If there is enough coolant in your vehicle, the heater core may be the culprit of cold air blowing through your vents. Other symptoms of this problem include: Fog inside your car. Your coolant is being used quicker than usual. You also might smell a sweet scent inside your car. If these are happening, reach out to your certified service center
When you start the car, or just the AC system, and notice a knocking sound like someone tapping on your door, that is indicative of a problem with the blend door actuator. Inconsistent Airflow: If the blend door is moving back and forth, then the airflow will be diverted incorrectly or maintained incorrectly.Toughest parts: pushing the plastic clip hard enough to get the FSU out. getting the control motor back in, especially the tops screw - the corner of the motor assembly clips into the trum; getting teh glove box properly installed and lined-up. Total time: 2 days to get the part plus 45 minutes labor.
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