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Fixing the old truck

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#80613 07/30/2007 5:50 AM
Joined: Jun 2007
Posts: 100
I
Shop Shark
Shop Shark
I Offline
Joined: Jun 2007
Posts: 100
I am tearing into the left rear drum because something in there is causing all my brake fluid to leak away. I go the tires off and the axle out, and pulled off the big nuts in front of the bearing. How do I pull the bearing? Or does it come out with the drum? It started getting dark on me about at this point but I messed with it for a few minutes and it did not seem to want to budge, the bearing or the drum. I would appreciate any advice on this that anyone has.
Thanks, Ben


My new 1949 Chevy One Ton Dump Truck. Still have it but parked, needs a new motor.
1953 2 ton parts truck Long Gone
1957 GMC LCF On 75 Cadillac Eldorado Frame
Updated Feb 2021
#80614 07/30/2007 1:30 PM
Joined: May 2005
Posts: 8,877
G
.
.
G Offline
Joined: May 2005
Posts: 8,877
Slack the brake adjusters some, then the drun, hub, and bearings all slide off real easy.


1951 GMC 250 in the Project Journals
1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
1952 Chevrolet 3800 pickup
---All pictures---
"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-
#80615 08/01/2007 5:32 AM
Joined: Jun 2007
Posts: 100
I
Shop Shark
Shop Shark
I Offline
Joined: Jun 2007
Posts: 100
OK thanks, same advice I got from a buddy at work today also. Will get to it on Fri., my first day off.


My new 1949 Chevy One Ton Dump Truck. Still have it but parked, needs a new motor.
1953 2 ton parts truck Long Gone
1957 GMC LCF On 75 Cadillac Eldorado Frame
Updated Feb 2021
#80616 08/01/2007 5:58 AM
Joined: Feb 2004
Posts: 28,675
H
Kettle Custodian (pot stirrer)
Kettle Custodian (pot stirrer)
H Offline
Joined: Feb 2004
Posts: 28,675
Put a greased piece of sheet metal under the tire(s), and lower the axle with a bottle jack until the tire just touches the metal. When the weight of the tire/hub assembly is carried by the plate, the hub will slide off the spindle easily. Right now, the drum is probably hanging up on the brake shoes. I used to use that little trick to handle 18-wheeler dual tire/hub assemblies during bearing changes on road service calls. (At least 300 lbs.)
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
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#80617 08/05/2007 2:03 PM
Joined: Jun 2007
Posts: 100
I
Shop Shark
Shop Shark
I Offline
Joined: Jun 2007
Posts: 100
OK I got the drum off by just slacking the adjuster. The bottom cylinder (1 3/4") was the leaker and had rust and pits in it. So I pulled it off and went to Carquest (which is my favorite FLAPS) because the old guys there can find JUST ABOUT anything. I told them what it was for and they could not find one from the catalog or looking the part # up in the computer. They said take it to the machine shop and get it honed out to 1 7/8" which they could get a kit for. The machine shop said $100 to $120 plus then I have to do the $24 rebuild kit. I went to N#PA (which I am not to fond of) and they said "yea we can get it here by 9:00 tommorrow". And this was on Fri. so Sat I go pick up my $57 part and get ready to install.
Page Two
It looks mostly the same and has the same # stamped into it but the threads are different. The old one has the bleeder screw and an inverted flare (or whatever you call it) for the incoming line. The new one both ports are really deep like for the bleeder screw. I took it back to N#PA and the could not get anything to screw into the deep port to adapt it to the line. Has anyone else come across this? What did you do? My next best hope is go to a Hydrauli hose shop Monday and hope they can figure out what thred it is and how to make something work.
Sorry so long but thanks for reading and responding.


My new 1949 Chevy One Ton Dump Truck. Still have it but parked, needs a new motor.
1953 2 ton parts truck Long Gone
1957 GMC LCF On 75 Cadillac Eldorado Frame
Updated Feb 2021
#80618 08/05/2007 3:53 PM
Joined: Nov 2005
Posts: 6,061
3
3B Offline
'Bolter
'Bolter
3 Offline
Joined: Nov 2005
Posts: 6,061
Hy IBenDcars, I need a bit more information to help you out, what part number did Napa supply you with, what is the number that is cast/stamped into the old cylinder? My catalog shows the rear cylinders on a 62 60 series are only 1 1/2" bore, also they are listed as forward and reverse not upper and lower. I believe you said this cylinder was the lower , and it had a bleeder screw in it, so how was the upper cylinder supplied with fluid, with one port for the incoming line, and one with a bleeder screw in it?

#80619 08/05/2007 4:10 PM
Joined: Nov 2005
Posts: 6,061
3
3B Offline
'Bolter
'Bolter
3 Offline
Joined: Nov 2005
Posts: 6,061
Hy IBenDcars, I see I misread you actually have a 62 80 series. I come up with Napa UP26172, which has flared fittings installed

#80620 08/05/2007 8:42 PM
Joined: Dec 2003
Posts: 2,733
Shop Shark
Shop Shark
Joined: Dec 2003
Posts: 2,733
I am moving this post to the BigBolt Forum and closing it here.


1953 Chevy 5-window 3100
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Dave
Engine & Driveline Moderator

If you can't make seventy by an easy road, don't go. ~~ Mark Twain

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