Originally Posted by
bidaci
If you are trying to reuse an old pin in a Shimano chain , it will never stay together. You need to use a replacement pin that you snap the end off. That being said, I usually use the quick links myself.
Read the last line of his post.
OP: You better reconnect that chain with a quicklink. Those Sram 9 speed chains were never designed for pin reuse. You WILL break the chain at an inopportune time.