Description
Heater Blower – Left Rear, For Citroën C4 Picasso And Grand Picasso First Generation. Speed Regulator Can Be Purchased Separately.
Product Overview
This left rear heater blower is a direct-fit electric fan assembly designed for the first generation Citroën C4 Picasso and Grand C4 Picasso. It provides cabin airflow for the rear-left venting circuit and is frequently replaced as a maintenance or repair item in vehicles with reduced or noisy climate control performance. The fan motor is supplied as the complete blower unit; the speed regulator (resistor/module) is available separately.
Function And Application
The blower motor forces air through the heating and ventilation ducts to the rear-left passenger area. Proper blower operation is critical for interior comfort, window demisting and even distribution of heated or cooled air. Typical applications are Citroën C4 Picasso I and Grand C4 Picasso I where the left rear blower serves the second-row ventilation circuit.
Technical Information
- Manufacturer: Stellantis
- Model: Citroën C4 Picasso I, Grand C4 Picasso I
- Product Codes: 9688094980, 6441X4
- Other Numbers: 9650872580
Typical Symptoms Indicating Replacement
- No Airflow Or Very Low Airflow From Rear-Left Vents
- Intermittent Operation Or Fan Only Works On One Speed
- Unusual Noise Such As Grinding, Rattling Or Squealing From Rear Console Area
- Burning Smell Or Excessive Current Draw (Possible Motor Overload)
Replacement Procedure (General Guidance)
Designed For Mechanics And Experienced DIYers. Steps Below Give A Practical Overview — Follow Manufacturer Repair Manual For Vehicle-Specific Details:
- Disconnect The Battery Before Starting To Prevent Short Circuits And Protect Vehicle Electronics.
- Remove Interior Trim Panels Or Rear Console Covers To Access The Rear-Left Blower Housing.
- Unplug The Electrical Connector And Note Connector Orientation.
- Unscrew The Mounting Fasteners Securing The Blower Assembly And Withdraw The Unit From Its Housing.
- Fit The New Blower In Reverse Order, Ensure Gaskets/Seals Are Correctly Seated, Reconnect Electrical Connector And Reinstall Trim.
- Restore Battery Power And Verify Operation At All Fan Speeds. If The Fan Works Only On Some Speeds, Inspect/Replace The Speed Regulator Module.
Installation Recommendations
- Always Disconnect The Battery Before Removal Or Installation To Protect The Vehicle Electronic Systems.
- Inspect Wiring And Connectors For Corrosion Or Heat Damage; Replace Any Compromised Parts.
- Check The Air Inlet For Debris Or Foreign Objects That Could Reproduce Noise Or Damage The New Unit.
- Replace The Speed Regulator If The Old Unit Exhibited Intermittent Speed Control Or Electrical Faults.
- When Reassembling, Ensure All Clips And Fasteners Are Secure To Avoid Rattles And Air Leaks.
Most Common Failure Causes
- Worn Motor Brushes Or Bearings Leading To Noise Or Motor Seizure.
- Ingress Of Dirt, Leaves Or Small Objects Into The Fan Housing Causing Imbalance And Premature Wear.
- Moisture Or Corrosion Affecting Electrical Connections Or The Motor Windings.
- Faulty Speed Regulator/Resistor Causing Loss Of Speed Control Or Intermittent Operation.
- Overheating From Excess Current Draw When Airflow Is Restricted.
Why Choose This Part
Direct-fit part numbers referenced in the technical information make this blower easy to find by code during ordering. The unit restores proper rear-left ventilation and eliminates noise and performance issues caused by a failing blower motor. Ideal For Workshops And DIY Enthusiasts Looking For A Straightforward Replacement Solution.
Compatibility Notes
Fits First Generation Citroën C4 Picasso And Grand C4 Picasso Models. Verify The Part Numbers Listed In The Technical Information Match Your Vehicle Build When Selecting Parts.
