Description
Heater blower motor with regulator for CITROËN C4 PICASSO. HVAC Manufacturer DENSO
This Denso heater blower motor with integrated regulator (part numbers 6441CG / 6441CE) is a direct-fit replacement designed for Citroën and Peugeot HVAC systems. Built to restore proper airflow through the heater and air conditioning ducts, this blower unit delivers reliable performance for workshop repairs and DIY maintenance. It is often searched by its product codes 6441CG and 6441CE, making it easy to find when ordering or cross-referencing spare parts.
Application And Function
The blower motor supplies forced air for cabin heating, ventilation and air conditioning. The integrated regulator controls fan speed steplessly across the HVAC settings, allowing the climate system to deliver consistent airflow at each selector position. Correct operation of the blower motor is essential for demisting, passenger comfort and HVAC efficiency.
Installation
Replacement is straightforward for experienced technicians and competent DIYers familiar with interior trim removal. Typical steps:
- Disconnect The Battery Before Work To Avoid Short Circuits And To Protect Electronics.
- Remove The Necessary Interior Trim Or Glovebox To Access The Blower Housing.
- Unplug The Electrical Connector And Remove Mounting Screws Or Clips Securing The Blower Unit.
- Extract The Old Blower Assembly, Swap To The New Unit And Ensure The Regulator Is Correctly Oriented.
- Reinstall Fasteners, Reconnect The Connector And Reconnect The Battery. Verify All Fan Speeds And HVAC Functions.
Installation Recommendations
- Always Disconnect The Battery Before Demounting The Blower Motor.
- Follow Manufacturer Trim-Removal Procedures To Avoid Breaking Clips Or Panels.
- Inspect The Cabin Filter, Ducts And Drain Channels For Debris; Replace The Cabin Filter If Contaminated.
- Check Electrical Connectors For Corrosion And Secure Connections Thoroughly.
- Test All Fan Speeds After Installation; If Speeds Are Missing, Verify Fuses And The Regulator Circuit.
Why This Part Fails Most Often
Common failure causes include bearing Wear And Seizure From Age Or Contamination, Foreign Objects Or Leaves Entering The Blower Wheel, Water Ingress Or Corrosion At The Electrical Connector, And Failure Of The Integrated Speed Regulator. Overheating Due To Blocked Airflow Or A Dirty Cabin Filter Can Also Shorten Service Life.
Maintenance Tips
- Regularly Replace The Cabin Filter To Reduce Debris Ingress.
- Keep HVAC Drain Channels Clear To Prevent Water Reaching The Blower Motor.
- Inspect The Blower Operation During Routine Service Intervals; Unusual Noise Or Reduced Airflow Are Early Warning Signs.
Technical Information
- Manufacturer: Denso
- Model: Citroën C4 Picasso; Xsara
- Product Codes: 6441CG, 6441CE
- Other Numbers: Stellantis Citroën Peugeot
This blower motor is intended for professionals and skilled DIYers who perform climate system repairs. When replacing the unit, confirm that the part codes match the vehicle’s original part number to ensure correct fitment and restore full HVAC performance.
