Well the KK version of the Liberty is not the same as the KJ version or your Wrangler so all bets are off. Back in the day all you had to do was pop say 6 spring clamps to get into the HVAC system from the passenger compartment but things have been "improved" since then.
I did a bit of Googling on "jeep kk dash removal" and found
viewtopic.php?f=104&t=76079 which might help. I also looked for "jeep kk factory service manual" and you can get the parts fiche at
viewtopic.php?t=42849 but I don't offhand see a free PDF version of the FSM
I see you also have information awaiting you over on the KK side of LoST