Description
Overview
The BEHR heater servo motor is a direct-fit actuator designed for Citroën C5 X7 HVAC systems. It controls the blend and ventilation flaps to regulate cabin temperature and airflow, restoring precise climate control for PSA Citroën/Peugeot vehicles. Commonly referenced under the part numbers listed below, it is a standard replacement item for professional workshops and experienced DIYers.
Features
- Direct replacement manufactured by BEHR
- Electric servo motor for blend door / flap control
- Designed for PSA HVAC architecture used on Citroën C5 X7
- Frequently searched by part numbers EAD516, P1975001, 647949
Benefits
Restores accurate temperature mixing and correct airflow direction, reduces clicking noises and intermittent HVAC operation caused by a failing actuator, and brings back reliable climate control performance. Suited for both professional mechanics and knowledgeable DIY enthusiasts.
Installation
Typical replacement requires access to the HVAC housing behind the glovebox or lower dashboard. For safety, disconnect the vehicle battery before starting. Remove the access panels, unplug the electrical connector, unscrew the actuator mounting screws and remove the old unit. Fit the new actuator, secure the screws, reconnect the connector and test. Some vehicles may require an HVAC calibration or performing full-range temperature/recirculation cycles after installation to reset flap positions.
Common Failure Modes
Failures usually occur due to worn or broken plastic gears, internal motor wear, water or debris ingress, or connector/circuit problems. Typical symptoms include no temperature change, incorrect airflow direction, audible clicking behind the dash, or intermittent operation. Failure timing depends on vehicle use, environment and age.
Technical Information
- Manufacturer: BEHR
- Model: Citroën C5 X7
- Product Codes: EAD516, P1975001
- Additional Numbers: 647949
