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Thinking again ...
We are still asking:
What did you
get done on
your Bolt today
????


The question, initially posted May 23, 2005, was:
"Whatcha do on your Bolt
this weekend?"

After 51,906,997 views, 7378 replies over 185 pages, this thread in General Truck Talk is a happening! And it's not just weekends anymore.


Now with pictures
and No BOTS.


So ...


What did you get done on your Bolt today????


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Re: Bleeding brakes on 2 ton
kthomas #1272727 Mon Jul 16 2018 05:17 PM
Joined: Dec 2015
Posts: 2,291
Big Bolt Forum Moderator
I bought a weed sprayer from Lowes and made a pressure bleeder out of it. (take the nozzle off the sprayer end and attached it to an old master cyl cap). You can put a gallon of brake fluid in it and pump it up and bleed to your heart's content!

I think I bought one similar to this one: https://www.lowes.com/pd/Chapin-2-Gallon-Plastic-Tank-Sprayer/1000176197


Mike

1955 Chevy 6400 ex-flatbed (no bed now!)
In the Stovebolt Gallery [stovebolt.com]


1958 Chevy 6400 flatbed W/dump
In the Stovebolt Gallery [stovebolt.com]

1959 Chevy Suburban Owned for almost 20 years, Daily Driver -- sold May 2016
In the Stovebolt Gallery [stovebolt.com]

Sufficient unto the day is the evil thereof
Re: Bleeding brakes on 2 ton
78buckshot #1434801 Sun Dec 26 2021 09:17 PM
Joined: Sep 2021
Posts: 8
F
'Bolter
Greetings all and Merry Christmas !!

I realize this is an older thread but would love to get some info especially from 78 Buckshot who did exactly what i intend to do. I also have a 57 5700 and looking for possible part numbers for the rear wheel cylinders or the rebuild kits for them. I rebuilt the fronts but so far only the passenger side is holding guna take another shot at the drivers side. The rebuild kit I got for the fronts are Dorman #11303 would like to know if that is the same as the ones you used ?

any info is greatly appreciated !!!!

Mike

Re: Bleeding brakes on 2 ton
kthomas #1434810 Mon Dec 27 2021 12:15 AM
Joined: Feb 2016
Posts: 669
7
'Bolter
Welcome to the forum Mike. I'll dig around in my receipts and the boxes that the kits came in and try to give you some numbers. I think all of my kits were Wagner/non-Dorrman but I'm not 100% sure. I did the master and all six wheel cylinders the same way, took them apart, soaked the iron castings in muriatic acid, washed in HOT water and detergent, honed, new kits in all. Of course all new rubber lines and copper/nickle hard lines. It's been about three years and no leaks and good brakes.


1957 Chevrolet 5700 LCF 283 SM420 single speed rear, 1955 IH 300U T/A, 1978 Corvette 350 auto
Re: Bleeding brakes on 2 ton
kthomas #1434825 Mon Dec 27 2021 02:08 AM
Joined: Dec 2015
Posts: 2,291
Big Bolt Forum Moderator
for my 58 Viking 60, I used the following: UP = Napa part #, the other is Raybestos from Rock Auto.
rear wheel cylinder kits, (1 1/2" ring type) UP 147, WK147
master cyl kit (1 1/4") UP33 , MK33
front wheel cyl kits (7/8 diameter) UP 129, WK129
rear brake hose, UP4000, DH4000
front brake hose UP25664, BH25664


Mike

1955 Chevy 6400 ex-flatbed (no bed now!)
In the Stovebolt Gallery [stovebolt.com]


1958 Chevy 6400 flatbed W/dump
In the Stovebolt Gallery [stovebolt.com]

1959 Chevy Suburban Owned for almost 20 years, Daily Driver -- sold May 2016
In the Stovebolt Gallery [stovebolt.com]

Sufficient unto the day is the evil thereof
Re: Bleeding brakes on 2 ton
78buckshot #1436432 Fri Jan 07 2022 06:04 PM
Joined: Sep 2021
Posts: 8
F
'Bolter
Thanks for your quick reply had a hard time finding this thread (new to this site) I was able to source new rear cylinders from local old school parts house called “Mars” which still has the original sign from opening in 1948 !!! The cylinders are Dorman part number W81803 Sup and W 81802 Sup upper and lower not sure which is which sorry !! So now I’m off to the fronts which are both leaking after rebuild. I’m gunna give them one more shot at honing unless someone has a source for replacement cylinders ?? Thanks again for your replies and knowledge

Btw I sent my hydrovac out for rebuild to REI just waiting for them to send it back. While I wait for that I’m going to replace all steel lines with the nickel/copper type. The short ones inside the drums had a leak and figured might as well replace them all like “78buckshot” did !! Peace of mind will go a long way !!!

Thanks again to all

Re: Bleeding brakes on 2 ton
kthomas #1436447 Fri Jan 07 2022 07:52 PM
Joined: Feb 2004
Posts: 24,297
H
Kettle Custodian (pot stirrer)
Good brakes on a big rig are cheap life insurance, not only for yourself, but for the folks who share the road with you. If you aren't able to find replacement cylinders, it's possible to reline the old ones with stainless steel sleeves that will outlive a couple more owners of the truck. Don't discard a leaky cylinder- - - -someone here will be able to recommend a shop that specializes in relining them.
Jerry


"Freedom's just another word for nothing left to lose"
Kris Kristofferson

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!

WAG MORE- - - - - -BARK LESS!
Re: Bleeding brakes on 2 ton
kthomas #1436454 Fri Jan 07 2022 08:24 PM
Joined: Jun 2011
Posts: 4,468
E
'Bolter
White post restorations in VA.

Ed


'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.
Re: Bleeding brakes on 2 ton
kthomas #1436483 Fri Jan 07 2022 10:54 PM
Joined: Mar 2004
Posts: 5,431
M
'Bolter
Make sure you save the old flare nuts for the line that connects the two cylinders at each wheel. The thread pitch on them could be different than the rest of the system, if so they are not available and will need to be reused.

Mike B smile

Re: Bleeding brakes on 2 ton
kthomas #1436813 Mon Jan 10 2022 05:08 PM
Joined: Aug 2017
Posts: 121
2
'Bolter
I bought one master cylinder from Chevs of the 40s several years ago, then later when I replaced all the wheel cylinders, I got them from Rock Auto. Bled them the conventional way and had a helper. Took some time but did work. Brakes work excellent, and no more leaks.


1951 Chevrolet 6400
Re: Bleeding brakes on 2 ton
Hotrod Lincoln #1441910 Sun Feb 20 2022 05:54 PM
Joined: Sep 2021
Posts: 8
F
'Bolter
Thank you all for that info had to take some time away…these are great tips will update ASAP …
Got the Hydro back from REI took 2 months they had to re-sleeve it and man did they make it look brand new !!
The cost was $495. + shipping one way !! I really wanted to get the true pedal so I spent the xtra cash

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