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Re: [GMCnet] Disc brake project still in failure mode [message #282166 is a reply to message #281955]

Wed, 15 July 2015 10:47

Tom Whitton

Messages: 235
Registered: February 2004
Location: Paducah, KY

Karma:

Senior Member

Hi Neal,

Don't give up on your brakes.

Question: What does this sentence from your post mean? "Attached rear and bleed with Hupy bleeder."

Are you pressure bleeding from the wheel cylinders?

I don't have the Jim Hupy's pressure bleeder but use a similar home-built one that works much the same way.

I have not pressure bled from the wheel cylinders but I understand it can be done. I'm not sure of the procedure to insure that all the air is out of the lines when pressure is applied at the wheel cylinders. Maybe someone else can comment. Probably the more traditional way is to pressure bleed from the master cylinder. The "Hupy bleeder" is attached to the master cylinder to bleed all six wheels, beginning with the wheel farthest away from the master cylinder and ending with the closest.

As for another necessary modification to the system when the original master cylinder is replaced with another.... To determine the correct length of the master cylinder push rod, I'm going send you a PM with a picture of the tool I made out of an old radio antenna. There are other ways to do it but this worked for me.

Hang in there. You'll have good brakes.

Tom Whitton
26 ft updated GMC
Paducah, KY

Date: Wed, 15 Jul 2015 03:24:23 +0000
From: Neil Fonville
To: "gmclist@list.gmcnet.org"
Subject: Re: [GMCnet] Disc brake project still in failure mode
Message-ID:
Content-Type: text/plain; charset="iso-8859-1"

Went back at it today without much success. Removed the MC and made
certain it was bench bleed. No air bubbles when pushing the plunger and
fluid flowed in solid streams. I plugged the rear at the MC and the front
brakes worked OK. Not great but not too bad. Pedal was solid. Attached
rear and bleed with Hupy bleeder. Brake pedal was soft and no braking
action occurred until the pedal was 2/3 the way down. Drivable but not
real safe. Checked to make sure pads were seated on rear rotors and they
were. It did not take much pedal movement to stop the wheel moving when
jacked up and turned by hand. Really at a loss here.

Is there anyone that can help find someone in the DFW area to come help
me? I?m pretty much over my head now and about done. About ready to list
it for sale and walk away. Lots of nice folks with these and have
provided some help but I just don?t have the time or energy to deal with a
storage queen. Already missed one trip due to this project and now
canceling another. I took a working coach with OK brakes and now have a
vehicle that is not safe enough to be on congested roads.

Thanks,
Neil Fonville
Allen TX
75 GMC II
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[Message index]

		[GMCnet] Disc brake project still in failure mode By: Neil Fonville on Sun, 12 July 2015 19:19
		Re: [GMCnet] Disc brake project still in failure mode By: Hal StClair on Sun, 12 July 2015 19:41
		Re: [GMCnet] Disc brake project still in failure mode By: Ken Henderson on Sun, 12 July 2015 20:01
		Re: [GMCnet] Disc brake project still in failure mode By: Neil Fonville on Mon, 13 July 2015 06:56
		Re: [GMCnet] Disc brake project still in failure mode By: Ken Henderson on Mon, 13 July 2015 07:13
		Re: [GMCnet] Disc brake project still in failure mode By: James Hupy on Sun, 12 July 2015 20:19
		Re: [GMCnet] Disc brake project still in failure mode By: Neil Fonville on Mon, 13 July 2015 06:59
		Re: [GMCnet] Disc brake project still in failure mode By: kerry pinkerton on Mon, 13 July 2015 08:35
		Re: [GMCnet] Disc brake project still in failure mode By: James Hupy on Mon, 13 July 2015 09:04
		Re: [GMCnet] Disc brake project still in failure mode By: Neil Fonville on Tue, 14 July 2015 22:24
		Re: [GMCnet] Disc brake project still in failure mode By: powerjon on Tue, 14 July 2015 22:58
		Re: [GMCnet] Disc brake project still in failure mode By: Neil Fonville on Wed, 15 July 2015 06:23
		Re: [GMCnet] Disc brake project still in failure mode By: Ken Henderson on Wed, 15 July 2015 08:28
		Re: [GMCnet] Disc brake project still in failure mode By: Neil Fonville on Wed, 15 July 2015 09:04
		Re: [GMCnet] Disc brake project still in failure mode By: Ken Henderson on Wed, 15 July 2015 09:23
		Re: [GMCnet] Disc brake project still in failure mode By: wally on Wed, 15 July 2015 09:33
		Re: [GMCnet] Disc brake project still in failure mode By: George Beckman on Wed, 15 July 2015 18:14
		Re: [GMCnet] Disc brake project still in failure mode By: A Hamilto on Wed, 15 July 2015 18:35
		Re: [GMCnet] Disc brake project still in failure mode By: Neil Fonville on Thu, 16 July 2015 07:51
		Re: [GMCnet] Disc brake project still in failure mode By: Neil Fonville on Thu, 16 July 2015 16:34
		Re: [GMCnet] Disc brake project still in failure mode By: A Hamilto on Thu, 16 July 2015 17:12
		Re: [GMCnet] Disc brake project still in failure mode By: Neil Fonville on Thu, 16 July 2015 17:29
		Re: [GMCnet] Disc brake project still in failure mode By: jimk on Thu, 16 July 2015 17:45
		Re: [GMCnet] Disc brake project still in failure mode By: Carl S. on Thu, 16 July 2015 20:44
		Re: [GMCnet] Disc brake project still in failure mode By: Neil Fonville on Sat, 18 July 2015 11:28
		Re: [GMCnet] Disc brake project still in failure mode By: wally on Sat, 18 July 2015 11:42
		Re: [GMCnet] Disc brake project still in failure mode By: Neil Fonville on Sat, 18 July 2015 12:10
		Re: [GMCnet] Disc brake project still in failure mode By: A Hamilto on Sat, 18 July 2015 11:57
		Re: [GMCnet] Disc brake project still in failure mode By: Neil Fonville on Sat, 18 July 2015 12:09
		Re: [GMCnet] Disc brake project still in failure mode By: Ken Henderson on Sat, 18 July 2015 12:51
		Re: [GMCnet] Disc brake project still in failure mode By: A Hamilto on Sat, 18 July 2015 13:10
		Re: [GMCnet] Disc brake project still in failure mode By: James Hupy on Sat, 18 July 2015 13:41
		Re: [GMCnet] Disc brake project still in failure mode By: Neil Fonville on Sat, 18 July 2015 14:17
		Re: [GMCnet] Disc brake project still in failure mode By: A Hamilto on Sat, 18 July 2015 14:46
		Re: [GMCnet] Disc brake project still in failure mode By: Neil Fonville on Sun, 19 July 2015 12:32
		Re: [GMCnet] Disc brake project still in failure mode By: A Hamilto on Sun, 19 July 2015 13:31
		Re: [GMCnet] Disc brake project still in failure mode By: Neil Fonville on Sun, 19 July 2015 13:44
		Re: [GMCnet] Disc brake project still in failure mode By: A Hamilto on Sun, 19 July 2015 13:56
		Re: [GMCnet] Disc brake project still in failure mode By: Neil Fonville on Sun, 19 July 2015 14:04
		Re: [GMCnet] Disc brake project still in failure mode By: A Hamilto on Sun, 19 July 2015 14:33
		Re: [GMCnet] Disc brake project still in failure mode By: James Hupy on Sun, 19 July 2015 14:54
		Re: [GMCnet] Disc brake project still in failure mode By: A Hamilto on Sun, 19 July 2015 15:28
		Re: [GMCnet] Disc brake project still in failure mode By: Neil Fonville on Sun, 19 July 2015 15:34
		Re: [GMCnet] Disc brake project still in failure mode By: A Hamilto on Sun, 19 July 2015 16:06
		Re: [GMCnet] Disc brake project still in failure mode By: Neil Fonville on Sun, 19 July 2015 17:58
		Re: [GMCnet] Disc brake project still in failure mode By: A Hamilto on Sun, 19 July 2015 18:11
		Re: [GMCnet] Disc brake project still in failure mode By: Neil Fonville on Sun, 19 July 2015 18:29
		Re: [GMCnet] Disc brake project still in failure mode By: A Hamilto on Sun, 19 July 2015 18:54
		Re: [GMCnet] Disc brake project still in failure mode By: Ken Henderson on Sun, 19 July 2015 18:48
		Re: [GMCnet] Disc brake project still in failure mode By: Ken Henderson on Sun, 19 July 2015 18:55
		Re: [GMCnet] Disc brake project still in failure mode By: A Hamilto on Sun, 19 July 2015 19:34
		Re: [GMCnet] Disc brake project still in failure mode By: James Hupy on Sun, 19 July 2015 21:00
		Re: [GMCnet] Disc brake project still in failure mode By: A Hamilto on Sun, 19 July 2015 21:47
		Re: [GMCnet] Disc brake project still in failure mode By: USAussie on Sun, 19 July 2015 22:08
		Re: [GMCnet] Disc brake project still in failure mode By: A Hamilto on Sun, 19 July 2015 22:51
		Re: [GMCnet] Disc brake project still in failure mode By: James Hupy on Sun, 19 July 2015 18:59
		Re: [GMCnet] Disc brake project still in failure mode By: USAussie on Sun, 19 July 2015 19:48
		Re: [GMCnet] Disc brake project still in failure mode By: A Hamilto on Sun, 19 July 2015 20:11
		Re: [GMCnet] Disc brake project still in failure mode By: USAussie on Sun, 19 July 2015 21:25
		Re: [GMCnet] Disc brake project still in failure mode By: A Hamilto on Sun, 19 July 2015 21:38
		Re: [GMCnet] Disc brake project still in failure mode By: Neil Fonville on Sun, 19 July 2015 15:27
		Re: [GMCnet] Disc brake project still in failure mode By: James Hupy on Sun, 19 July 2015 15:39
		Re: [GMCnet] Disc brake project still in failure mode By: wally on Sun, 19 July 2015 17:04
		Re: [GMCnet] Disc brake project still in failure mode By: A Hamilto on Sun, 19 July 2015 17:11
		Re: [GMCnet] Disc brake project still in failure mode By: James Hupy on Thu, 16 July 2015 17:15
		Re: [GMCnet] Disc brake project still in failure mode By: KB on Wed, 15 July 2015 22:28
		Re: [GMCnet] Disc brake project still in failure mode By: Larry on Sun, 12 July 2015 20:38
		Re: [GMCnet] Disc brake project still in failure mode By: wally on Sun, 12 July 2015 20:38
		Re: [GMCnet] Disc brake project still in failure mode By: jimk on Mon, 13 July 2015 00:29
		Re: [GMCnet] Disc brake project still in failure mode By: jhbridges on Mon, 13 July 2015 07:58
		Re: [GMCnet] Disc brake project still in failure mode By: A Hamilto on Mon, 13 July 2015 11:33
		Re: [GMCnet] Disc brake project still in failure mode By: A Hamilto on Tue, 14 July 2015 22:53
		Re: [GMCnet] Disc brake project still in failure mode By: Tom Whitton on Wed, 15 July 2015 10:47
		Re: [GMCnet] Disc brake project still in failure mode By: Tom Whitton on Sat, 25 July 2015 08:55

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