Scroll to p.41, it details how to remove the fan assembly.
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Scroll to p.41, it details how to remove the thermal module (fan) assembly.
On p.62 it gives the part number for the "thermal module" (fans). If you Google ''just ''the number 90204391, (do not add Lenovo or fans etc to the search term), you will get suppliers for the part.
Hi,
Here is a link to the service manual for a Lenovo Yoga 2 Pro.
https://download.lenovo.com/consumer/mobiles_pub/lenovo_yoga_2_pro_hmm.pdf
Scroll to p.41, it details how to remove the fan assembly.
On p.62 it gives the part number for the "thermal module" (fans). If you Google ''just ''the number 90204391, (do not add Lenovo or fans etc to the search term), you will get suppliers for the part.
Hopefully this is of some help.