Lenovo manual Replacing FRUs Types 8098, 8171, 8172, 8173, 8424, and 8425

3.Rotate the drive bay assembly upward to gain access to the fan assembly
3. Note: Some models have two fans.

4.Disconnect fan assembly cable(s) from the system board. See “Identifying parts on the system board” on page 140.

Note: Make sure you note the location of the fan cable(s) when you disconnect it from the system board.

5.Remove the front bezel by releasing the tab as shown.

Chapter 10. Replacing FRUs (Types 8098, 8171, 8172, 8173, 8424, and 8425) 155