Home » Public Forums » GMCnet » [GMCnet] Half a trans Canada rolling rally, final report
| [GMCnet] Half a trans Canada rolling rally, final report [message #182740] |
Sat, 01 September 2012 10:10  |
glwgmc
Messages: 1014
Registered: June 2004
Karma: 10
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Senior Member |
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We ended our wonderful "half trans Canada" rolling rally last week. We were with the group over to the Rockies when we headed south to meet up with family members. As I indicated earlier, the roads were some of the most intense we have encountered in our ten years with the GMC. 13% grades up and down, lots of 11% to 6% grades, some as long as 20km. One of the really harry drives was from Lewistown, ID, across the Clearwater river and down to Joseph, OR. Many have heard all about the "Lewiston Grade", but the road to the south is far steeper, more tight 15 to 20 mph curves right ahead of really steep climbs, etc. Great fun and a bit unnerving at times.
A tad over 3,000 miles all told. Used one quart of oil and lots of fuel. The old girl really liked the 94 octane stuff in Canada with no alcohol in it. By the time we hit the passes in southern Oregon on our way home we were using crap gas again and it would ping on the hills if I really put my foot in it. Guess I will have to retard the distributor even a bit more.
By the time we got back to Spokane and then down the Columbia River gorge towards Portland, OR, our brakes felt a bit odd. At one point it felt like the vac. booster had failed or the proportioning valve had stuck not allowing enough fluid to flow to the front disks. A bit of poking around discovered a very loose adjuster on the rear drivers side drum. It had backed off which required pumping to get the shoes to expand enough to pass fluid to the other drums and then to the disks. I adjusted it at a camp site and we continued on. The brakes continued to behave the same way. Push once and it felt like no vac. boost, pump and they became firm. By the time we did what we needed to in Portland and headed south on the I-5, Sharon said she heard a scraping sound. I looked all around and couldn't see anything. The brakes had the same odd behavior but always became firm with a couple of pumps.
When we got home I put the coach up on jack stands. When I spun that DS rear wheel it sounded like a bucket of rocks tumbling around in there. Pulled the drum and found the adjuster mechanism had backed all the way in, came off and what was left of the adjusting mechanism was loose in the bottom of the drum. The bits and pieces looked like they had been through a rock tumbler. Fortunately they did not jam between the shoe and hub and that brake did not come further apart. Amazing that the brakes could work that well when one was completely non-functional!
I pulled the matching brake on the PS, had both drums turned so they would be the same thickness (hence will dissipate heat the same way) and will replace the pads on both sides. I will also replace all the springs and such on the bad side as they may have become overly hot through all this.
Alls well that ends well and we could not have asked more of this nearly 40 year old lady. She performed like the true champ she is.
Jerry
Jerry Work
Fine furniture designed and hand crafted in the 1907 former Masonic Temple building in historic Kerby, OR
glwork@mac.com
http://jerrywork.com
541-592-5360
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Jerry & Sharon Work
78 Royale
Kerby, OR
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| Re: [GMCnet] Half a trans Canada rolling rally, final report [message #182748 is a reply to message #182740] |
Sat, 01 September 2012 10:48  |
powerjon
Messages: 2446
Registered: January 2004
Karma: 5
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Senior Member |
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Jerry,
I had the same issue on the trip out west going from the Grand Canyon
to Albuquerque. I had adjusted the rear drums on the coach before the
trip and about 4K miles later the right rear came apart and I had no
rear brakes and very funny peddle. Being out in the middle of "No
Where" New Mexico on I40 we just took the drum off, removed all the
parts inside and put a cap (which I had and I don't know Why?) on the
brake line to the brake slave cylinder, then bled the brakes a little
bit to get the air our of the rear lines and moved on to Albuquerque.
The coach stopped fairly well without the shoes in the RR bogey and I
waited until I got home and changed out the rear drums to disks to
disks.
JR Wright
GMC Great Laker MHC
GMC Eastern States
GMCMHI
78 Buskirk 30' Stretch
1975 Avion (Under Reconstruction)
Michigan
On Sep 1, 2012, at 11:10 AM, Work Jerry wrote:
> We ended our wonderful "half trans Canada" rolling rally last week.
> We were with the group over to the Rockies when we headed south to
> meet up with family members. As I indicated earlier, the roads were
> some of the most intense we have encountered in our ten years with
> the GMC. 13% grades up and down, lots of 11% to 6% grades, some as
> long as 20km. One of the really harry drives was from Lewistown,
> ID, across the Clearwater river and down to Joseph, OR. Many have
> heard all about the "Lewiston Grade", but the road to the south is
> far steeper, more tight 15 to 20 mph curves right ahead of really
> steep climbs, etc. Great fun and a bit unnerving at times.
>
> A tad over 3,000 miles all told. Used one quart of oil and lots of
> fuel. The old girl really liked the 94 octane stuff in Canada with
> no alcohol in it. By the time we hit the passes in southern Oregon
> on our way home we were using crap gas again and it would ping on
> the hills if I really put my foot in it. Guess I will have to
> retard the distributor even a bit more.
>
> By the time we got back to Spokane and then down the Columbia River
> gorge towards Portland, OR, our brakes felt a bit odd. At one point
> it felt like the vac. booster had failed or the proportioning valve
> had stuck not allowing enough fluid to flow to the front disks. A
> bit of poking around discovered a very loose adjuster on the rear
> drivers side drum. It had backed off which required pumping to get
> the shoes to expand enough to pass fluid to the other drums and then
> to the disks. I adjusted it at a camp site and we continued on.
> The brakes continued to behave the same way. Push once and it felt
> like no vac. boost, pump and they became firm. By the time we did
> what we needed to in Portland and headed south on the I-5, Sharon
> said she heard a scraping sound. I looked all around and couldn't
> see anything. The brakes had the same odd behavior but always
> became firm with a couple of pumps.
>
> When we got home I put the coach up on jack stands. When I spun
> that DS rear wheel it sounded like a bucket of rocks tumbling around
> in there. Pulled the drum and found the adjuster mechanism had
> backed all the way in, came off and what was left of the adjusting
> mechanism was loose in the bottom of the drum. The bits and pieces
> looked like they had been through a rock tumbler. Fortunately they
> did not jam between the shoe and hub and that brake did not come
> further apart. Amazing that the brakes could work that well when
> one was completely non-functional!
>
> I pulled the matching brake on the PS, had both drums turned so they
> would be the same thickness (hence will dissipate heat the same way)
> and will replace the pads on both sides. I will also replace all
> the springs and such on the bad side as they may have become overly
> hot through all this.
>
> Alls well that ends well and we could not have asked more of this
> nearly 40 year old lady. She performed like the true champ she is.
>
> Jerry
> Jerry Work
> Fine furniture designed and hand crafted in the 1907 former Masonic
> Temple building in historic Kerby, OR
> glwork@mac.com
> http://jerrywork.com
> 541-592-5360
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J.R. Wright
GMC GreatLaker
GMC Eastern States
GMCMI
78 30' Buskirk Stretch
75 Avion Under Reconstruction
Michigan
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| Re: [GMCnet] Half a trans Canada rolling rally, final report [message #182797 is a reply to message #182740] |
Sat, 01 September 2012 17:16 |
 |
USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Jerry,
I lost the "gobbings" in the driver side rear drum on the way to DuQuoin. When I opened it up I found the same thing you did. I did
a patch job with used parts from Bob Stone (he bought MichaelB's inventory) to get back to Houston.
When I got back I decided to rebuild them completely and got new drums for both sides (one was badly scored, the other at max
limit), new wheel cylinders, brake spring kit, and carbon metallic shoes. I went with carbon metallic shoes as that's what my pads
are and I am VERY pleased with the way Double Trouble stopped.
I reckon disks on the front and mid axles and drums on the rear are as good as it gets without the reaction arm system. You
obviously have the added benefit of the larger disk from the 1 ton.
The emails about the TCR have been enjoyable reading, thanks for taking the time to write them. That's goes for the others that have
done the same too.
Regards,
Rob M.
-----Original Message-----
From: Work Jerry
We ended our wonderful "half trans Canada" rolling rally last week. We were with the group over to the Rockies when we headed south
to meet up with family members. As I indicated earlier, the roads were some of the most intense we have encountered in our ten
years with the GMC. 13% grades up and down, lots of 11% to 6% grades, some as long as 20km. One of the really harry drives was
from Lewistown, ID, across the Clearwater river and down to Joseph, OR. Many have heard all about the "Lewiston Grade", but the
road to the south is far steeper, more tight 15 to 20 mph curves right ahead of really steep climbs, etc. Great fun and a bit
unnerving at times.
A tad over 3,000 miles all told. Used one quart of oil and lots of fuel. The old girl really liked the 94 octane stuff in Canada
with no alcohol in it. By the time we hit the passes in southern Oregon on our way home we were using crap gas again and it would
ping on the hills if I really put my foot in it. Guess I will have to retard the distributor even a bit more.
By the time we got back to Spokane and then down the Columbia River gorge towards Portland, OR, our brakes felt a bit odd. At one
point it felt like the vac. booster had failed or the proportioning valve had stuck not allowing enough fluid to flow to the front
disks. A bit of poking around discovered a very loose adjuster on the rear drivers side drum. It had backed off which required
pumping to get the shoes to expand enough to pass fluid to the other drums and then to the disks. I adjusted it at a camp site and
we continued on. The brakes continued to behave the same way. Push once and it felt like no vac. boost, pump and they became firm.
By the time we did what we needed to in Portland and headed south on the I-5, Sharon said she heard a scraping sound. I looked all
around and couldn't see anything. The brakes had the same odd behavior but always became firm with a couple of pumps.
When we got home I put the coach up on jack stands. When I spun that DS rear wheel it sounded like a bucket of rocks tumbling
around in there. Pulled the drum and found the adjuster mechanism had backed all the way in, came off and what was left of the
adjusting mechanism was loose in the bottom of the drum. The bits and pieces looked like they had been through a rock tumbler.
Fortunately they did not jam between the shoe and hub and that brake did not come further apart. Amazing that the brakes could work
that well when one was completely non-functional!
I pulled the matching brake on the PS, had both drums turned so they would be the same thickness (hence will dissipate heat the same
way) and will replace the pads on both sides. I will also replace all the springs and such on the bad side as they may have become
overly hot through all this.
Alls well that ends well and we could not have asked more of this nearly 40 year old lady. She performed like the true champ she
is.
Jerry
Jerry Work
Fine furniture designed and hand crafted in the 1907 former Masonic Temple building in historic Kerby, OR
glwork@mac.com
http://jerrywork.com
541-592-5360
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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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| Re: [GMCnet] Half a trans Canada rolling rally, final report [message #182810 is a reply to message #182797] |
Sat, 01 September 2012 18:30 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Senior Member |
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Jerry, it occurred to me that the adjusting starwheel threads might have
been switched side to side. They need to make the space longer between the
shoes when they self adjust,and if reversed will back off the adjustment
like yours did. Worth checking. By the way, great travel report. Enjoyed
you and Sharon on the CASCADERS TRANSCANADA TRAVELING MYSTERY TOUR.Judy
says ditto.
Jim Hupy
Currently in Wisconsin Dells, Wisconsin. Hope to be in fairmont, Minn.
Tomorrow night. Visited with Steve Southworth and his wife today. Dick
paterson is building him a 455 for his 74 GMC.
On Sep 1, 2012 5:16 PM, "Rob Mueller" <robmueller@iinet.net.au> wrote:
> Jerry,
>
> I lost the "gobbings" in the driver side rear drum on the way to DuQuoin.
> When I opened it up I found the same thing you did. I did
> a patch job with used parts from Bob Stone (he bought MichaelB's
> inventory) to get back to Houston.
>
> When I got back I decided to rebuild them completely and got new drums for
> both sides (one was badly scored, the other at max
> limit), new wheel cylinders, brake spring kit, and carbon metallic shoes.
> I went with carbon metallic shoes as that's what my pads
> are and I am VERY pleased with the way Double Trouble stopped.
>
> I reckon disks on the front and mid axles and drums on the rear are as
> good as it gets without the reaction arm system. You
> obviously have the added benefit of the larger disk from the 1 ton.
>
> The emails about the TCR have been enjoyable reading, thanks for taking
> the time to write them. That's goes for the others that have
> done the same too.
>
> Regards,
> Rob M.
>
> -----Original Message-----
> From: Work Jerry
>
> We ended our wonderful "half trans Canada" rolling rally last week. We
> were with the group over to the Rockies when we headed south
> to meet up with family members. As I indicated earlier, the roads were
> some of the most intense we have encountered in our ten
> years with the GMC. 13% grades up and down, lots of 11% to 6% grades,
> some as long as 20km. One of the really harry drives was
> from Lewistown, ID, across the Clearwater river and down to Joseph, OR.
> Many have heard all about the "Lewiston Grade", but the
> road to the south is far steeper, more tight 15 to 20 mph curves right
> ahead of really steep climbs, etc. Great fun and a bit
> unnerving at times.
>
> A tad over 3,000 miles all told. Used one quart of oil and lots of fuel.
> The old girl really liked the 94 octane stuff in Canada
> with no alcohol in it. By the time we hit the passes in southern Oregon
> on our way home we were using crap gas again and it would
> ping on the hills if I really put my foot in it. Guess I will have to
> retard the distributor even a bit more.
>
> By the time we got back to Spokane and then down the Columbia River gorge
> towards Portland, OR, our brakes felt a bit odd. At one
> point it felt like the vac. booster had failed or the proportioning valve
> had stuck not allowing enough fluid to flow to the front
> disks. A bit of poking around discovered a very loose adjuster on the
> rear drivers side drum. It had backed off which required
> pumping to get the shoes to expand enough to pass fluid to the other drums
> and then to the disks. I adjusted it at a camp site and
> we continued on. The brakes continued to behave the same way. Push once
> and it felt like no vac. boost, pump and they became firm.
> By the time we did what we needed to in Portland and headed south on the
> I-5, Sharon said she heard a scraping sound. I looked all
> around and couldn't see anything. The brakes had the same odd behavior
> but always became firm with a couple of pumps.
>
> When we got home I put the coach up on jack stands. When I spun that DS
> rear wheel it sounded like a bucket of rocks tumbling
> around in there. Pulled the drum and found the adjuster mechanism had
> backed all the way in, came off and what was left of the
> adjusting mechanism was loose in the bottom of the drum. The bits and
> pieces looked like they had been through a rock tumbler.
> Fortunately they did not jam between the shoe and hub and that brake did
> not come further apart. Amazing that the brakes could work
> that well when one was completely non-functional!
>
> I pulled the matching brake on the PS, had both drums turned so they would
> be the same thickness (hence will dissipate heat the same
> way) and will replace the pads on both sides. I will also replace all the
> springs and such on the bad side as they may have become
> overly hot through all this.
>
> Alls well that ends well and we could not have asked more of this nearly
> 40 year old lady. She performed like the true champ she
> is.
>
> Jerry
> Jerry Work
> Fine furniture designed and hand crafted in the 1907 former Masonic Temple
> building in historic Kerby, OR
> glwork@mac.com
> http://jerrywork.com
> 541-592-5360
>
>
>
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
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| Re: [GMCnet] Half a trans Canada rolling rally, final report [message #182811 is a reply to message #182740] |
Sat, 01 September 2012 18:50 |
mickeysss
Messages: 1476
Registered: January 2012
Karma: 0
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Senior Member |
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i have these spring brakes on my vans the springs get hot and snap and slide around in the back brake drums but the brakes always work ok
to get to help. If you have a spare parts box on board a couple of spare brake spring kits is needed just in case. THey sound terrible when they
scrape around inside the brake drum. But do little harm most the time. If the peddle goes down more than normal the adjuster is backed off or needs
tightening and the main problem always is which way you take the screw driver and pry the wheel to tighten it. IF you do it the wrong way
it makes it worse and if the only way to know is to konw, so if anyone knows which way to pry to tighten the rear brake drums which way do you
pry for the passenger side and the drivers side to tighten the brakes back there?
On Sep 1, 2012, at 8:10 AM, Work Jerry wrote:
> We ended our wonderful "half trans Canada" rolling rally last week. We were with the group over to the Rockies when we headed south to meet up with family members. As I indicated earlier, the roads were some of the most intense we have encountered in our ten years with the GMC. 13% grades up and down, lots of 11% to 6% grades, some as long as 20km. One of the really harry drives was from Lewistown, ID, across the Clearwater river and down to Joseph, OR. Many have heard all about the "Lewiston Grade", but the road to the south is far steeper, more tight 15 to 20 mph curves right ahead of really steep climbs, etc. Great fun and a bit unnerving at times.
>
> A tad over 3,000 miles all told. Used one quart of oil and lots of fuel. The old girl really liked the 94 octane stuff in Canada with no alcohol in it. By the time we hit the passes in southern Oregon on our way home we were using crap gas again and it would ping on the hills if I really put my foot in it. Guess I will have to retard the distributor even a bit more.
>
> By the time we got back to Spokane and then down the Columbia River gorge towards Portland, OR, our brakes felt a bit odd. At one point it felt like the vac. booster had failed or the proportioning valve had stuck not allowing enough fluid to flow to the front disks. A bit of poking around discovered a very loose adjuster on the rear drivers side drum. It had backed off which required pumping to get the shoes to expand enough to pass fluid to the other drums and then to the disks. I adjusted it at a camp site and we continued on. The brakes continued to behave the same way. Push once and it felt like no vac. boost, pump and they became firm. By the time we did what we needed to in Portland and headed south on the I-5, Sharon said she heard a scraping sound. I looked all around and couldn't see anything. The brakes had the same odd behavior but always became firm with a couple of pumps.
>
> When we got home I put the coach up on jack stands. When I spun that DS rear wheel it sounded like a bucket of rocks tumbling around in there. Pulled the drum and found the adjuster mechanism had backed all the way in, came off and what was left of the adjusting mechanism was loose in the bottom of the drum. The bits and pieces looked like they had been through a rock tumbler. Fortunately they did not jam between the shoe and hub and that brake did not come further apart. Amazing that the brakes could work that well when one was completely non-functional!
>
> I pulled the matching brake on the PS, had both drums turned so they would be the same thickness (hence will dissipate heat the same way) and will replace the pads on both sides. I will also replace all the springs and such on the bad side as they may have become overly hot through all this.
>
> Alls well that ends well and we could not have asked more of this nearly 40 year old lady. She performed like the true champ she is.
>
> Jerry
> Jerry Work
> Fine furniture designed and hand crafted in the 1907 former Masonic Temple building in historic Kerby, OR
> glwork@mac.com
> http://jerrywork.com
> 541-592-5360
>
>
>
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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| Re: [GMCnet] Half a trans Canada rolling rally, final report [message #182819 is a reply to message #182810] |
Sat, 01 September 2012 19:39 |
Dwayne
Messages: 418
Registered: October 2007
Location: White Rock BC
Karma: 0
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Senior Member |
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Glad to hear you got together with Steve. So with the temp in the 90's
how's the coach inside - less or more than outside?
All systems working alright?
We met up with John Bell in Montreal ad he introduced us to Les Burt. When
we relocated campsites were just down the block from where Les and Rita
live. Glenn and I went over to have a look at
the work in progress that Les has spread out over his side and rear yard.
I am not sure whether Steve southworth or Les will win in being the first
to drive their coach off the grounds. Les brought Rita over to our
campsite this morning so she could get a look at coaches that were in a
"more" finished state. We can usually visualize the end result but trying
to describe it to our wife is difficult at the best of times for her to
grasp how we could fall in love with fiberglas, aluminum, metal, grease,
and come out smelling like gasoline and want to get back into it all the
more. Rita was happy to see the different coaches and talk to us. We had
primed our wives to only talk positive about GMC's. Most of us seem to
have so many undone projects on the go including finishing things in the
house that tend to matter more to our wife, so it's good for them to see
there is such happiness in traveling with their husbands in the
best motor home on earth - right!!!
From what I have witnessed on this trip, even the family Dog loves the ride.
So what could go wrong??? Well is something does there is always a phone
call to Jim Hupy or a few of the other Jim's, or there's the Black List
which I have referred to in making contact with wonderful people across
this Nation as well on the US side.
Today we have been celebrating Glenn's Birthday. He is somewhat shy about
it. You can send your wished direct to him
Glenn Gregory of Thunder Bay who is travelling with his lovely wife Darlene
(who just happens to be on the lookout for a Dog for yours truly) and their
Dog Cooper. ggregory@tbaytel.net
We siad our see yah laters to our Daughter Shannon and her family as they
headed back to Kitchener and we to Quebec City.
There is a bit of a dispute whether we fire our live woman or the one on
the GPS. Both have given wrong directives, however we have seen more
of the countryside that way.
We started out this morning and about 20 minutes out, sharon figures she
left one load of wash in the washer at the campsite. I pull over and call
the young lady at the site to check and sure enough our one load is
still in the washer. She agrees to put them in the dryer for us and back
we go, wait till the dryer finishes then
on the road again to catch up with Glenn and Sandi. (Sandi doesn't mind
breaks because it gives her time to do her geocache thing) who are waiting
in Druminville. Back on the road and some hairy stopping in heavy traffic.
We are now camped just outside Quebec City and will tour it tomorrow,
spend another night in this campsite then head into NB.
Still burning 91 grade gas - no pinging and great performance.
Tires seem to be wearing right.
Weather is great.
Regards
Dwayne & Sharon Jacobson
White Rock, BC
77 Kingsley
Rolling across Canada
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Dwayne & Sharon Jacobson
White Rock, BC
77 Eleganza II
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| Re: [GMCnet] Half a trans Canada rolling rally, final report [message #182853 is a reply to message #182811] |
Sat, 01 September 2012 22:06 |
C Boyd
Messages: 2629
Registered: April 2006
Karma: 18
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Senior Member |
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it makes it worse and if the only way to know is to konw, so if anyone knows which way to pry to tighten the rear brake drums which way do you
pry for the passenger side and the drivers side to tighten the brakes back there?
Sir: The adjuster hole is on the inside of the adjuster and below center, so you pry up which is the same as the adjuster arm on the outside of the adjuster pushing down. Right and left adjusters are specific but adjust the same way. The adjuster arm pushes down on the outside which is up thru the hole. I believe this to be pretty much standard on self adjusting drum brakes.
C. Boyd
76 Crestmont
East Tennessee
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| Re: [GMCnet] Half a trans Canada rolling rally, final report [message #182857 is a reply to message #182853] |
Sat, 01 September 2012 22:43 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Shortly after Stick bought his coach, he had a weird sounding R. rear
brake. We found it in pieces also. When we bought new parts for it, I
recognized that the first adjusting screw they offered us at O'Reilly's
worked the opposite to the one we had in hand. So we insisted on the
other one. We rebuilt both rear brakes, carefully keeping the parts
separated. Something didn't seem quite right as I manually adjusted them,
but having not done one in several years before that, I didn't know which
way the adjusting spoon should move.
Later, after Ross Hallman bought the coach and drove it home to Canada, he
had Frank Bohrmann go through the coach; he caught the fact that we had the
adjusting screws on the wrong sides -- apparently the P-PO had reversed
them and I didn't catch that fact!
As I said when I posted this tale back in Jan, 'Lessons: Don't ignore
nagging feelings. And be sure the adjusters are on the right sides
(better yet, install disc brakes)."
Ken H.
On Sat, Sep 1, 2012 at 11:06 PM, Charles Boyd wrote:
>
> it makes it worse and if the only way to know is to konw, so if anyone
> knows which way to pry to tighten the rear brake drums which way do you pry
> for the passenger side and the drivers side to tighten the brakes back
> there?
>
> Sir: The adjuster hole is on the inside of the adjuster and below center,
> so you pry up which is the same as the adjuster arm on the outside of the
> adjuster pushing down. Right and left adjusters are specific but adjust
> the same way. The adjuster arm pushes down on the outside which is up thru
> the hole. I believe this to be pretty much standard on self adjusting drum
> brakes.
> --
>
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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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