I have a 1950 3100. Mine did the same. I took it apart (Carefully) and it had a broken spring if I recall correctly. I had to be careful where the 'tabs' go in and bend to hold the piece together . I will try and find a picture. It was about 6 years ago.
Todd

Found some pics. That spring was broken (sorry no pic of broken spring) last pic is Passenger side.
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Last edited by Shaffer's1950; 03/11/2024 10:51 PM.
1950 Chevy 3100