Description
Servo heater motor for CITROËN C4 and PEUGEOT 307 II. Climate control motor-reducer BEHR
High-quality replacement heater servo motor designed for Citroën C4 and Peugeot 307 II HVAC systems. This Behr motor-reducer restores accurate flap and temperature control in the climate system, eliminating common symptoms such as stuck flaps, incorrect cabin temperature or noisy operation. Ideal for professional technicians and experienced DIY mechanics who search by part number (for example EAD512, H1959, 6447RZ) to find a direct-fit solution for the HVAC box.
Key Features
- Direct Fit For Citroën C4 And Peugeot 307 II HVAC Units
- Behr Motor-Reducer Designed For Smooth Flap Control
- Restores Proper Airflow Distribution And Temperature Regulation
- Often Searched By Product Codes: EAD512, H1959, 6447RZ, 6447RF
- Suitable For Garage Repairs And DIY Climate System Overhauls
Technical Information
- Manufacturer: Behr
- Model: Citroën C4 / Peugeot 307 II
- Product Codes: EAD512, H1959
- Other Numbers: 6447RZ, 6447RF
Installation Recommendations
Before starting, always disconnect the battery and follow the vehicle manufacturer’s safety procedures. Typical replacement steps:
- Remove necessary trim or glovebox to access the HVAC housing (location varies by model).
- Disconnect the electrical connector to the servo motor and note any connector orientation.
- Remove the fixing screws or clips securing the motor to the HVAC unit and extract the actuator.
- Fit the new motor, ensuring correct spline engagement with the flap shaft and secure fasteners.
- Reconnect the electrical plug, reassemble trim, reconnect the battery and perform a function test by cycling the climate controls through all modes.
Use appropriate hand tools (commonly Torx or Phillips) and avoid forcing splines or plastic gears. After installation, verify correct flap travel and recalibrate the system if required by the vehicle procedure (cycle through full HVAC modes to allow automatic calibration).
Why It Typically Fails
- Mechanical Wear: Plastic gears and splines can wear or strip over time, causing slippage or loss of movement.
- Electrical Wear: Internal motor brushes or potentiometers may degrade, leading to intermittent or no operation.
- Moisture And Corrosion: Water ingress or condensation can corrode connectors and internal components.
- Overload And Jamming: Foreign debris in the HVAC box or seized flaps increase load and accelerate failure.
Replacing the servo motor is an effective way to restore reliable climate control operation. Check the actuator mounting, wiring and fuses before replacement to avoid repeat failures. This part is a practical choice for workshops and competent DIYers looking to repair Citroën C4 and Peugeot 307 II heating and ventilation faults quickly and cost-effectively.
