Description
Heating fan – left rear, for CITROËN C4 PICASSO and GRAND PICASSO first generation. Fan speed regulator can be purchased separately.
Product Description
High-quality replacement heating fan (blower motor) designed for the left-rear position in first-generation Citroën C4 Picasso and Grand C4 Picasso models. This blower unit restores reliable cabin airflow for heating and ventilation systems and is a direct-fit option for workshops and DIY mechanics looking for a durable OEM-compatible part. Ideal for use when noise, reduced airflow or intermittent operation indicate a failing blower motor.
Technical Information
- Manufacturer: Stellantis / Citroën
- Model: Citroën C4 Picasso (1st Generation), Citroën Grand C4 Picasso (1st Generation)
- Product Codes: 9650872580
- Additional Numbers: 9688094980, 6441X4
Compatibility
Fits first-generation Citroën C4 Picasso and Grand C4 Picasso vehicles. Use the listed product codes to cross-check fitment with parts catalogs or vehicle-specific documentation before installation.
Function And Common Symptoms
The heater blower motor circulates air through the HVAC system to provide cabin heating, ventilation and demisting. Common symptoms of a failing unit include reduced or no airflow from the vents, unusual grinding or rattling noises, intermittent operation, or complete loss of blower function.
Why This Part Most Commonly Fails
- Wear On Brushes And Commutator: Over time, brushes wear down causing intermittent contact and loss of power.
- Worn Or Seized Bearings: Bearings can deteriorate leading to increased noise and motor seizure.
- Debris In Inlet/Impeller: Leaves, dust or small objects can clog the fan and damage the impeller.
- Moisture Ingress: Water or condensation can corrode electrical connections or the motor windings.
- Electrical Faults Or Resistor Failure: Often the fan speed regulator (resistor/module) fails and should be considered when diagnosing variable-speed issues.
Replacement Guide
Basic replacement steps for experienced mechanics or competent DIYers:
- Disconnect The Vehicle Battery Before Starting Work To Avoid Short Circuits.
- Gain Access To The Left-Rear HVAC Area By Removing Relevant Trim Panels Or Covers (Depending On Model Configuration).
- Unplug The Electrical Connector From The Blower Motor And Remove Mounting Screws Or Clips Holding The Unit In Place.
- Extract The Old Blower Motor Assembly, Inspect The Ducting And Clean Any Debris From The Housing.
- Fit The New Blower Motor, Secure Mounting Fasteners, Reconnect The Electrical Connector And Reassemble Trim Panels.
- Reconnect The Battery And Test All Fan Speeds And HVAC Functions. If Speed Control Is Erratic, Check The Fan Speed Regulator (Sold Separately).
If You Are Not Confident With Disassembly Or Electrical Diagnosis, Have The Replacement Performed By A Qualified Technician.
Installation Recommendations
- Always Disconnect The Battery Before Removing The Blower Motor To Prevent Electrical Damage.
- Inspect The Cabin Filter When Replacing The Blower Motor; A Clogged Filter Increases Motor Load And Accelerates Wear.
- Clean The Blower Housing And Air Ducts To Remove Debris That Could Cause Noise Or Imbalance.
- Replace The Fan Speed Regulator If Symptoms Indicate Resistor Or Control Module Failure, Since The Regulator Is Often Sold Separately.
- Use Correct Torque For Fasteners And Ensure A Secure Electrical Connection To Avoid Future Failures.
Durability And Maintenance
Blower Motors Typically Provide Many Years Of Service, But Lifespan Varies With Usage, Air Quality And Moisture Exposure. Regular Cabin Filter Replacement And Periodic Housing Cleaning Extend Motor Life And Maintain HVAC Performance.
Parts And Cross-References
Common Part Numbers To Check When Ordering: 9650872580, 9688094980, 6441X4. Use These Codes For Accurate Search In Parts Catalogs.
