Home » Public Forums » GMCnet » Disc Brakes/Reaction Arm Install
| Disc Brakes/Reaction Arm Install [message #137031] |
Mon, 01 August 2011 10:47  |
Carl S.
Messages: 4186
Registered: January 2009
Location: Tucson, AZ.
Karma: 13
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I got a start on installing the disc brakes and reaction arm system yesterday afternoon. I will continue to post pics as I progress:
http://www.gmcmhphotos.com/photos/showgallery.php?cat=5831
This is a very well made/engineered system. When you look at all the precision machining and fabrication of these parts, you will understand the high cost. For those of you that have driven a coach with this system installed, you already know the value of having GREAT brakes.
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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| Re: Disc Brakes/Reaction Arm Install [message #137085 is a reply to message #137031] |
Mon, 01 August 2011 15:29  |
Glenn
Messages: 92
Registered: February 2004
Location: Northwestern Ontario
Karma: 2
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Just a heads up. I would put some thread sealer on the bleeder screws. Just finnished this job and had a real hard time getting the screws to stop leaking. To the point that I broke one. In 30 years of doing brake jobs have never had this problem. Could be the "refurbished parts".
HTH.........
Glenn
76 Glensbroke
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| Re: Disc Brakes/Reaction Arm Install [message #137088 is a reply to message #137085] |
Mon, 01 August 2011 16:01 |
Carl S.
Messages: 4186
Registered: January 2009
Location: Tucson, AZ.
Karma: 13
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Senior Member |
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| Glenn wrote on Mon, 01 August 2011 13:29 |
Just a heads up. I would put some thread sealer on the bleeder screws. Just finnished this job and had a real hard time getting the screws to stop leaking. To the point that I broke one. In 30 years of doing brake jobs have never had this problem. Could be the "refurbished parts".
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OK, thanks. I have never run across that problem before either, but I'll certainly consider it.
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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| Re: Disc Brakes/Reaction Arm Install [message #137132 is a reply to message #137088] |
Mon, 01 August 2011 20:39 |
Glenn
Messages: 92
Registered: February 2004
Location: Northwestern Ontario
Karma: 2
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Member |
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Robert
You are correct the fluid was leaking through the threads. I tightened the bleeders a little at a time to try and stop to no avail. As stated has not happened to me previously. Also as I pull wrenches for a living I could tell they were going to break before it happened
HTH.........
Glenn
76 Glensbroke
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| Re: [GMCnet] Disc Brakes/Reaction Arm Install [message #137144 is a reply to message #137135] |
Mon, 01 August 2011 23:57 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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Beings that all the brake manufactures are getting them from RED
China, were getting crap, not Chinese cooking.
We have the new reaction arm kit to fit the TSM Caliper units now.
We are also taking orders for the Disc / Aulgur Reaction Arm Kit for the Fall.
We need to gather 12-15 orders to save $400-500 for the users.
On Mon, Aug 1, 2011 at 7:14 PM, Rob Mueller <robmueller@iinet.net.au> wrote:
> Glenn,
>
> So that means the tapers were shot!
>
> Time for new calipers / wheel cylinders?
>
> Hey, I just noticed your signature - 76 Glensbroke! Clever!
>
> Regards,
> Rob M.
> Sydney, Australia
> AUS '75 Avion-The Blue Streak TZE365V100428
> USA '75 Avion-Double Trouble TZE365V100426
>
> -----Original Message-----
> From: Glenn Gregory
>
> Robert
> You are correct the fluid was leaking through the threads. I tightened the
> bleeders a little at a time to try and stop to no avail. As stated has not
> happened to me previously. Also as I pull wrenches for a living I could tell
> they were going to break before it happened
> --
> HTH.........
> Glenn
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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--
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] Disc Brakes/Reaction Arm Install [message #137156 is a reply to message #137132] |
Tue, 02 August 2011 07:11 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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Senior Member |
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What's the chances either the bottom of the bore or the tip of the screw has got pitted over the years? I've had it happen in the bore.And old master machinist took a mill and redid the bottom of the bore on a set of wheel cylinders made of unobtanium for me once. The bleed screws just seated a 16th or so lower.
--johnny
--- On Tue, 8/2/11, Glenn Gregory <ggregory@tbaytel.net> wrote:
From: Glenn Gregory <ggregory@tbaytel.net>
Subject: Re: [GMCnet] Disc Brakes/Reaction Arm Install
To: gmclist@temp.gmcnet.org
Date: Tuesday, August 2, 2011, 1:39 AM
Robert
You are correct the fluid was leaking through the threads. I tightened the bleeders a little at a time to try and stop to no avail. As stated has not happened to me previously. Also as I pull wrenches for a living I could tell they were going to break before it happened
--
HTH.........
Glenn
76 Glensbroke
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Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: [GMCnet] Disc Brakes/Reaction Arm Install [message #137159 is a reply to message #137157] |
Tue, 02 August 2011 07:23 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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Senior Member |
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Makes ya wonder if they milled the seats, and if the angle's right. Take a screw, clean the tip and coat it with an eraseable marker. Then seat it and remove it and see if you have a seal all the way around (marker missing in a complete circle).
Or, if they're new rebuilds, return for a set that work.
--johnny
--- On Tue, 8/2/11, Glenn Gregory <ggregory@tbaytel.net> wrote:
From: Glenn Gregory <ggregory@tbaytel.net>
Subject: Re: [GMCnet] Disc Brakes/Reaction Arm Install
To: gmclist@temp.gmcnet.org
Date: Tuesday, August 2, 2011, 12:19 PM
Seats could be the problem. But as stated everything new. The calipers were remanufactured according to the box.
--
HTH.........
Glenn
76 Glensbroke
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Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: [GMCnet] Disc Brakes/Reaction Arm Install [message #137172 is a reply to message #137031] |
Tue, 02 August 2011 09:07 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Senior Member |
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Carl, there are actually two different tapers on bleeder screws in the SAE
or US system. I don't know if the metric stuff has more than one, but none
of them will interchange. It could be that the seats were not machined and
left the Asian continent that way. Take out your bleeders, clean out the
bores, put a little prussian blue on the bleeder screws, screw them in and
then remove them & see what kind of a mark it leaves on the bleeder tip. It
should not be very wide 1/16" or less. If it is more than that, you can't
get a good seal between the bleeder & the seat & it will leak.
Jim Hupy
Salem, OR
78 GMC Royale 403
On Mon, Aug 1, 2011 at 8:47 AM, Carl Stouffer <carljr3b@yahoo.com> wrote:
>
>
> I got a start on installing the disc brakes and reaction arm system
> yesterday afternoon. I will continue to post pics as I progress:
>
> http://www.gmcmhphotos.com/photos/showgallery.php?cat=5831
>
> This is a very well made/engineered system. When you look at all the
> precision machining and fabrication of these parts, you will understand the
> high cost. For those of you that have driven a coach with this system
> installed, you already know the value of having GREAT brakes.
> --
> Carl S.
> '75 ex Palm Beach
> Tucson, AZ.
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
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| Re: [GMCnet] Disc Brakes/Reaction Arm Install [message #137185 is a reply to message #137144] |
Tue, 02 August 2011 11:19 |
Carl S.
Messages: 4186
Registered: January 2009
Location: Tucson, AZ.
Karma: 13
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Senior Member |
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| jimk wrote on Mon, 01 August 2011 21:57 |
Beings that all the brake manufactures are getting them from RED
China, were getting crap, not Chinese cooking.
We have the new reaction arm kit to fit the TSM Caliper units now.
We are also taking orders for the Disc / Aulgur Reaction Arm Kit for the Fall.
We need to gather 12-15 orders to save $400-500 for the users.
Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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Gee, it sounds like I should have waited. How about us early birds? Are we going to get e rebate?
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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| Re: [GMCnet] Disc Brakes/Reaction Arm Install [message #137186 is a reply to message #137172] |
Tue, 02 August 2011 11:21 |
Carl S.
Messages: 4186
Registered: January 2009
Location: Tucson, AZ.
Karma: 13
|
Senior Member |
|
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| James Hupy wrote on Tue, 02 August 2011 07:07 |
Carl, there are actually two different tapers on bleeder screws in the SAE
or US system. I don't know if the metric stuff has more than one, but none
of them will interchange. It could be that the seats were not machined and
left the Asian continent that way. Take out your bleeders, clean out the
bores, put a little prussian blue on the bleeder screws, screw them in and
then remove them & see what kind of a mark it leaves on the bleeder tip. It
should not be very wide 1/16" or less. If it is more than that, you can't
get a good seal between the bleeder & the seat & it will leak.
Jim Hupy
Salem, OR
78 GMC Royale 403
GMCnet mailing list
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Jim, I'm not that far along yet and don't anticipate any problems with the bleeder screws, but I'll check that as a precaution. Thanks.
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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