Home » Public Forums » GMCnet » Re: [GMCnet] GMC Parking Brake
| Re: [GMCnet] GMC Parking Brake [message #267854] |
Fri, 19 December 2014 10:28  |
Tom Whitton
Messages: 235
Registered: February 2004
Location: Paducah, KY
Karma: 0
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My friend Bob Stone is working on a smooth operating parking brake system for rear drum brakes using locally available hardware. It takes out cable to metal contact points using pulleys. My coach is a test bed and my parking brake is actually holding for the first time in the 14-years I've owned it. Bob intends to share his design along with a list of parts and installation instructions at no charge.
He doesn't have a computer and asked me to ask GMC Net members if they ever successfully use the adjustment screw on the driver parking brake handle. Bob will appreciate comments and input on this question.
Thanks,
Tom Whitton
26 foot updated GMC
Paducah, KY
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| Re: [GMCnet] GMC Parking Brake [message #267862 is a reply to message #267854] |
Fri, 19 December 2014 13:16  |
kerry pinkerton
Messages: 2565
Registered: July 2012
Location: Harvest, Al
Karma: 15
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My Manny Brake parking brake is pretty minimal but if I turn the knob and pull it as tight as I can, it will hold enough that I feel it if I try to drive off. Anything that increases the amount of pull I can get to the brake assembly without having to overcome the friction of the stock cable setup will be a plus.
When I really need a parking brake, I use the KISS Brake until I can chock the downhill side of the wheel. No knob turning necessary.
Kerry Pinkerton - North Alabama
Had 5 over the years. Currently have a '06 Fleetwood Discovery 39L
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| Re: [GMCnet] GMC Parking Brake [message #267864 is a reply to message #267854] |
Fri, 19 December 2014 15:02 |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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Tom Whitton wrote on Fri, 19 December 2014 09:28My friend Bob Stone is working on a smooth operating parking brake system for rear drum brakes using locally available hardware. It takes out cable to metal contact points using pulleys. My coach is a test bed and my parking brake is actually holding for the first time in the 14-years I've owned it. Bob intends to share his design along with a list of parts and installation instructions at no charge.
He doesn't have a computer and asked me to ask GMC Net members if they ever successfully use the adjustment screw on the driver parking brake handle. Bob will appreciate comments and input on this question.
Thanks,
Tom Whitton
26 foot updated GMC
Paducah, KY
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I don't use my parking brake very often but it does work well and I have used the adjustment knob a few times in the 20 years I've owned it.
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: [GMCnet] GMC Parking Brake [message #267888 is a reply to message #267854] |
Fri, 19 December 2014 19:36 |
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mike miller
Messages: 3576
Registered: February 2004
Location: Hillsboro, Oregon
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Tom Whitton wrote on Fri, 19 December 2014 08:28... He doesn't have a computer and asked me to ask GMC Net members if they ever successfully use the adjustment screw on the driver parking brake handle. ...
Tom,
The PO of my '78 lived on a hill and often parked the coach on the street. He had the parking brake set-up so it would hold. He had the cables so tight that the brakes would drag going down the road. I had to back these off to keep the brakes reasonably cool.
Bottom like: The hand brake actually works.... pretty much. But to get it to hold on any kind of a slope, the knob on the handle needs cranked out.
Mike Miller -- Hillsboro, OR -- on the Black list
(#2)`78 23' Birchaven Rear Bath -- (#3)`77 23' Birchaven Side Bath
More Sidekicks than GMC's and a late model Malibu called 'Boo'
http://m000035.blogspot.com
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| Re: [GMCnet] GMC Parking Brake [message #267889 is a reply to message #267854] |
Fri, 19 December 2014 19:37 |
Steve
Messages: 506
Registered: September 2013
Location: East Greenville, Pa
Karma: 1
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I have the Albert Branscombe stainless steel, Teflon, and pully parking brake cable system. I had to do something because my cables were rusted solid, broken, or missing in places. My parking brakes work great. This is a extremely high quality system, but is not inexpensive. I would highly recommend it. The cable system is Worth every penny IMHO. I had Ken Frey install and adjust.
It would be nice for some to have a have a less expensive alternative using common hardware.
1978 GMC Royal
Eastern Pennslyvania
1968 Chevrolet C20 396 Camper Special
1969 Chevrolet C20 Camper Special
1985 Buick Electra Park Avenue
1992 Camaro 25th Anniversary Heretage Edition Black
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| Re: [GMCnet] GMC Parking Brake [message #267910 is a reply to message #267889] |
Sat, 20 December 2014 03:36 |
Mr ERFisher
Messages: 7117
Registered: August 2005
Karma: 2
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On Fri, Dec 19, 2014 at 5:37 PM, Steve Adams wrote:
>
> I have the Albert Branscombe stainless steel, Teflon, and pully parking
> brake cable system. I had to do something because my cables were rusted
> solid,
> broken, or missing in places. My parking brakes work great. This is a
> extremely high quality system, but is not inexpensive. I would highly
> recommend
> it. The cable system is Worth every penny IMHO. I had Ken Frey install
> and adjust.
>
> It would be nice for some to have a have a less expensive alternative
> using common hardware.
>
being an old truck driver
this is all i ever use, with disks, or drums
http://gmcmotorhome.info/BRKLOCK.html
this is something you can add for use when everything fails
erf
> --
> 1978 GMC Royal
> Eastern Pennslyvania
> 1968 Chevrolet C20 396 Camper Special
> 1969 Chevrolet C20 Camper Special
> 1985 Buick Electra Park Avenue
> 1992 Camaro 25th Anniversary Heretage Edition Black
>
> _______________________________________________
> GMCnet mailing list
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>
--
Gene Fisher -- 74-23,77PB/ore/ca
“Give a man a fish; you have fed him for today --- give him a URL and
-------
http://gmcmotorhome.info/
Alternator Protection Cable
http://gmcmotorhome.info/APC.html
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| Re: [GMCnet] GMC Parking Brake [message #267914 is a reply to message #267910] |
Sat, 20 December 2014 08:04 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Gene,
I've never liked line locks because of the fear of a tiny hydraulic leak
releasing the brakes. My solution to that fear is a pneumatic cylinder
mounted beneath the floorboard under the brake pedal. A chain attaches the
cylinder to the brake pedal.
I installed that 'way back when I did the EBC yellow brake pad tests to
enable me to use consistent pedal pressures. After leaving it there idle
for a few years, it occurred to me about 3 years ago to make use of it.
So, I added a control switch, a 100/85 psi pressure switch, a dump valve,
and a tiny compressor. With the ignition OFF or ON, the control switch can
activate the compressor, pulling the pedal down with 140 lbf. If the
pressure drops below 85 psi, the compressor comes back on. Since that only
happens for
Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] GMC Parking Brake [message #267917 is a reply to message #267854] |
Sat, 20 December 2014 08:41 |
Steve
Messages: 506
Registered: September 2013
Location: East Greenville, Pa
Karma: 1
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Gene,
I'll add a line lock to my wish list,
but to go on my 1968 Chevy big block powered truck. They are great for burn outs and I have a bunch of old 16.5 tires I need to use up.
Big block, line lock, and locker rear end would make a good combination for those old tires. I have a sey of 16.5 rims and a buddy with a tire changer.
1978 GMC Royal
Eastern Pennslyvania
1968 Chevrolet C20 396 Camper Special
1969 Chevrolet C20 Camper Special
1985 Buick Electra Park Avenue
1992 Camaro 25th Anniversary Heretage Edition Black
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| Re: [GMCnet] GMC Parking Brake [message #267921 is a reply to message #267919] |
Sat, 20 December 2014 10:34 |
kerry pinkerton
Messages: 2565
Registered: July 2012
Location: Harvest, Al
Karma: 15
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Senior Member |
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Mr ERFisher wrote on Sat, 20 December 2014 09:46Kool, Are you going to sell them now?
No, never...don't want the liability for the buck a piece profit. But anyone with half a brain can make one with my blessing. If you can screw a bolt out, put an eyebolt in, and assemble a couple pieces of other threaded stuff, you're done.
Downside is the brake lights stay on but that just helps me remember that it was a TEMPORARY EMERGENCY PARKING BRAKE!
Kerry Pinkerton - North Alabama
Had 5 over the years. Currently have a '06 Fleetwood Discovery 39L
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| Re: [GMCnet] GMC Parking Brake [message #267922 is a reply to message #267854] |
Sat, 20 December 2014 10:40 |
dwayne jacobson[1]
Messages: 345
Registered: July 2009
Karma: 0
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I like this idea. Living on the slopes is a problem when I am moving the coach without someone to put the wheel clogs under.
Dwayne Jacobson
77 kingley with
Sent from Samsung tabletKerry Pinkerton wrote:Mr ERFisher wrote on Sat, 20 December 2014 09:46
> Kool, Are you going to sell them now?
No, never...don't want the liability for the buck a piece profit. But anyone with half a brain can make one with my blessing. If you can screw a
bolt out, put an eyebolt in, and assemble a couple pieces of other threaded stuff, you're done.
Downside is the brake lights stay on but that just helps me remember that it was a TEMPORARY EMERGENCY PARKING BRAKE!
--
Kerry Pinkerton
North Alabama, near Huntsville,
77 Eleganza II, "The Lady", 403CI, Manny Brakes, 1 ton, tranny also a 76 Eleganza to be re-bodied as an Art Deco car hauler
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| Re: [GMCnet] GMC Parking Brake [message #267924 is a reply to message #267854] |
Sat, 20 December 2014 10:54 |
Tom Whitton
Messages: 235
Registered: February 2004
Location: Paducah, KY
Karma: 0
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Gentlemen,
Thanks for your answers to Bob Stone's parking brake question. I have printed them out and will send them to Bob today. As I understand it, this is a work in progress. When he has everything ready I will put it on the Net. Please stand by.
All the best,
Tom Whitton
26 foot updated GMC
Paducah, KY
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| Re: [GMCnet] GMC Parking Brake [message #267937 is a reply to message #267921] |
Sat, 20 December 2014 17:09 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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G'day,
I was at Kerry's place visiting awhile back and he helped me make one of these. The best way to install the KISS parking brake is to
depress the brake pedal, install the KISS PB, screw it down until the pedal is restrained, then take your foot off the pedal.
Background information: Double Trouble has disk brakes on the middle axles and drum on the rear, a P-3 master cylinder, and a
sensitized booster.
To test my new toy I decided to install it and see if the engine could overpower the brakes. I figger'd I'd REALLY STOMP on the
brake pedal to make sure they were engaged to the max. The test worked fine and I left the KISS brake installed for until Kerry
asked to drive Double Trouble to see how the middle disks and sensitized booster effected braking. We pulled out of his driveway and
headed down a slight hill towards the main street that connects to the highway. As Kerry pulled up to make a right turn he said;
"there's no brakes!" He was able to stop by mashing on the pedal really hard and we returned to his home slowly. It turned out that
brake failure was caused when one of the braided SS lines custom made for the rear brakes by a hydraulic hose company in Orlando
failed. The line blew off the fitting. I believe it happened because I REALLY STOMPED on the brake pedal before installing the KISS
PB and left the brakes applied for a fairly long period. AFAIC this incident was a GOOD THING; it could have happened during a high
speed stop.
We went down to the local Advance Auto Store that Kerry's son (or son in law) manages and he rummaged through all the brake lines
until we found one that would work. We installed it and Bob's your Uncle Double Trouble was back in business!
I returned the blown line to the manufacturer in Orlando and asked for a replacement under warranty and a second duplicate hose as a
spare. I was told that it was out of warranty and that I would have to pay for two hoses which I did. When they arrived I noted that
the new hoses did NOT use the same end fittings and wondered if the company had suffered a lot of failures. Unfortunately at the
time I did not have the presence of mind to photograph the "defective" and new hoses.
It's a good thing I wasn't in Orlando when this failure occurred as I might have visited the hydraulic brake hose company with the
KISS PB!
http://tinyurl.com/mjhage4
Regards,
Rob M.
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
-----Original Message-----
From: Kerry Pinkerton
Mr ERFisher wrote on Sat, 20 December 2014 09:46
> Kool, Are you going to sell them now?
No, never...don't want the liability for the buck a piece profit. But anyone with half a brain can make one with my blessing. If
you can screw a bolt out, put an eyebolt in, and assemble a couple pieces of other threaded stuff, you're done.
Downside is the brake lights stay on but that just helps me remember that it was a TEMPORARY EMERGENCY PARKING BRAKE!
--
Kerry
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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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