Remove the coolant tank, accumulator, various engine bits, and you can gain access to the bolts that hold the Evaporator housing to the firewall.
Part 4 – Remove Evaporator / Blower Housing – Chevy Suburban A/C Evaporator
Remove the coolant tank, accumulator, various engine bits, and you can gain access to the bolts that hold the Evaporator housing to the firewall.