Description
Find a reliable Valeo heater servo motor compatible with Citroën C2, C3 and various Peugeot models. Designed for professional mechanics and DIY enthusiasts, this used Valeo unit provides direct fitment and precise control of the HVAC blend door to maintain stable cabin temperature and comfort.
Features And Benefits
The Valeo heater servo motor offers accurate positioning of the HVAC actuator, improving temperature regulation and ventilation control. Benefits include:
- Direct fit for specified PSA models with original product codes.
- Precise blend-door control for quicker and more consistent cabin heating or cooling.
- Robust construction suitable for everyday use in passenger vehicles.
Installation And Fitment
Typical replacement is straightforward for experienced technicians and competent DIYers. General steps:
- Disconnect the vehicle battery to prevent short circuits.
- Remove the glovebox or lower dash panel to access the HVAC housing (location can vary by model).
- Identify the servo actuator on the heating/ventilation box, unplug the electrical connector and remove the fixing screws.
- Fit the replacement servo motor, secure the screws, reconnect the connector and reassemble panels.
- Reconnect the battery and run the HVAC through several position cycles to confirm correct operation. Some PSA models may require a simple position calibration or cycle sequence after installation.
Common Faults And Durability
Typical failure causes include worn internal gears, motor electrical wear, moisture ingress, connector corrosion or mechanical jamming of the blend door. Lifespan depends on vehicle age, usage patterns and environmental conditions; failures are more common after many years of service or in vehicles exposed to damp conditions.
Technical Information
- Manufacturer: Valeo
- Model: Citroën C2, C3 and compatible Peugeot models
- Product Codes: F663746X.B, F663746X.C, 6447NL
- Other Numbers: 6447NL
Condition And Quality
This is a used Valeo heater servo motor. The part has been carefully tested to ensure reliable electrical and mechanical function and meets quality expectations for reuse. Replacement with a functioning actuator restores correct HVAC blend-door control and improves cabin comfort.
If you are unsure about fitment for a specific Peugeot model, please verify the product codes (F663746X.B / F663746X.C / 6447NL) against your vehicle’s existing part number. For professional results, installation by an experienced mechanic or a technician familiar with PSA HVAC systems is recommended.
