Description
Heating servo motor for Citroën and Peugeot vehicles. You may receive a direct replacement. Climate control gearmotor.
Product Overview
This Valeo heating servo motor (HVAC actuator) is a direct-fit solution commonly used on Citroën and Peugeot models. It replaces worn or noisy blend/air-distribution actuators and restores correct flap movement in the climate control unit. Frequently searched by part numbers such as T1006419G, 1205091B and 6447NL, this servo motor is intended for professional workshops and competent DIY technicians who service cabin heating and ventilation systems.
Function And Symptoms
The servo motor drives the internal HVAC flaps (blend door/recirculation/air-distribution) via a small DC motor and reduction gears to direct airflow and regulate cabin temperature. Common symptoms of a failing actuator include intermittent operation, stuck or incorrect airflow direction, inability to change temperature distribution, and audible clicking or grinding noises from the dashboard. Electrical faults such as corroded connectors or internal motor wear can also cause erratic behaviour.
Technical Information
- Manufacturer: Valeo
- Model: Citroën C2, Citroën C3, Citroën C4 II, Peugeot 308
- Product Codes: T1006419G, 1205091B, 6447NL
- Other Numbers: 1205091B / 6447NL
Installation Recommendations
Always disconnect the battery before beginning work and follow the vehicle manufacturer’s removal procedure to avoid damage. Typical replacement steps: remove the necessary dash or glovebox panels to access the HVAC housing, unplug the actuator electrical connector, remove retaining screws, replace the unit and refit screws and panels. After installation, operate the climate controls through all positions to verify full range of motion and silence of operation. Do not force linkages; inspect flap gears and linkage for damage before final assembly. Clean any debris inside the HVAC housing and check the condition of the cabin filter to reduce load on the new actuator.
Why This Part Fails Most Often
Failure is most commonly due to mechanical wear of the reduction gears (plastic teeth stripping), worn motor brushes, contamination or water ingress, and increased load from obstructed flaps or degraded heater/evaporator foam. Age and high-cycle usage accelerate wear. Regular inspection of the HVAC system and timely replacement of clogged cabin filters can extend actuator life.
Notes For Fitment And Use
Searches by product number (T1006419G, 1205091B, 6447NL) are common when looking for a compatible actuator. This unit is suitable as a direct replacement on the models listed, but ensure proper mechanical installation and perform function checks after mounting. If abnormal noise persists, inspect the flap mechanism and surrounding components for damage or obstruction.
