Description
Product Overview
The Valeo Power Steering Heater Servo Motor F663746L/B 6447NL is designed specifically for Citroën and Peugeot vehicles, including popular models such as the Citroën C2 and C3. This component plays a crucial role in regulating the heating system by controlling airflow and temperature through precise movements of the HVAC actuators. It ensures comfortable cabin temperatures and reliable climate control performance throughout the driving experience.
This servo motor is particularly valued among professional mechanics and DIY enthusiasts repairing or maintaining Peugeot and Citroën vehicles. It is often searched by its part numbers F663746L/B or 6447NL, which makes it easy to locate and order replacement units that guarantee compatibility and optimal function.
Function and Replacement
The heater servo motor operates by adjusting the blend doors inside the heating and air conditioning system. Its failure can cause issues such as inadequate heating, inability to change airflow direction, or erratic climate control behavior. Common signs of wear include sluggish response or complete non-function of temperature settings. Replacement is typically straightforward, involving access behind the dashboard or HVAC housing, disconnecting the faulty motor, and installing the new unit securely.
Regular maintenance of the HVAC components extends comfort and performance, with replacement intervals varying depending on vehicle use and environmental conditions. Keeping the servo motor in good condition ensures efficient cabin heating and cooling control, supporting driver and passenger comfort regardless of weather conditions.
Technical Information
- Manufacturer: Valeo
- Models: Citroën C2, Citroën C3, additional Citroën and Peugeot models
- Product Codes: F663746L/B, 6447NL
- Other Numbers: Commonly referenced under PSA part numbering for easy identification