Canceling Cam Help!!!

[68Blu]

I have searched the forum and cannot find what I need. I had to take my tilt column apart last weekend to tighten bolts so that the steering wheel would stop wiggling. While doing so I noticed the canceling cam was cracked (pictured below and circled in red). It appears to me that it was over tightened. Ordered a new cam and installed, when I put everything back together I was super careful not to over tighten it. But this time the turn signals would not cancel. I am concerned about there being so much pressure on the plastic cam by the spring (picture below with the blue circle). Should I drop a washer in there? Am I reassembling incorrectly? Any help is appreciated. Pictures would help if you have them. Thanks