Does Updating CWM Recovery erase any Thing?

[AC Question]

I want to update my recovery due to a problem with my SD Card (unable to mount the SD Card)
Sony Xperia SP CM11

 

[itguyjax8430]

I want to update my recovery due to a problem with my SD Card (unable to mount the SD Card)
Sony Xperia SP CM11

Updating the recovery just updates the recovery and nothing else. You should not lose any data.