Home » Public Forums » GMCnet » Emergency brake cable replacement
| Emergency brake cable replacement [message #348826] |
Wed, 02 October 2019 15:08  |
Kevin F
Messages: 31
Registered: August 2019
Location: MA
Karma: 0
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Hi Guys,
Going to be replacing the emergency brakes hopefully this weekend and any advise would be great. Everything from getting the coach in the air safely and doing no harm to the actual install and tweaking. Im only doing the sleeved sections (long and short cables) since the rest seem to be in good shape. The PO had recently put new brakes all around so the pads/springs should be in good order.
Thanx for all the help............. 
K
1977 GMC Royale 403
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| Re: [GMCnet] Emergency brake cable replacement [message #348843 is a reply to message #348836] |
Wed, 02 October 2019 19:49  |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Senior Member |
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Even when everything is new and properly adjusted, it lacks authority. The
only thing that really is foolproof, is wheel chocks.
Jim Hupy
At 7 feathers Casino at a GMCWS/GMC 49ers/ GMC CASCADERS Combined rally.
On Wed, Oct 2, 2019, 4:42 PM Matt Colie via Gmclist
wrote:
> Kevin F wrote on Wed, 02 October 2019 16:08
>> Hi Guys,
>> Going to be replacing the emergency brakes hopefully this weekend
> and any advise would be great. Everything from getting the coach in the air
>> safely and doing no harm to the actual install and tweaking. Im only
> doing the sleeved sections (long and short cables) since the rest seem to
> be in
>> good shape. The PO had recently put new brakes all around so the
> pads/springs should be in good order.
>>
>> Thanx for all the help............. :d
>>
>> K
>
> Kevin,
>
> If you have a (iirc) 9/16 (it might be 1/2) deep socket to make the things
> in the backplate let go, the rest is pretty straight forward.
>
> The system is tough to get balanced so it all works.
>
> Matt
> --
> Matt & Mary Colie - '73 Glacier 23 - Members GMCMI, GMCGL, GMCES
> Electronically Controlled Quiet Engine Cooling Fan
> OE Rear Drum Brakes with Applied Control Arms
> SE Michigan - Twixt A2 and Detroit
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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| Re: [GMCnet] Emergency brake cable replacement [message #348844 is a reply to message #348843] |
Wed, 02 October 2019 19:53 |
k2gkk
Messages: 4452
Registered: November 2009
Karma: -8
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Senior Member |
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The heavy solid rubber chocks with handle sold by Northern Tool are really good, stay put, and frequently go on sale, sometimes with free shipping. Shipping to a "local" store for pickup there is always free.
D C "Mac" Macdonald
Amateur Radio K2GKK
Since 30 November '53
USAF and FAA, Retired
Oklahoma City, OK
Member GMCMI & Classics
"The Money Pit"
TZE166V101966
'76 ex-Palm Beach
k2gkk + hotmail dot com
________________________________
From: Gmclist on behalf of James Hupy via Gmclist
Sent: Wednesday, October 2, 2019 19:49
To: gmclist@list.gmcnet.org
Cc: James Hupy
Subject: Re: [GMCnet] Emergency brake cable replacement
Even when everything is new and properly adjusted, it lacks authority. The
only thing that really is foolproof, is wheel chocks.
Jim Hupy
At 7 feathers Casino at a GMCWS/GMC 49ers/ GMC CASCADERS Combined rally.
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| Re: [GMCnet] Emergency brake cable replacement [message #348873 is a reply to message #348863] |
Thu, 03 October 2019 11:42 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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If you use it frequently and do maintenance it will serve you well.
Most of you won’t do it and complain .
We know how it improve it, but again we tell them they need to use it and
maintain service.
On Thu, Oct 3, 2019 at 9:19 AM James Hupy via Gmclist <
gmclist@list.gmcnet.org> wrote:
> You can make them as they left the factory, but they still are marginal at
> best. But, government regs being what they are, Maine and many other states
> are unbending on that stuff.
> Be very careful to not drive the coach with the brakes applied. It
> will smoke your rear brakes in short order.
> Jim Hupy
> Salem, Oregon
>
> On Thu, Oct 3, 2019, 7:20 AM Kevin via Gmclist
> wrote:
>
>> I agree that blocking the wheels is the best way to go to make sure the
>> coach stays put but to get an inspection sticker in MA I need the parking
>> brakes to be in good order.......
>> --
>> 1977 GMC Royale 403
>>
>> _______________________________________________
>> GMCnet mailing list
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--
Jim Kanomata
Applied/GMC, Newark,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] Emergency brake cable replacement [message #362548 is a reply to message #348843] |
Fri, 26 February 2021 21:02 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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Try appliedgmc.com
On Fri, Feb 26, 2021 at 7:01 PM Jim Kanomata wrote:
> Why dont you go to appliedrv.com and see all the parts that are
> available.
>
> On Fri, Feb 26, 2021 at 5:22 PM Matt Colie via Gmclist gmclist@list.gmcnet.org> wrote:
>
>> Husker92592 wrote on Fri, 26 February 2021 16:23
>>> The bad thing is it is no longer made so some of us are now stuck with
>> the under Engineered Factory system with new cables.
>>
>> Husker,
>>
>> I guess you skipped a groove somewhere back. Al Branscombe has been
>> supplying full cable sets with sheaves at the turns and all Stainless for a
>> very
>> long time. Unless you have had problems with the stock system? It can
>> be made to work just fine with some attention to details and basic
>> lubrication.
>>
>> Matt
>> --
>> Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL,
>> GMCES
>> Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum
>> Brakes with Applied Control Arms
>> SE Michigan - Near DTW - Twixt A2 and Detroit
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
>
>
> --
> Jim Kanomata
> Applied/GMC, Newark,CA
> jimk@appliedairfilters.com
> http://www.gmcrvparts.com
> 1-800-752-7502
>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.gmcrvparts.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] Emergency brake cable replacement [message #362549 is a reply to message #362547] |
Fri, 26 February 2021 21:01 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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Why dont you go to appliedrv.com and see all the parts that are available.
On Fri, Feb 26, 2021 at 5:22 PM Matt Colie via Gmclist <
gmclist@list.gmcnet.org> wrote:
> Husker92592 wrote on Fri, 26 February 2021 16:23
>> The bad thing is it is no longer made so some of us are now stuck with
> the under Engineered Factory system with new cables.
>
> Husker,
>
> I guess you skipped a groove somewhere back. Al Branscombe has been
> supplying full cable sets with sheaves at the turns and all Stainless for a
> very
> long time. Unless you have had problems with the stock system? It can be
> made to work just fine with some attention to details and basic
> lubrication.
>
> Matt
> --
> Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL,
> GMCES
> Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum
> Brakes with Applied Control Arms
> SE Michigan - Near DTW - Twixt A2 and Detroit
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.gmcrvparts.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] Emergency brake cable replacement [message #362551 is a reply to message #348858] |
Fri, 26 February 2021 22:50 |
Rick Staples
Messages: 126
Registered: May 2014
Location: Johnstown, Colorado, USA
Karma: -1
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Senior Member |
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As JimK said, once you get it working, you have to use it. I used to run a small repair shop in western MA, and told all my customers to use the parking brake EVERY time they parked, and release it EVERY time they drove. That way, it "will be there when you need it". Whether that be stopping in an emergency, or passing state inspection.
IIRC, Massachusetts required the inspector to apply the parking brake, place the car in first gear, and release the clutch. The parking brake was supposed to then stall the engine. Try that with a diesel Volkswagen! Especially if some fool had set the idle just bit high, some of them would drag the rear wheels across the floor!
With automatics, I think they applied enough gas to make the car move, then released the gas and the car must stop immediately. If EVERYTHING is right, our GMCs should have little trouble doing that. Just be sure to adjust the rear brakes first, with parking brake cables slack, THEN adjust the cables. Replacing the OEM cable guides and "equalizers" (if only they did!) with pulleys should help too. Good luck!
Rick Staples
Rick Staples, '75 Eleganza, Johnstown, CO
"Advice is a dangerous gift, even from the Wise to the Wise, and all paths may run ill." -Tolkien
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| Re: [GMCnet] Emergency brake cable replacement [message #362556 is a reply to message #362551] |
Sat, 27 February 2021 12:29 |
Bill Van Vlack
Messages: 419
Registered: September 2015
Location: Guemes Island, Washington
Karma: 14
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Senior Member |
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I believe Albert Branscombe is no longer making his kit. The Applied website shows what looks like his kit as being currently unavailable. Re: line lock; A friend acquired a coach with that system and once set, could not release it. Had to briefly bleed a wheel cylinder to release pressure. A few folks are using linear actuators to set the rear drums; downside is that the cable length has to be re-adjusted as brake shoes wear. I drove an ice cream truck in the 60s that had the same lever operated e-brake as our GMCs and it worked just fine holding on a grade in Pittsburgh so that I could go to the back and send milk shakes out of the side window. Shorter truck and just two rear wheels.
It's always seemed strange to me that the OEM system relies on steel cables making turns under tension by sliding over a steel hook. More tension, more friction.
Bill Van Vlack
'76 Royale; Guemes Island, Washington; Twin bed, full (DS) side bath, Brazilian Redwood counter and settee tops,455, 6KW generator; new owner a/o mid November 2015.
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