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Technical Early Ford door latch Problem

Discussion in 'The Hokey Ass Message Board' started by Petejoe, May 30, 2023.

  1. Petejoe
    Joined: Nov 27, 2002
    Posts: 12,545

    Petejoe
    Member
    from Zoar, Ohio

    My 37 ford coupe door latch slide does not stay out to keep the door closed. I about shit turning a corner when my door opened into the on coming traffic.
    Is there a hidden spring which keeps the dead bolt in place???
    See video.
     
    chryslerfan55 likes this.
  2. alchemy
    Joined: Sep 27, 2002
    Posts: 22,291

    alchemy
    Member

    Looks like the curly spring in the latch is broken.
     
  3. MAD MIKE
    Joined: Aug 1, 2009
    Posts: 912

    MAD MIKE
    Member
    from 94577

    Latch bolt should have a return spring that keeps the bolt out in a latched position when the handle is not being pulled.
    I'd suggest pulling the assembly out and verifying nothing is broken.
    Heavy grimey grease can gum up the works, clean it up and add fresh clean grease.
     
    lucky ink and Petejoe like this.
  4. Petejoe
    Joined: Nov 27, 2002
    Posts: 12,545

    Petejoe
    Member
    from Zoar, Ohio

    53A0DD1F-36CC-48BB-B783-84AFA903A120.jpeg
    this one??
    It seems to work correctly. But I was thinking this was the spring that pushes the handle back in place when you lock the door????
     
  5. poco
    Joined: Feb 9, 2009
    Posts: 1,653

    poco
    Member
    from oklahoma

    I had one that did same thing, had to pull apart and clean all parts.
     
  6. Petejoe
    Joined: Nov 27, 2002
    Posts: 12,545

    Petejoe
    Member
    from Zoar, Ohio



    Spring action
     
  7. alchemy
    Joined: Sep 27, 2002
    Posts: 22,291

    alchemy
    Member

  8. MAD MIKE
    Joined: Aug 1, 2009
    Posts: 912

    MAD MIKE
    Member
    from 94577

    ^This
    There is a spring for the handle, which you posted, and another spring in the latch assembly.
     
    lothiandon1940, Petejoe and BLACKNRED like this.
  9. Petejoe
    Joined: Nov 27, 2002
    Posts: 12,545

    Petejoe
    Member
    from Zoar, Ohio

    Thanks guys so much!!
    I’ll disassemble tomorrow and keep you updated. :)
     
    lothiandon1940 likes this.
  10. Here's one's from my '47 (same sorta spring setup).
    47 door lock-1.jpg
     
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  11. BLACKNRED
    Joined: May 8, 2010
    Posts: 391

    BLACKNRED
    Member

    The springs are re-popped and available through most of the ford dealers, the spring in the latch when replaced gets the outside door hanle in the horizontal position as well.
     
    lothiandon1940 and Petejoe like this.
  12. Petejoe
    Joined: Nov 27, 2002
    Posts: 12,545

    Petejoe
    Member
    from Zoar, Ohio

    On order.
    15 yrs ago I bent the door handle stem to straighten out the handle in a level position. Looks like I’ll be bending it back into shape soon.
     
    lothiandon1940 likes this.
  13. This spring.

    P1210022 (Medium).jpeg
     
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  14. alchemy
    Joined: Sep 27, 2002
    Posts: 22,291

    alchemy
    Member

    When you are in there, check all the guide pins and the slots that slide on them. I don’t think any of the guide pins are reproduced, but you can probably substitute the end of a bolt. Along with some weld and file work to straighten the edge of the slot.
     
    Petejoe and Nailhead Jason like this.
  15. the springs suck to change. I did the pass side last year on my 39, but after the new spring, a clean, polish and lube of the latch man does it work smooth as glass.
     
  16. Petejoe
    Joined: Nov 27, 2002
    Posts: 12,545

    Petejoe
    Member
    from Zoar, Ohio

    Will do thanks Alchemy.
     
  17. You can turn the slide pins a half turn and get good metal. Requires a spot weld after the turning.
    Chuck ? Starts with a K on the Ford barn has correct springs
     
    Petejoe likes this.
  18. Petejoe
    Joined: Nov 27, 2002
    Posts: 12,545

    Petejoe
    Member
    from Zoar, Ohio

    1BA41DED-ADD6-4B8E-BCFE-863929F25EDE.jpeg 1D01E30B-3B8C-457C-963B-92CC82766F93.jpeg 9733142B-D27D-4940-A8A1-BE20CBB5408B.jpeg Finally removed my latch and while it’s soaking in some degreaser. I have a few questions…..
    It appears the spring behind this latch is broken. Correct??
    Next how do I access that spring with everything pinned in place?
    Do I grind off the pinned backside??
    See pics and video.

     
  19. C& G antique auto parts - page 279 replacement spring. HRP
     
  20. Petejoe
    Joined: Nov 27, 2002
    Posts: 12,545

    Petejoe
    Member
    from Zoar, Ohio

    It appears as though there are actually two different springs in this assembly. Correct??
    Has anyone had to replace the spring under that plate??
    Did you Grind off the swaged pins to access it?
     
  21. alchemy
    Joined: Sep 27, 2002
    Posts: 22,291

    alchemy
    Member

    I have never repaired that year, but yes it seems that removing the guide pin would allow you to lift the striker up and put the new spring in between there.
     
    Petejoe likes this.
  22. Petejoe
    Joined: Nov 27, 2002
    Posts: 12,545

    Petejoe
    Member
    from Zoar, Ohio

    Well shit…..
    Yes removing the pins got me to the hidden spring.
    Yes it was broken. But……
    The spring doesn’t match the one I ordered for this car. :(
    Now I’m onto a search to find one.

    0A03C54F-7510-4948-ABB7-8ED3AAC80753.jpeg 7DBC7199-9E05-4CBB-AC80-B9E96FEC0CFB.jpeg A0550686-6765-411D-AE37-D19F4342C4B6.jpeg
     
  23. Petejoe
    Joined: Nov 27, 2002
    Posts: 12,545

    Petejoe
    Member
    from Zoar, Ohio

    I may try heating and bending the new one but I’ve noticed it also has extra spring tension with three loops instead of two.

    TIG weld the broken tab????
    Being a spring material I wonder how long it would last????
    Let’s see…..
    I’m 70 now…. In the next 15 yrs I will probably open that door a 100 times a year?? That’s 1500 times before I eat dirt.
     
    Last edited: Jun 10, 2023
  24. Petejoe
    Joined: Nov 27, 2002
    Posts: 12,545

    Petejoe
    Member
    from Zoar, Ohio

    I believe I found two here. :)
    eBay…. Free shipping.

    EB1300CE-AFBE-4BA2-A2DF-8F216A4E7E88.png

    I may just live to be 90 with a working door and no bungee cords.
     
    warbird1 and Joe Blow like this.
  25. alchemy
    Joined: Sep 27, 2002
    Posts: 22,291

    alchemy
    Member

    Welding a spring should work for about one opening.
     
    WalkerMD and Petejoe like this.
  26. Your latch looks like a '38-'40 latch vs a '37 latch. Maybe that's why the spring didn't match.
     
  27. Petejoe
    Joined: Nov 27, 2002
    Posts: 12,545

    Petejoe
    Member
    from Zoar, Ohio

    746D97FD-D0D5-46AB-BCD8-CACDF583D414.jpeg CB41F0F9-2EF6-44C3-9945-CB41B4F32570.jpeg
    yes I believe your right Rich B.
    These replacement springs were marked 38-40. So now we know some of these latches are interchangeable.
    Here it is in action with two pics of the welded pins in back. Worked perfect. thanks everyone for your help.

     
    MAD MIKE and RICH B like this.
  28. I heard somewhere that the "double" spring '38-'40 latch was commonly used as an upgraded replacement for earlier "single" spring latches.
     
    Petejoe likes this.

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