Description
BEHR heater servo motor for Citroën C5 X7 and Peugeot 407 facelift
This BEHR heater servo motor (HVAC actuator) is designed for Citroën C5 X7 and Peugeot 407 facelift models. Built to control the position of heating and ventilation flaps, the unit ensures precise airflow distribution and temperature mixing inside the passenger compartment. Ideal for professional mechanics and experienced DIYers, this part is commonly sought by its product codes and fits as a direct replacement for the original servo motor.
Key Benefits
Reliable flap positioning for consistent cabin temperature. Smooth operation reduces HVAC noise and prevents uneven heating or cooling. Compatible with standard Stellantis electrical connectors and mounting points, making replacement straightforward for workshops and home garages. Searchable by product codes (EAD515, P2861001U, 647947) for quick identification.
How It Works
The servo motor actuates the heater/ventilation blend and mode doors inside the HVAC housing. By converting electrical signals from the climate control module into rotational movement, it adjusts airflow routes and temperature blending. Proper function is essential for correct climate control response and passenger comfort.
Compatibility And Application
Intended For: Citroën C5 X7; Peugeot 407 (facelift). Check the product codes when searching or ordering to match the exact variant required for your vehicle.
Technical Information
- Manufacturer: BEHR
- Model: Citroën C5 X7; Peugeot 407 (facelift)
- Product Codes: EAD515; P2861001U
- Other Numbers: b 44; 647947
Installation Recommendations
Before starting, disconnect the negative battery terminal to avoid short circuits and unintended actuator movements. Accessing the servo motor typically requires removal of center console trim or glovebox panels depending on the vehicle; retain all fasteners and note connector locations. Remove the mounting screws, unplug the electrical connector, and transfer any linkage or bracket if necessary. Fit the new unit in the same orientation, secure the mounting screws, and reconnect the electrical plug. After installation, cycle the climate control through its full range (off → max heat → max cold) so the system can recalibrate door positions if the vehicle supports automatic actuator calibration. Verify correct operation by confirming smooth movement and correct airflow direction/temperature at vents.
Why This Part Fails (Common Causes)
- Plastic Gear Wear Or Breakage: Repeated movement and age can cause internal plastic gears to strip or fracture, leading to loss of positioning.
- Motor Burnout Or Electrical Faults: Shorted windings, worn brushes (in brushed motors), or intermittent wiring/connectors can stop the actuator from responding.
- Moisture And Corrosion: Ingress of moisture or condensation can corrode contacts and gears, especially in older vehicles or after coolant leaks.
- HVAC Door Binding: Debris or warped flaps in the HVAC box increase load and accelerate actuator wear.
Troubleshooting Tips
If you experience incorrect temperature, no airflow change between modes, or audible clicking from the dash, inspect the actuator for free play and check for diagnostic trouble codes in the climate control module. Measure power and ground at the connector to confirm electrical supply before replacing the unit. When replacing, compare the new actuator’s connector and mounting points to the old unit to ensure proper fitment.







