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[GMCnet] Near miss or great catch…. [message #213421]

Fri, 05 July 2013 22:26

glwgmc

Messages: 1014
Registered: June 2004

Karma: 10

Senior Member

I decided to do a simple "little" project today - I wanted to install external engine oil and transmission oil coolers to compliment the in-radiator coolers on the Clasco. I found a great way to mount both, figured out how to break into the lines appropriately and plumbed everything up. While under there I found the two engine oil cooler lines running much closer to the exhaust manifold than I like but the hose was a high quality armored hose with Parker fittings and it looked ok. So, I started the engine to check for leaks and found a gush of oil - two to three quarts - on the ground. Engine off quickly and examined everything. One of those "look good, high quality" lines had burst just after the oil filter adapter fitting. Apparently the close proximity to the exhaust manifold had taken its tole. It must have been that way for a long time and the moving I did to fit the external cooler was just enough to cause it to fracture. Sure glad it happened in my driveway and
not in the middle of West Texas or the Calif. desert!

Note to self, and to all of you, if those hoses are not nearly new and they ever break out on the road you are dead in the water, er, tarmac. I had my local NAPA make a new set of 1/2" hoses with 90 degree fittings from armored high pressure hydraulic hose stock with hydraulic clinched ends for less than $80 while I waited. Don't risk your good times for less than $100. If you have not replaced those hoses it may well be time to do so now. Easy job if you remove the fender liner on the passenger side and take off that tire.

Ken Henderson showed up just as I returned from NAPA with the new hoses. For some reason he didn't volunteer to dive under there and replace them for me. Rambled on about needing to get back to his coach to do some paper work or some such..... We will have dinner tomorrow night and I will inquire (grin).

One interesting observation. With all the money that was spent maintaining this Clasco to a fairthewell (nothing spared and I have yet to add it all up but it is a bunch) who ever put on those hoses installed them backward. On one end are 45 degree fittings, on the other 90 degree fittings. They had the 45 degree fittings at the oil filter adapter end which positioned the hoses way too close to the manifold. They should have been installed with the 90 degree fittings there. I will find in the records who actually did that and what they charged the owner to do it. You just never know, even the very best have people who make mistakes at times.

Jerry
Jerry Work
The Dovetail Joint
Fine furniture designed and hand crafted in the 1907 former Masonic Temple building in historic Kerby, OR
Visitors always welcome!
glwork@mac.com
http://jerrywork.com
541-499-1027
541-592-5360

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Jerry & Sharon Work
78 Royale
Kerby, OR

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Re: [GMCnet] Near miss or great catch…. [message #213426 is a reply to message #213421]

Fri, 05 July 2013 22:42

C Boyd

Messages: 2629
Registered: April 2006

Karma: 18

Senior Member

Sir: I never did understand why the 403 had the flex lines one piece from the adapter to the rad. The 455s have a stainless hard line section from the adapter past the manifold then flex to the rad. The 403 does have a different manifold on the pass side with a notch in it to clear the adapter since it is a small block engine.
http://appliedgmc.com/prod.itml/icOid/1301

glwgmc wrote on Fri, 05 July 2013 23:26

C. Boyd
76 Crestmont
East Tennessee

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Re: [GMCnet] Near miss or great catchâ€¦. [message #213430 is a reply to message #213421]

Fri, 05 July 2013 23:05

Ken Henderson

Messages: 8726
Registered: March 2004
Location: Americus, GA

Karma: 9

Senior Member

No big secret. Based on the quality of all the work I saw around there, I
knew any involvement by me could only earn me justified ridicule! I hope I
managed to escape without embarrassing myself. :-)

Ken H.
On Jul 5, 2013 8:26 PM, "Work Jerry" <glwork@mac.com> wrote:

> I decided to do a simple "little" project today - I wanted to install
> external engine oil and transmission oil coolers to compliment the
> in-radiator coolers on the Clasco. I found a great way to mount both,
> figured out how to break into the lines appropriately and plumbed
> everything up. While under there I found the two engine oil cooler lines
> running much closer to the exhaust manifold than I like but the hose was a
> high quality armored hose with Parker fittings and it looked ok. So, I
> started the engine to check for leaks and found a gush of oil - two to
> three quarts - on the ground. Engine off quickly and examined everything.
> One of those "look good, high quality" lines had burst just after the oil
> filter adapter fitting. Apparently the close proximity to the exhaust
> manifold had taken its tole. It must have been that way for a long time
> and the moving I did to fit the external cooler was just enough to cause it
> to fracture. Sure glad it happened in my driveway and
> not in the middle of West Texas or the Calif. desert!
>
> Note to self, and to all of you, if those hoses are not nearly new and
> they ever break out on the road you are dead in the water, er, tarmac. I
> had my local NAPA make a new set of 1/2" hoses with 90 degree fittings from
> armored high pressure hydraulic hose stock with hydraulic clinched ends for
> less than $80 while I waited. Don't risk your good times for less than
> $100. If you have not replaced those hoses it may well be time to do so
> now. Easy job if you remove the fender liner on the passenger side and
> take off that tire.
>
> Ken Henderson showed up just as I returned from NAPA with the new hoses.
> For some reason he didn't volunteer to dive under there and replace them
> for me. Rambled on about needing to get back to his coach to do some paper
> work or some such..... We will have dinner tomorrow night and I will
> inquire (grin).
>
> One interesting observation. With all the money that was spent
> maintaining this Clasco to a fairthewell (nothing spared and I have yet to
> add it all up but it is a bunch) who ever put on those hoses installed them
> backward. On one end are 45 degree fittings, on the other 90 degree
> fittings. They had the 45 degree fittings at the oil filter adapter end
> which positioned the hoses way too close to the manifold. They should have
> been installed with the 90 degree fittings there. I will find in the
> records who actually did that and what they charged the owner to do it.
> You just never know, even the very best have people who make mistakes at
> times.
>
> Jerry
> Jerry Work
> The Dovetail Joint
> Fine furniture designed and hand crafted in the 1907 former Masonic Temple
> building in historic Kerby, OR
> Visitors always welcome!
> glwork@mac.com
> http://jerrywork.com
> 541-499-1027
> 541-592-5360
>
>
>
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach

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Re: [GMCnet] Near miss or great catch…. [message #213467 is a reply to message #213430]

Sat, 06 July 2013 10:33

James Hupy

Messages: 6806
Registered: May 2010

Karma: -62

Senior Member

Jerry, for a field expedient limp home mode, the oil filter adapter can be
removed by unscrewing the large pipe fitting in the middle of the adapter,
removing the adapter and screwing the oil filter directly onto the threaded
nipple that remains. NOTE; THIS IS ONLY A TEMPORARY, LIMP HOME OR TO THE
NEAREST PLACE WHERE LINES CAN BE FABRICATED. It just takes the lines and
cooler out of the loop until effective repairs can be made.
Jim Hupy
Salem, OR
78 GMC Royale 403

On Fri, Jul 5, 2013 at 9:05 PM, Ken Henderson <hend4800@bellsouth.net>wrote:

> No big secret. Based on the quality of all the work I saw around there, I
> knew any involvement by me could only earn me justified ridicule! I hope I
> managed to escape without embarrassing myself. :-)
>
> Ken H.
> On Jul 5, 2013 8:26 PM, "Work Jerry" <glwork@mac.com> wrote:
>
> > I decided to do a simple "little" project today - I wanted to install
> > external engine oil and transmission oil coolers to compliment the
> > in-radiator coolers on the Clasco. I found a great way to mount both,
> > figured out how to break into the lines appropriately and plumbed
> > everything up. While under there I found the two engine oil cooler lines
> > running much closer to the exhaust manifold than I like but the hose was
> a
> > high quality armored hose with Parker fittings and it looked ok. So, I
> > started the engine to check for leaks and found a gush of oil - two to
> > three quarts - on the ground. Engine off quickly and examined
> everything.
> > One of those "look good, high quality" lines had burst just after the
> oil
> > filter adapter fitting. Apparently the close proximity to the exhaust
> > manifold had taken its tole. It must have been that way for a long time
> > and the moving I did to fit the external cooler was just enough to cause
> it
> > to fracture. Sure glad it happened in my driveway and
> > not in the middle of West Texas or the Calif. desert!
> >
> > Note to self, and to all of you, if those hoses are not nearly new and
> > they ever break out on the road you are dead in the water, er, tarmac. I
> > had my local NAPA make a new set of 1/2" hoses with 90 degree fittings
> from
> > armored high pressure hydraulic hose stock with hydraulic clinched ends
> for
> > less than $80 while I waited. Don't risk your good times for less than
> > $100. If you have not replaced those hoses it may well be time to do so
> > now. Easy job if you remove the fender liner on the passenger side and
> > take off that tire.
> >
> > Ken Henderson showed up just as I returned from NAPA with the new hoses.
> > For some reason he didn't volunteer to dive under there and replace them
> > for me. Rambled on about needing to get back to his coach to do some
> paper
> > work or some such..... We will have dinner tomorrow night and I will
> > inquire (grin).
> >
> > One interesting observation. With all the money that was spent
> > maintaining this Clasco to a fairthewell (nothing spared and I have yet
> to
> > add it all up but it is a bunch) who ever put on those hoses installed
> them
> > backward. On one end are 45 degree fittings, on the other 90 degree
> > fittings. They had the 45 degree fittings at the oil filter adapter end
> > which positioned the hoses way too close to the manifold. They should
> have
> > been installed with the 90 degree fittings there. I will find in the
> > records who actually did that and what they charged the owner to do it.
> > You just never know, even the very best have people who make mistakes at
> > times.
> >
> > Jerry
> > Jerry Work
> > The Dovetail Joint
> > Fine furniture designed and hand crafted in the 1907 former Masonic
> Temple
> > building in historic Kerby, OR
> > Visitors always welcome!
> > glwork@mac.com
> > http://jerrywork.com
> > 541-499-1027
> > 541-592-5360
> >
> >
> >
> >
> >
> > _______________________________________________
> > GMCnet mailing list
> > Unsubscribe or Change List Options:
> > http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
> >
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
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Re: [GMCnet] Near miss or great catch…. [message #213468 is a reply to message #213467]

Sat, 06 July 2013 10:39

dwayne jacobson[1]

Messages: 345
Registered: July 2009

Karma: 0

Senior Member

A FEW years back we were heading home from Castlegar climbing a long hill
and noticed a mist out the back. First thought was we didn't just go
through a low cloud. Looking down at my oil gauge I saw it readiing O.
Quickley pulled over and shut it down. Oil was all over the undercarriage
and out the sides as well. ONe of the lines had parted company. I never
knew about what Jim just described. I called a tow company and they towed
it to a Trucking Shop. There they fabricated a new line and in a matter of
4 hours total we were back on the road.
Happy trails.
Dwayne and Sharon JAcobson
white rock bc
77 kingsley

On Sat, Jul 6, 2013 at 8:33 AM, James Hupy <jamesh1296@gmail.com> wrote:

> Jerry, for a field expedient limp home mode, the oil filter adapter can be
> removed by unscrewing the large pipe fitting in the middle of the adapter,
> removing the adapter and screwing the oil filter directly onto the threaded
> nipple that remains. NOTE; THIS IS ONLY A TEMPORARY, LIMP HOME OR TO THE
> NEAREST PLACE WHERE LINES CAN BE FABRICATED. It just takes the lines and
> cooler out of the loop until effective repairs can be made.
> Jim Hupy
> Salem, OR
> 78 GMC Royale 403
>
>
> On Fri, Jul 5, 2013 at 9:05 PM, Ken Henderson <hend4800@bellsouth.net
> >wrote:
>
> > No big secret. Based on the quality of all the work I saw around there,
> I
> > knew any involvement by me could only earn me justified ridicule! I
> hope I
> > managed to escape without embarrassing myself. :-)
> >
> > Ken H.
> > On Jul 5, 2013 8:26 PM, "Work Jerry" <glwork@mac.com> wrote:
> >
> > > I decided to do a simple "little" project today - I wanted to install
> > > external engine oil and transmission oil coolers to compliment the
> > > in-radiator coolers on the Clasco. I found a great way to mount both,
> > > figured out how to break into the lines appropriately and plumbed
> > > everything up. While under there I found the two engine oil cooler
> lines
> > > running much closer to the exhaust manifold than I like but the hose
> was
> > a
> > > high quality armored hose with Parker fittings and it looked ok. So, I
> > > started the engine to check for leaks and found a gush of oil - two to
> > > three quarts - on the ground. Engine off quickly and examined
> > everything.
> > > One of those "look good, high quality" lines had burst just after the
> > oil
> > > filter adapter fitting. Apparently the close proximity to the exhaust
> > > manifold had taken its tole. It must have been that way for a long
> time
> > > and the moving I did to fit the external cooler was just enough to
> cause
> > it
> > > to fracture. Sure glad it happened in my driveway and
> > > not in the middle of West Texas or the Calif. desert!
> > >
> > > Note to self, and to all of you, if those hoses are not nearly new and
> > > they ever break out on the road you are dead in the water, er, tarmac.
> I
> > > had my local NAPA make a new set of 1/2" hoses with 90 degree fittings
> > from
> > > armored high pressure hydraulic hose stock with hydraulic clinched ends
> > for
> > > less than $80 while I waited. Don't risk your good times for less than
> > > $100. If you have not replaced those hoses it may well be time to do
> so
> > > now. Easy job if you remove the fender liner on the passenger side and
> > > take off that tire.
> > >
> > > Ken Henderson showed up just as I returned from NAPA with the new
> hoses.
> > > For some reason he didn't volunteer to dive under there and replace
> them
> > > for me. Rambled on about needing to get back to his coach to do some
> > paper
> > > work or some such..... We will have dinner tomorrow night and I will
> > > inquire (grin).
> > >
> > > One interesting observation. With all the money that was spent
> > > maintaining this Clasco to a fairthewell (nothing spared and I have yet
> > to
> > > add it all up but it is a bunch) who ever put on those hoses installed
> > them
> > > backward. On one end are 45 degree fittings, on the other 90 degree
> > > fittings. They had the 45 degree fittings at the oil filter adapter
> end
> > > which positioned the hoses way too close to the manifold. They should
> > have
> > > been installed with the 90 degree fittings there. I will find in the
> > > records who actually did that and what they charged the owner to do it.
> > > You just never know, even the very best have people who make mistakes
> at
> > > times.
> > >
> > > Jerry
> > > Jerry Work
> > > The Dovetail Joint
> > > Fine furniture designed and hand crafted in the 1907 former Masonic
> > Temple
> > > building in historic Kerby, OR
> > > Visitors always welcome!
> > > glwork@mac.com
> > > http://jerrywork.com
> > > 541-499-1027
> > > 541-592-5360
> > >
> > >
> > >
> > >
> > >
> > > _______________________________________________
> > > GMCnet mailing list
> > > Unsubscribe or Change List Options:
> > > http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
> > >
> > _______________________________________________
> > GMCnet mailing list
> > Unsubscribe or Change List Options:
> > http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
> >
> _______________________________________________
> GMCnet mailing list
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>

--
Dwayne Jacobson
White Rock BC
Cell: 604-644-8090
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Re: [GMCnet] Near miss or great catch.. [message #213535 is a reply to message #213421]

Sat, 06 July 2013 20:24

USAussie

Messages: 15912
Registered: July 2007
Location: Sydney, Australia

Karma: 6

Senior Member

Jerry,

You have used the term "high quality armored hose;" I assume you mean hose with stainless steel braiding on the outside.

Please be advised that there are different types of hoses with stainless steel braiding on the outside; some of them are rubber
internally the REAL "high quality" ones are aircraft standard which is Teflon internally.

I note that you had new hoses made up at NAPA, were they rubber internally or Teflon.

I believe that the ones JR Slaten has made up for the 455 and 403 are aircraft quality.

Regards,
Rob M.

-----Original Message-----
From: Work Jerry

I decided to do a simple "little" project today - I wanted to install external engine oil and transmission oil coolers to compliment
the in-radiator coolers on the Clasco. I found a great way to mount both, figured out how to break into the lines appropriately and
plumbed everything up. While under there I found the two engine oil cooler lines running much closer to the exhaust manifold than I
like but the hose was a high quality armored hose with Parker fittings and it looked ok. So, I started the engine to check for
leaks and found a gush of oil - two to three quarts - on the ground. Engine off quickly and examined everything. One of those
"look good, high quality" lines had burst just after the oil filter adapter fitting. Apparently the close proximity to the exhaust
manifold had taken its tole. It must have been that way for a long time and the moving I did to fit the external cooler was just
enough to cause it to fracture. Sure glad it happened in my driveway and not in the middle of West Texas or the Calif. desert!

Note to self, and to all of you, if those hoses are not nearly new and they ever break out on the road you are dead in the water,
er, tarmac. I had my local NAPA make a new set of 1/2" hoses with 90 degree fittings from armored high pressure hydraulic hose
stock with hydraulic clinched ends for less than $80 while I waited. Don't risk your good times for less than $100. If you have
not replaced those hoses it may well be time to do so now. Easy job if you remove the fender liner on the passenger side and take
off that tire.

Ken Henderson showed up just as I returned from NAPA with the new hoses. For some reason he didn't volunteer to dive under there
and replace them for me. Rambled on about needing to get back to his coach to do some paper work or some such..... We will have
dinner tomorrow night and I will inquire (grin).

One interesting observation. With all the money that was spent maintaining this Clasco to a fairthewell (nothing spared and I have
yet to add it all up but it is a bunch) who ever put on those hoses installed them backward. On one end are 45 degree fittings, on
the other 90 degree fittings. They had the 45 degree fittings at the oil filter adapter end which positioned the hoses way too
close to the manifold. They should have been installed with the 90 degree fittings there. I will find in the records who actually
did that and what they charged the owner to do it. You just never know, even the very best have people who make mistakes at times.

Jerry

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Regards, Rob M. (USAussie) The Pedantic Mechanic Sydney, Australia '75 Avion - AUS - The Blue Streak TZE365V100428 '75 Avion - USA - Double Trouble TZE365V100426

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