30 minutes - 2 hours
Headphone jack, but hey might as well do the battery too while I got this thing open right?
Opening was easy for me. I felt the difficult part was getting the ribbon cables back in the connectors and locked in, but it just took some patience.
Fix your Ipod Classic. It is sooooo worth it. No other device with 160GB storage out there and new ones are $500 because they are not made anymore.
iPod Classic (Thin) Headphone Jack & Hold Switch
iPod Classic (Thin) Replacement Battery
1.5" Thin Putty Knife