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All clean and nearly ready to go! [message #258417]

Sun, 10 August 2014 19:14

thorndike

Messages: 406
Registered: January 2011
Location: Conifer, Colorado

Karma: 0

Senior Member

Thanks to all the help I have received over the last few years, we are just about ready to roll.

I washed the coach today in preparation for sealing every seam crack I can find. I wanted to get all the dirt, pine needles, etc out of the cracks so the crack filler has a better chance. We are going to try a combination of fillers to see how well they work. I have a tube of 3m Drip Chek and a tube of Capt. Tolley's crack filler (http://www.captaintolley.com/ ) I had not heard of Capt. Tolley but it came highly recommended from another GMCer. I will let everyone know what I think when I am done.

I still have a few things to finish, but I expect to be able to join the Tidewater Crabs at their meet in two weeks.

Left to do:
- Install new brake caliper
- shorten my accelerator cable. It appears to be too long and as such, does not allow the secondary carb valves to open. This came from a long time GMCer so who am I to question! By removing the slack in the cable, we were able to get the carb to respond correctly.
- The switch located above the accelerator pedal that signals the transmission to downshift is not closing correctly. I need to clean and fix it, or replace the switch.

What I would like to accomlish, but may not have the time.
- I purchased a PD9260 and hoped to replace the buzz box. Unfortunately, my converter box contains my 12v fuse panel and is a single unit. To install the PD9260 I will need to install a seperate 12v panel and reroute the wires. Does anyone have suggestions for a good 12v fuse box?
- I believe I have a solution to my water tank problem and would like to get it done. If my idea works, I will let you all know.

Pictures..just because I am happy to see it clean and raring to go!

http://i.imgur.com/gZGAGie.jpg

http://i.imgur.com/gZGAGie.jpg

http://i.imgur.com/Hxre801.jpg

http://i.imgur.com/Hxre801.jpg

Thanks again to you all!

Robert Peesel 1976 Royale 26' Side Dry Bath Conifer, Colorado

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Re: [GMCnet] All clean and nearly ready to go! [message #258418 is a reply to message #258417]

Sun, 10 August 2014 19:35

jimk

Messages: 6734
Registered: July 2006
Location: Belmont, CA

Karma: 9

Senior Member

Looking good.

On Sun, Aug 10, 2014 at 5:14 PM, Robert Peesel wrote:

> Thanks to all the help I have received over the last few years, we are
> just about ready to roll.
>
> I washed the coach today in preparation for sealing every seam crack I can
> find. I wanted to get all the dirt, pine needles, etc out of the cracks so
> the crack filler has a better chance. We are going to try a combination
> of fillers to see how well they work. I have a tube of 3m Drip Chek and a
> tube of Capt. Tolley's crack filler (http://www.captaintolley.com/ ) I
> had not heard of Capt. Tolley but it came highly recommended from another
> GMCer. I will let everyone know what I think when I am done.
>
> I still have a few things to finish, but I expect to be able to join the
> Tidewater Crabs at their meet in two weeks.
>
> Left to do:
> - Install new brake caliper
> - shorten my accelerator cable. It appears to be too long and as such,
> does not allow the secondary carb valves to open. This came from a long
> time
> GMCer so who am I to question! By removing the slack in the cable, we
> were able to get the carb to respond correctly.
> - The switch located above the accelerator pedal that signals the
> transmission to downshift is not closing correctly. I need to clean and
> fix it, or
> replace the switch.
>
> What I would like to accomlish, but may not have the time.
> - I purchased a PD9260 and hoped to replace the buzz box. Unfortunately,
> my converter box contains my 12v fuse panel and is a single unit. To
> install the PD9260 I will need to install a seperate 12v panel and reroute
> the wires. Does anyone have suggestions for a good 12v fuse box?
> - I believe I have a solution to my water tank problem and would like to
> get it done. If my idea works, I will let you all know.
>
> Pictures..just because I am happy to see it clean and raring to go!
>
> http://i.imgur.com/gZGAGie.jpg
> http://i.imgur.com/Hxre801.jpg
>
> Thanks again to you all!
>
> --
> Robert Peesel
>
> 1976 Royale 26'
>
> Side Dry Bath
>
> Sterling, Va
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>

--
Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.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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Re: [GMCnet] All clean and nearly ready to go! [message #258434 is a reply to message #258417]

Sun, 10 August 2014 21:06

Ken Henderson

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

Karma: 9

Senior Member

Robert,

Looks like you're making great progress. Maybe these will help:

Check the manual for kickdown switch adjustment procedure: You only have
to slide it to "I don't remember which end" to reset it; final adjustment
is automatic -- maybe it doesn't need repair or cleaning.

When I eliminated the buzz box I just picked up a little 2x6 ATC fuse panel
from a junk yard. It's

Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach

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Re: [GMCnet] All clean and nearly ready to go! [message #258436 is a reply to message #258434]

Sun, 10 August 2014 21:21

thorndike

Messages: 406
Registered: January 2011
Location: Conifer, Colorado

Karma: 0

Senior Member

Thanks Ken,

Your advice helped get me to this point.

We put an ohm meter on the switch and never got it to close, so I am expecting to replace it. Do you know a source for these switches? I am afraid I don't even know what this switch is called.

Bob

Robert Peesel 1976 Royale 26' Side Dry Bath Conifer, Colorado

[Updated on: Sun, 10 August 2014 21:25]

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Re: [GMCnet] All clean and nearly ready to go! [message #258442 is a reply to message #258418]

Sun, 10 August 2014 22:16

werewilfs

Messages: 329
Registered: July 2012
Location: Rappahannock County, VA

Karma: 0

Senior Member

Looks great Bob!

Sent from Windows Mail

From: Robert Peesel
Sent: ‎Sunday‎, ‎August‎ ‎10‎, ‎2014 ‎8‎:‎15‎ ‎PM
To: gmclist@temp.gmcnet.org

Thanks to all the help I have received over the last few years, we are just about ready to roll.

I washed the coach today in preparation for sealing every seam crack I can find. I wanted to get all the dirt, pine needles, etc out of the cracks so
the crack filler has a better chance. We are going to try a combination of fillers to see how well they work. I have a tube of 3m Drip Chek and a
tube of Capt. Tolley's crack filler (http://www.captaintolley.com/ ) I had not heard of Capt. Tolley but it came highly recommended from another
GMCer. I will let everyone know what I think when I am done.

I still have a few things to finish, but I expect to be able to join the Tidewater Crabs at their meet in two weeks.

Left to do:
- Install new brake caliper
- shorten my accelerator cable. It appears to be too long and as such, does not allow the secondary carb valves to open. This came from a long time
GMCer so who am I to question! By removing the slack in the cable, we were able to get the carb to respond correctly.
- The switch located above the accelerator pedal that signals the transmission to downshift is not closing correctly. I need to clean and fix it, or
replace the switch.

What I would like to accomlish, but may not have the time.
- I purchased a PD9260 and hoped to replace the buzz box. Unfortunately, my converter box contains my 12v fuse panel and is a single unit. To
install the PD9260 I will need to install a seperate 12v panel and reroute the wires. Does anyone have suggestions for a good 12v fuse box?
- I believe I have a solution to my water tank problem and would like to get it done. If my idea works, I will let you all know.

Pictures..just because I am happy to see it clean and raring to go!

http://i.imgur.com/gZGAGie.jpg
http://i.imgur.com/Hxre801.jpg

Thanks again to you all!

--
Robert Peesel

1976 Royale 26'

Side Dry Bath

Sterling, Va
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Jared & Stefanie Kohl Rappahannock County, VA 1973 Painted Desert "Onslow"

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Re: All clean and nearly ready to go! [message #258445 is a reply to message #258417]

Sun, 10 August 2014 22:41

roy1

Messages: 2126
Registered: July 2004
Location: Minden nevada

Karma: 6

Senior Member

Good looking coach. If the up shift on your tranny is as hard as mine was I wouldn't use it. I unplugged mine too keep from breaking it.

Roy Keen Minden,NV 76 X Glenbrook

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Re: All clean and nearly ready to go! [message #258446 is a reply to message #258445]

Sun, 10 August 2014 22:52

lotsofspareparts

Messages: 726
Registered: May 2014
Location: Arlington, WA

Karma: -9

Senior Member

roy1 wrote on Sun, 10 August 2014 20:41

Good looking coach. If the up shift on your tranny is as hard as mine was I wouldn't use it. I unplugged mine too keep from breaking it.

That's funny cause I was rooting around under my dash removing the countless miles of wiring that went to nothing and discovered that my down shift switch was also disconnected.

My transmission upshifts and down shifts normal if I were to compare it to how my other vehicles shift.

I have a switch pitch transmission also with a manual pushbutton and a high/low toggle, not sure if that would make any difference.

What is the purpose of the switch? It is obvious that it makes a contact at WOT or just before then. I was under the impression that these transmissions relied on a TV cable for shift control.

Curious,

Jared

Jared & Tina Lazaron + 14yr old Daughter..... 77 Eleganza II "Recherché"..... 73 Canyon Lands 230 "Elephant"

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Re: All clean and nearly ready to go! [message #258448 is a reply to message #258417]

Sun, 10 August 2014 22:59

bpimm

Messages: 211
Registered: June 2013
Location: Washougal Washington

Karma: 2

Senior Member

Nice looking coach!

Fuse blocks, several to choose from.

http://www.rallylights.com/all/electrical/fuse-blocks.html

Brian & RaeDean 1973 26' #383 Washougal WA

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Re: All clean and nearly ready to go! [message #258449 is a reply to message #258446]

Sun, 10 August 2014 23:13

Otterwan

Messages: 946
Registered: July 2013
Location: Lynnwood (north of Seattl...

Karma: 0

Senior Member

lotsofspareparts wrote on Sun, 10 August 2014 20:52

roy1 wrote on Sun, 10 August 2014 20:41
Good looking coach. If the up shift on your tranny is as hard as mine was I wouldn't use it. I unplugged mine too keep from breaking it.

That's funny cause I was rooting around under my dash removing the countless miles of wiring that went to nothing and discovered that my down shift switch was also disconnected.

My transmission upshifts and down shifts normal if I were to compare it to how my other vehicles shift.

I have a switch pitch transmission also with a manual pushbutton and a high/low toggle, not sure if that would make any difference.

What is the purpose of the switch? It is obvious that it makes a contact at WOT or just before then. I was under the impression that these transmissions relied on a TV cable for shift control.

Curious,

Jared

The switch makes a forced downshift when you floor the gas pedal. The main purpose is for quick acceleration as when passing. The same system is used on Turbo 400 transmissions in cars and trucks. The Turbo 350 uses a cable from the throttle lever to the transmission to accomplish the same thing.

1977 Birchaven, Lynnwood WA - "We may not be able to stop all evil in the world, but I know that how we treat one another is entirely up to us."

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Re: All clean and nearly ready to go! [message #258450 is a reply to message #258449]

Sun, 10 August 2014 23:15

lotsofspareparts

Messages: 726
Registered: May 2014
Location: Arlington, WA

Karma: -9

Senior Member

Otterwan wrote on Sun, 10 August 2014 21:13

lotsofspareparts wrote on Sun, 10 August 2014 20:52
roy1 wrote on Sun, 10 August 2014 20:41
Good looking coach. If the up shift on your tranny is as hard as mine was I wouldn't use it. I unplugged mine too keep from breaking it.

That's funny cause I was rooting around under my dash removing the countless miles of wiring that went to nothing and discovered that my down shift switch was also disconnected.

My transmission upshifts and down shifts normal if I were to compare it to how my other vehicles shift.

I have a switch pitch transmission also with a manual pushbutton and a high/low toggle, not sure if that would make any difference.

What is the purpose of the switch? It is obvious that it makes a contact at WOT or just before then. I was under the impression that these transmissions relied on a TV cable for shift control.

Curious,

Jared

The switch makes a forced downshift when you floor the gas pedal. The main purpose is for quick acceleration as when passing. The same system is used on Turbo 400 transmissions in cars and trucks. The Turbo 350 uses a cable from the throttle lever to the transmission to accomplish the same thing.

What is currently allowing my transmission to down shift when I accelerate at say half throttle?

Thanks Dave,

Jared

Jared & Tina Lazaron + 14yr old Daughter..... 77 Eleganza II "Recherché"..... 73 Canyon Lands 230 "Elephant"

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Re: [GMCnet] All clean and nearly ready to go! [message #258472 is a reply to message #258450]

Mon, 11 August 2014 06:37

bdub

Messages: 1578
Registered: February 2004
Location: Central Texas

Karma: 5

Senior Member

Modulator

On Aug 10, 2014 11:16 PM, "Jared" wrote:
>
> What is currently allowing my transmission to down shift when I
accelerate at say half throttle?
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Re: [GMCnet] All clean and nearly ready to go! [message #258495 is a reply to message #258418]

Mon, 11 August 2014 10:05

Jim at the Co-op

Messages: 291
Registered: May 2014
Location: Orlando Florida

Karma: 2

Senior Member

Adjustment of the vacuum operating range the modulator is set at. Original modulators cannot be chsnged but new ones can. The trans needs a home run vacuum connection to assure proper shifting speeds.

Jim Bounds

Sent from my T-Mobile 4G LTE Device

-------- Original message --------
From: Billy Massey
Date: 08/11/2014 7:37 AM (GMT-05:00)
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] All clean and nearly ready to go!

Modulator

On Aug 10, 2014 11:16 PM, "Jared" wrote:
>
> What is currently allowing my transmission to down shift when I
accelerate at say half throttle?
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Re: All clean and nearly ready to go! [message #258500 is a reply to message #258450]

Mon, 11 August 2014 11:35

Otterwan

Messages: 946
Registered: July 2013
Location: Lynnwood (north of Seattl...

Karma: 0

Senior Member

lotsofspareparts wrote on Sun, 10 August 2014 21:15

What is currently allowing my transmission to down shift when I accelerate at say half throttle?

Thanks Dave,

Jared

The switch makes a forced downshift, regardless of vacuum, road speed, etc. Normally vacuum would cause the downshift via the modulator, regardless of throttle position.

1977 Birchaven, Lynnwood WA - "We may not be able to stop all evil in the world, but I know that how we treat one another is entirely up to us."

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Re: All clean and nearly ready to go! [message #258517 is a reply to message #258500]

Mon, 11 August 2014 17:21

tphipps

Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL

Karma: 9

Senior Member

West Marine is a very good source for 12v fuse blocks. Marine grade so may be a little pricey. I use one to manage my auxiliary 12v items, instead of wiring into the OEM fuse block. I really hate cutting wires.
Tom, MS ii

2012 Phoenix Cruiser model 2552 KA4CSG

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Re: [GMCnet] All clean and nearly ready to go! [message #258581 is a reply to message #258517]

Tue, 12 August 2014 10:37

sgltrac

Messages: 2797
Registered: April 2011

Karma: 1

Senior Member

West marine was the ONLY local place I could find to walk in and buy a quality fuse panel with enough circuits for the house.

Todd Sullivan

Sully
77 royale
Seattle

> On Aug 11, 2014, at 3:22 PM, Thomas Phipps wrote:
>
> West Marine is a very good source for 12v fuse blocks. Marine grade so may be a little pricey. I use one to manage my auxiliary 12v items, instead
> of wiring into the OEM fuse block. I really hate cutting wires.
> Tom, MS ii
> --
> 1975 GMC Avion
> _______________________________________________
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Sully 77 Royale basket case. Future motorhome land speed record holder(bucket list) Seattle, Wa.

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Re: [GMCnet] All clean and nearly ready to go! [message #258646 is a reply to message #258436]

Tue, 12 August 2014 21:24

Bob de Kruyff

Messages: 4260
Registered: January 2004
Location: Chandler, AZ

Karma: 1

Senior Member

thorndike wrote on Sun, 10 August 2014 20:21

Thanks Ken,

Your advice helped get me to this point.

We put an ohm meter on the switch and never got it to close, so I am expecting to replace it. Do you know a source for these switches? I am afraid I don't even know what this switch is called.

Bob

I never saw what your original question was, but 3 things control your up and downshifting--the vacuum modulator, the kick down switch and the governor. The kickdown switches hardly ever fail but are usually misadjusted. Most of the time it is due to a bent throttle lever that won't actuate the switch. If it is the switch, just search for transmission kick down switch on your favourite auto supplier websites.

Bob de Kruyff
78 Eleganza
Chandler, AZ

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Re: All clean and nearly ready to go! [message #258647 is a reply to message #258446]

Tue, 12 August 2014 21:28

Bob de Kruyff

Messages: 4260
Registered: January 2004
Location: Chandler, AZ

Karma: 1

Senior Member

lotsofspareparts wrote on Sun, 10 August 2014 21:52

roy1 wrote on Sun, 10 August 2014 20:41
Good looking coach. If the up shift on your tranny is as hard as mine was I wouldn't use it. I unplugged mine too keep from breaking it.

That's funny cause I was rooting around under my dash removing the countless miles of wiring that went to nothing and discovered that my down shift switch was also disconnected.

My transmission upshifts and down shifts normal if I were to compare it to how my other vehicles shift.

I have a switch pitch transmission also with a manual pushbutton and a high/low toggle, not sure if that would make any difference.

What is the purpose of the switch? It is obvious that it makes a contact at WOT or just before then. I was under the impression that these transmissions relied on a TV cable for shift control.

Curious,

Jared

No TV cable on these units. The THM 200, and 350 used them as well as a few others in thei time frame.

Bob de Kruyff
78 Eleganza
Chandler, AZ

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Re: [GMCnet] All clean and nearly ready to go! [message #258655 is a reply to message #258646]

Tue, 12 August 2014 22:28

thorndike

Messages: 406
Registered: January 2011
Location: Conifer, Colorado

Karma: 0

Senior Member

I was hoping that I would just have to clean/adjust the switch. Unfortunately, when I opened it up, several small pieces of plastic fell out. These pieces were supposed to move the contact back and forth, but as they were on my workbench, they couldn't do it.

I ordered one from JimK.

Thanks!

Robert Peesel 1976 Royale 26' Side Dry Bath Conifer, Colorado

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Re: All clean and nearly ready to go! [message #258658 is a reply to message #258446]

Tue, 12 August 2014 23:24

roy1

Messages: 2126
Registered: July 2004
Location: Minden nevada

Karma: 6

Senior Member

lotsofspareparts wrote on Sun, 10 August 2014 20:52

roy1 wrote on Sun, 10 August 2014 20:41
Good looking coach. If the up shift on your tranny is as hard as mine was I wouldn't use it. I unplugged mine too keep from breaking it.

That's funny cause I was rooting around under my dash removing the countless miles of wiring that went to nothing and discovered that my down shift switch was also disconnected.

My transmission upshifts and down shifts normal if I were to compare it to how my other vehicles shift.

I have a switch pitch transmission also with a manual pushbutton and a high/low toggle, not sure if that would make any difference.

What is the purpose of the switch? It is obvious that it makes a contact at WOT or just before then. I was under the impression that these transmissions relied on a TV cable for shift control.

Curious,

Jared

It is possible the reason it was disconnected is because if it has a shift kit in it the up shift at wide open throttle it very hard and can damage the transmission . My trans has a very mild shift kit in it and with the kick down connected it up shifts too hard at open throttle. I also don't like it downshifting excessively when I don't need it to so I unplugged it. I believe Manny suggests not using it also.

Roy Keen Minden,NV 76 X Glenbrook

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Re: [GMCnet] All clean and nearly ready to go! [message #258788 is a reply to message #258655]

Wed, 13 August 2014 23:11

Bob de Kruyff

Messages: 4260
Registered: January 2004
Location: Chandler, AZ

Karma: 1

Senior Member

thorndike wrote on Tue, 12 August 2014 21:28

I was hoping that I would just have to clean/adjust the switch. Unfortunately, when I opened it up, several small pieces of plastic fell out. These pieces were supposed to move the contact back and forth, but as they were on my workbench, they couldn't do it.

I ordered one from JimK.

Thanks!

OOPS-- that definitely is a failure..

Bob de Kruyff
78 Eleganza
Chandler, AZ

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