Lenovo ThinkPad T470 Hardware Maintenance Manual page 91

When installing:
• Ensure that the connector of the thermal fan is attached firmly.
• Before you attach the thermal fan assembly to the computer, apply thermal grease, at an amount of 0.2
grams, on the parts marked
application of grease can cause a thermal problem due to imperfect contact with a component. For the
new thermal fan assembly, you must peel off the thin film from the rubbers.
– For integrated-graphics models
a and b as shown in the following illustration. Either too much or too less
.
Chapter 9 Removing or replacing a FRU
85