humming noise in rear end of civic, only 100kms. easy to change bearings?

 

There was a recall, did you get it checked??

 

yes had this recal done as soon as I got the notice, I have been told these new civics have more load on the rear bearings causing them to fail. My 96 si had over 500,oo kms on the original bearings . are they a big deal to change? I think there is 4 bolts behind backing plate , no more 32mm bolt like the older ones. thankyou for your responce.