Herman R Conway , SC July 14, 2018 The refrigerator door made a cracking noise when it opened the problem was the cam and the hinge bearing were cracked After watching the video on how to replace the cam, it was easy to follow those steps: removed the door; removed and replaced the cam and hinge bearing; re-installed the door; checked to ensure the door operated properly. Done! Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes