When normal alignment practices do not bring components into the alignment specifications, offset upper ball joints are available.
2012 Jeep Grand Cherokee Problem Reports
RepairPal Verified 2012 Jeep Grand Cherokee Problem Reports
Temperature blend and recirculation doors commonly fail, which can cause the AC modes not to change or the temperature to be different on the left and right sides. If replacing blend air doors, a recirculation door, a door link, or a sub-assembly housing, new heating, ventilation and AC (HVAC) sub-assemblies are available that improve reliability.