I know one thing, I will be keeping

an eye on mine!

Marty Gregg

95 BMC 37

Kennewick WA