Lenovo ThinkPad X1 Series Hardware Maintenance Manual page 97

Removal steps of the speaker assembly near the hinges (for X1 Carbon)
Step Screw (quantity)
4
M2 × L3.2 mm, flat-head, nylon-coated (2)
Color Torque
0.181 Nm
Silver
(1.85 kgf-cm)
.
Chapter 9 Removing or replacing a FRU
89