04-25-2022, 07:27 AM
I had a 1960 El Camino with the same issue. Would not wipe the center of the blade. It was surprising hot delicate the balance between the springs are. All the twisting and stretching of the three springs on each arm only made things worse. In the end I found a source for OEM complete arms.
1998 Coach 484
1997 Suzuki Sidekick toad.
Cheers.