HVAC Blend Door Actuator. 2008 Chevrolet Malibu Engine: 2.2L L4; Blend Door Actuator; w/ ATC;. HVAC Actuator. 2009 Chevrolet Malibu Engine: 2.4L L4 GAS; Blend Door Actuator; w/ ATC;. 2009 Chevrolet Malibu Engine: 3.5L V6; Blend Door Actuator; w/ ATC;.