Aspen 4WD V8-5.7L Hybrid (2009)
8. Remove the two screws (1) that secure the HVAC housing retaining bracket (2) to the top of the HVAC housing (3) and remove the bracket.
9. Remove the two screws (4) that secure the heater core retaining bracket (5) to the top of the HVAC housing and remove the bracket.
10. Carefully remove the heater core (6) and heater core tubes as an assembly from the top of the HVAC housing.