Description
Heating actuator motor for Citroën and Peugeot vehicles. You may receive a direct replacement. HVAC motor-reducer.
This Valeo heating actuator (servo) is a direct-fit solution for climate control systems on a range of Citroën and Peugeot models. Designed for workshop use and DIY repairs, the unit restores reliable control of airflow routing and temperature blend doors, helping to eliminate stuck flaps, inconsistent cabin heating or cooling, and unwanted noises from the HVAC box. The part is commonly searched by product codes, so finding the correct reference for fast replacement is straightforward.
Technical Information
- Manufacturer: Valeo
- Model: Heating Actuator Motor / HVAC Servo Motor
- Product Codes: T1006419G, 0109151B
- Other Numbers: 6447NL
Compatibility
Commonly Fitted To: Citroën C2, Citroën C3, Citroën C4 II, Peugeot 308. Always check the product codes against the unit being replaced to ensure proper fitment.
Function
The actuator motor moves internal HVAC flaps (blend doors and distribution doors) to control cabin temperature and airflow direction. It converts electrical signals from the climate control module into precise mechanical movement via a small geared motor and potentiometer feedback.
Why The Part Fails Most Often
- Wear Of Internal Plastic Gears: Repeated movement and age can strip or deform gear teeth, causing intermittent or total loss of movement.
- Electrical Wear: Worn motor brushes or degraded internal motor components reduce torque and lead to failure.
- Contamination And Moisture: Dust, debris or moisture ingress can cause binding or corrosion of moving parts and connectors.
- Heat And Ageing: Long-term exposure to cabin heat accelerates material degradation.
How To Replace
Replacement Is Straightforward For Experienced Technicians And Competent DIYers: Access Typically Requires Removal Of The Glovebox Or Lower Dashboard Panels To Reach The HVAC Housing. Steps:
- Disconnect The Battery Before Starting Work.
- Remove Interior Trim Panels As Required To Access The Actuator.
- Unplug The Electrical Connector And Unscrew The Fixing Screws Or Clips Holding The Actuator.
- Fit The New Unit In The Same Orientation, Secure With Screws/Clips And Reconnect The Plug.
- Test The Actuator Operation By Cycling The Climate Controls And Verifying Full Movement Before Reassembling Trim.
Installation Recommendations
- Disconnect The Battery Prior To Any Work To Avoid Short Circuits Or Unintended ECU Behaviour.
- Inspect Related HVAC Linkages, Flaps And Ducts For Debris Or Damage While The Unit Is Accessible.
- Ensure The Connector Is Clean And Free Of Corrosion; Apply Contact Cleaner If Needed.
- Test The New Actuator Through Its Full Range Before Final Reassembly.
- Use Appropriate Tools And Take Care With Fragile Dash Trim Clips To Avoid Breakage.
Suitable For
Workshops, Independent Garages And Competent DIY Enthusiasts Performing Climate-Control Repairs On Citroën And Peugeot Vehicles That Use The Listed Product Codes.







