Description
Heating servo motor for Citroën and Peugeot vehicles.
Product Overview
This Valeo heating servo motor (HVAC actuator) is designed for Citroën and Peugeot ventilation and heating systems. It controls flap positions inside the heater box to regulate airflow direction and temperature blend. The unit supplied is a used part suitable for professional workshops and experienced DIY mechanics looking for a direct replacement part that restores HVAC functionality.
Technical Information
- Manufacturer: Valeo
- Model: Citroën C2, Citroën C3, Citroën C4 II, Peugeot 308
- Product Codes: T1009914P, 6479E7
- Other Numbers: Stellantis References T1009914P / 6479E7
Fitment
Commonly fitted to various Citroën and Peugeot models from the same generation and HVAC family, including Citroën C2, C3, C4 II and Peugeot 308. Compatibility may depend on model year and equipment level; suitability is most often confirmed by matching the part codes printed on the original actuator.
Function
The actuator moves internal heater/ventilation flaps (air distribution/flap blend) or directly drives temperature control flaps. Proper operation ensures accurate airflow routing to windshield, face or feet vents and precise temperature mixing between heater core and ambient air. Faulty actuators typically cause incorrect vent selection, noise from the dash, or inability to change cabin temperature.
Common Failure Modes
- Worn or stripped plastic gears leading to play or complete loss of movement.
- Sticking flaps due to dirt, leaves or water ingress that overloads the motor.
- Electrical faults inside the motor (brush wear) or corrosion at connector pins.
- Intermittent operation caused by failing position sensors/potentiometers inside the actuator.
Installation Recommendations
Replacement is generally straightforward for a trained technician or competent DIY mechanic but access often requires partial dismantling of the lower dash or glovebox. Typical steps:
- Disconnect the battery before starting to avoid short circuits and preserve vehicle electronics.
- Remove glovebox or trim panels to access the heater box area where the actuator is mounted.
- Unplug the electrical connector and remove the retaining screws or clips securing the actuator.
- Install the replacement actuator, secure fasteners, reconnect the plug and reassemble trim.
- After installation, cycle the HVAC controls through all positions to confirm correct movement and absence of binding or noise.
Allow 30–90 minutes for replacement depending on vehicle and access. Use care with fragile dash panels and connector clips.
Why Replace With This Part
Replacing a failed actuator restores reliable climate control response and eliminates unwanted noises and incorrect airflow. Using a part that matches the original product codes ensures correct fit and mechanical interface with the existing heater box and flap shafts.
