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Hot Rods Need Help Identifying Wheel Cylinder

Discussion in 'The Hokey Ass Message Board' started by Schultz-eee, May 3, 2015.

  1. Schultz-eee
    Joined: May 25, 2009
    Posts: 18

    Schultz-eee
    Member

    I am hoping someone can help. I have a wheel cylinder on my front axle that is leaking. I need to replace but I can't identify it.

    I have 45 fin Buick drums on my front axle. I do not know the origin of the backing plates. Buick wheel cylinders do not fit. I can not read the numbers on the wheel cylinder. It is Wagner Lockheed. The numbers are really hard to read but may be D2760, or 2765 or 2768. It may not be a D. This is from Left side wheel.

    I have attached some pics of the backing plate and wheel cylinder.

    I would appreciate any ***istance you can offer. I have no luck trying to match those numbers on the Internet.

    Thanks
    Mike
     

    Attached Files:

  2. The backing plates are 39-42 Ford.
     
    Last edited: May 3, 2015
  3. This would be a good post for fordbarn. I will tell you what I know. It is a Ford between 1939 and 1948. Some of the early cylinders were larger on one end than the other and that is what I think I see in the picture. You can interchange them in pairs but not just one. With the quality of most reproduction parts you might just want to rebuild yours or send yours out to be sleeved and rebuilt. Try Richard Lacy (626) 338-2282, earlyv8@aol.com to see if he has some or can recommend a sourse for quality wheel cylinders. He can also give you a positive ID in what you have.

    Charlie Stephens
     
  4. Schultz-eee
    Joined: May 25, 2009
    Posts: 18

    Schultz-eee
    Member

    Thanks guys. That is great information that I could not find on the old innerweb. I will see if I can find some repops. I am trying to get ready for the Jalopy Showdown.
     
  5. timwhit
    Joined: Jan 30, 2012
    Posts: 5,188

    timwhit
    Member

    Schultz: STOP!!! Go read a thread I started on "leaky wheel cylinders". You will likely find your answer there. If you can't find it, PM me. What it amounts to is, you have typical old Ford wheel cylinders that are probably 1" x 1 3/8". You should take them apart. and see what's inside. I say that because if they are originals, of were rebuilt with ALL the parts, you may indeed be able to rebuild them again. The new repops come without the metal disc behind the rubber cup that seats against the piston. I fought this on two of my cars with"new" cylinders. Through a conversation with a friend, I discovered this. I went to a few parts stores until I found one (bumper to bumper) that had an old Eis brake cabinet. they had the 3/8" disc's and the 1" aren't hard to find. As soon as I had those installed, all my problems went away. I couldn't get a pedal and had a leak before that. doesn't make sense, but that's what worked for me. that was last year...still have good brakes, no maintenance needed. If you need me to, I'll load up some pics of what I'm talking about. Tim
     
  6. squirrel
    Joined: Sep 23, 2004
    Posts: 60,039

    squirrel
    Member

    "Cup Expanders" in this image

    [​IMG]
     
  7. 2935ford
    Joined: Jan 6, 2006
    Posts: 3,850

    2935ford
    Member

    They appear to be the correct cyl for those early style backing plates and brake shoes.
    Take them apart and make sure the cly walls are smooth and get a rebuild kit with spring and new rubber cups as the cups in there will be worn and that is the seal keeping the fluid in.
    If necessary hone the cly so they are nice and smooth. I would just reuse the original spring.
     
  8. timwhit
    Joined: Jan 30, 2012
    Posts: 5,188

    timwhit
    Member

    Schultz: You can see in the image Squirrel loaded up the "cup expanders" I was referring to. These are not in the new wheel cylinders You get now. At least not in the ones I used and they came from different suppliers. Let us know what you have/need. Tim
     
  9. Schultz-eee
    Joined: May 25, 2009
    Posts: 18

    Schultz-eee
    Member

    I want to thank all. I should have posted my inquiry earlier instead of wasting my time. I will pull the cylinders apart and check the bores. I will try to get rebuild kits.

    Thanks again.
     

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