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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: May 2005 Posts: 2 Junior Member | | Junior Member Joined: May 2005 Posts: 2 | I have a 1952 two-ton former firetruck with a two speed rear end. The master cylinder is leaking, and I can only find a rebuild kit for 1 1/4" diameter, but this system is 1 1/2". Does anyone have any leads on who makes a rebuild kit for this? Thanks | | | | | Joined: Jan 2005 Posts: 364 Shop Shark | | Shop Shark Joined: Jan 2005 Posts: 364 | Your local auto parts store should be able to look in the specs. section of their brake book and be able to find the individual parts for an 1 1/2 bore. They might not find it under it's application. I rebuilt the master cyl. on my '48 2ton, and I think the local Bumper to Bumper ordered a kit and had it the next day. I don't remember if it was 1 1/4 or 1 1/2 though. Maybe fire trucks were bigger? Good luck.
Keith
If it were easy they'd have grade schoolers doing it!
| | | | | Joined: Nov 2005 Posts: 355 Member | | Member Joined: Nov 2005 Posts: 355 | My 47 uses the 1 1/4 cylinder. I think I saw in the info from chevy that a school bus 2 ton used the larger 1 1/2 bore cylinder. | | | | | Joined: Apr 2005 Posts: 926 Shop Shark | | Shop Shark Joined: Apr 2005 Posts: 926 | I went to an automotive brake rebuilder for my old 1-1/2 ton brake hydraulics,and bought just the cup for about .90,and the cups for the wheel cylinders for .59 each. All the old boots and springs were okay. They had cups clear up to 2-1/4 inch.
Speed | | | | | Joined: Apr 2006 Posts: 26 New Guy | | New Guy Joined: Apr 2006 Posts: 26 | You can also find 1 1/2 ton Master Cylinder rebuild kit at Obsolete Chevy Parts Co. Their web site is www.obschevy.com. Kit lists for $16.95. By the way.. the front wheel cylinders on the 1 1/2 ton use the 1 1/4 inch wheel cylinder whereas the backs use the 1 1/2 inch wheel cylinder. I see front kits listed, but not rears. I only found the rubber cups at my local NAPA store, so I had to polish the old metal pistons which luckily weren't pitted or scored. | | | | | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 |
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | | | | Joined: Dec 2005 Posts: 66 New Guy | | New Guy Joined: Dec 2005 Posts: 66 | Bossman, weird, when I click on the link in your post, I come up with a Harley outfit (two wheel bolts), but when I Google "Obsolete Chevy Parts Co." I get the same address, click on it, and get the right web site??? | | | | | Joined: Apr 2006 Posts: 26 New Guy | | New Guy Joined: Apr 2006 Posts: 26 | There is a mistake in the link for some reason. Take the period out after the .com and before the slash. That makes the difference. I am not sure how it got there except I probably used a period to end the sentence and it got picked up when the link was made. I too got to a Harley site using the link as listed. If you take out the last period it works fine. Sorry about that. | | | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | Bossman - all ya gotta do is click the paper/pencil icon at the top of that post to edit it and fix the error! - then you can learn some more by clicking the edit icon on yer 2nd post and check the "delete post" box top left and click "edit post" to take it right out  Bill | | |
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