Description
Heating servo motor for Citroën C4 and Peugeot 307 II.
High-quality Behr heating servo motor engineered as a direct-fit replacement for Citroën C4 and Peugeot 307 II HVAC systems. Often searched by part number EAD511, H1961 or 6447VA, this unit restores accurate airflow and temperature control, making it ideal for professional workshops and experienced DIY enthusiasts.
Technical Information
- Manufacturer: Behr
- Model: Citroën C4; Peugeot 307 II
- Product Codes: EAD511 H1961 b
- Other Numbers: 6447VA
Function
This electric servo motor controls HVAC flaps and the blend door position inside the heater box to regulate cabin temperature and air distribution. It converts electrical commands from the climate control unit into precise mechanical movement of dampers.
Replacement And Installation
- Locate The Actuator Behind The Dashboard Or Under The Glovebox On The Passenger Side, Depending On Vehicle Configuration.
- Remove Necessary Trim Panels To Access The Heater Box And Actuator Mounting.
- Disconnect The Electrical Connector And Remove Fastening Screws Or Clips Securing The Motor.
- Install The New Servo Motor, Ensure Correct Alignment Of Splines/Gears, Refit Fasteners And Reconnect The Connector.
- After Reassembly, Cycle The Ignition And Operate The Climate Controls Through Their Full Range To Verify Smooth Movement And Proper Calibration.
Installation Recommendations
- Disconnect The Battery Before Starting Work And Follow Manufacturer Procedures To Prevent Electrical Damage.
- Use Appropriate Hand Tools (Torx/Phillips) And Protect Trim Pieces During Removal.
- Compare Connector Type And Mounting Pattern With The Old Unit To Confirm Compatibility Before Final Fitment.
- Handle Gears And Plastic Components Carefully; Avoid Excessive Force When Aligning Splines.
Why The Part Most Commonly Fails
Common Causes Include Worn Plastic Gears, Moisture Or Debris Ingress, Electrical Wear Of The Motor Or Internal Position Sensor, And Heat-Related Aging. Typical Symptoms Are Grinding Or Clicking Noises, Stuck Dampers, Loss Of Temperature Control, Or Intermittent Operation.
Notes For Mechanics And DIYers
This servo motor is frequently searched by product codes, so using part numbers EAD511, H1961 or 6447VA will speed up locating the correct unit. Verify Physical Match With The Existing Actuator Prior To Installation. The Replacement Restores Reliable HVAC Function And Improves Cabin Comfort.
