15 - 30 minutos
My Mac Book Pro 13" unibody trackpad wasn't working anymore. (clicking was ok, movement not)
Using the iFitIt guide, I change the TrackPad and every problems has been fixed.
Be careful to the TrackPad alignment. It's not so easy to have it correctly placed (same place on the 4 sides).
Tri-point Y1 Screwdriver
MacBook Pro 13" Unibody (Mid 2009-Mid 2012) Trackpad