Description
Heater servo motor for Citroën C4 II and Peugeot 308 T7
High-quality Valeo heater servo motor designed as a direct-fit replacement for climate control actuators on Citroën C4 II and Peugeot 308 (T7). This servo precisely positions the HVAC flaps to regulate cabin temperature and air distribution, restoring accurate climate responses and eliminating abnormal noises or inconsistent heating/cooling. Ideal for professional workshops and experienced DIY mechanics searching by part numbers (T1009914P, A6479E7, 64790000000) to ensure quick identification and fitment.
Technical Information
- Manufacturer: Valeo
- Model: Citroën C4 II; Peugeot 308 (T7)
- Product Codes: T1009914P, A 6479E7
- Additional Numbers: 64790000000
- Function: HVAC flap actuator / heater blend-air servo for temperature and air distribution control
- Voltage: 12 V (standard vehicle electrical system)
Installation Recommendations
Disconnect the battery before starting work and follow manufacturer procedures to avoid damage. Typical replacement requires removal of lower dashboard trim or the glovebox to access the HVAC housing. Remove mounting screws, unplug the electrical connector and detach linkage from the old actuator. Fit the new servo making sure linkages engage correctly, secure mounting screws and reconnect the electrical plug. Verify flap movement by running the vehicle’s climate functions; if available, use a diagnostic tool to perform actuator calibration or automatic HVAC relearn procedures. Ensure no obstructions in the ducting before final assembly.
Why This Part Fails Most Often
- Worn or stripped plastic gears inside the servo leading to loss of position accuracy or audible clicking.
- Potentiometer or internal motor wear causing intermittent or no response.
- Moisture ingress or corrosion at the connector or internal electronics.
- Mechanical blockage of flaps causing overload and premature wear.
- Age-related degradation after many years of service, particularly in vehicles with heavy climate use.
Practical Notes For Mechanics And DIY
Search by part codes (T1009914P, A6479E7, 64790000000) to quickly locate the correct unit. When diagnosing, listen for consistent clicking sounds behind the dash or check for failure codes related to HVAC actuator position. Replace faulty servos promptly to prevent strain on the HVAC system and to restore passenger comfort. Keep replacement screws and linkages aligned to avoid binding.
Compatibility And Search Tips
Fits Citroën C4 II and Peugeot 308 (T7) HVAC systems where the listed part numbers match. Commonly sought under Valeo and manufacturer references; use the product codes for fastest match in parts catalogs and search engines.
