Description
Electronic heater fan regulator for Citroën C8 and Peugeot 807
This heater fan control module is a direct-fit electronic regulator designed for Citroën C8 and Peugeot 807 models. Ideal for professional workshops and DIY mechanics, the unit restores precise blower motor speed control across all fan settings. Commonly searched by part numbers, this module improves cabin comfort and ensures reliable operation of the heating and ventilation system.
Key Benefits
- Direct replacement for original blower control electronics on Citroën C8 and Peugeot 807.
- Restores smooth fan speed regulation and eliminates stuck or single-speed operation.
- Fits original connector and mounting locations for straightforward installation.
- Often referenced by OE codes for fast identification: 8390149, 6441AV, 6441AW.
Fitment And Application
Designed for Citroën C8 and Peugeot 807 MPV models. Frequently used in repairs where the blower motor does not respond to the climate control selector, operates only on one speed, or runs intermittently. Suitable for technicians and experienced home mechanics familiar with HVAC system access procedures.
Technical Information
- Manufacturer: Stellantis
- Model: Citroën C8, Peugeot 807
- Product Codes: 8390149, 6441AV, 6441AW
- Additional Numbers: 6441AV / 6441AW (alternative designations commonly used in parts catalogs)
Installation Recommendations
- Disconnect The Battery Before Work: Always disconnect the negative battery terminal before starting to prevent electrical damage and avoid short circuits.
- Access Location: The regulator is usually mounted in the blower motor housing or on the heater box under the glovebox or lower passenger dash. Remove trim panels and the glovebox as required to reach the unit.
- Removal Steps: Unplug The Electrical Connector, remove mounting screws or clips, and extract the module. Inspect The Blower Motor Connector And Harness For Corrosion Or Heat Damage.
- Installation Steps: Fit The New Module In The Correct Orientation, secure fasteners to the original torque where applicable, reconnect the electrical connector, and reassemble interior panels.
- Final Check: Reconnect The Battery And Test Fan Operation Across All Speeds. Verify There Are No Unusual Noises Or Overheating.
- Professional Tools: Use standard hand tools and, if available, a multimeter to check supply voltages and continuity before and after replacement.
Why This Part Commonly Fails
- Electrical Wear: Internal electronic components can degrade over time with normal use, leading to loss of speed control or complete failure.
- Moisture And Corrosion: Water ingress or high humidity can corrode terminals and circuit traces, especially if the blower housing seals are compromised.
- Overload From Faulty Blower Motor: A worn or seized blower motor increases current draw, which can overheat and damage the regulator.
- Connector And Harness Damage: Heat, vibration, or rodent damage to wiring can cause intermittent operation or open circuits.
- Symptoms Of Failure: Fan Runs Only On One Speed, No Fan Operation, Intermittent Function, Or Burning Smell From Dash Area.
Practical Tips
- Inspect The Cabin Air Filter And Blower Motor When Replacing The Regulator; A Blocked Filter Or Faulty Motor Shortens Regulator Life.
- Clean Connectors And Apply Dielectric Grease To Prevent Future Corrosion.
- When Replacing, Compare Mounting Points And Connector Pinout To Ensure Correct Part Number Match.
Search And Identification
Customers often search using OE numbers 8390149, 6441AV, or 6441AW. Use these codes when locating the correct part for Citroën C8 and Peugeot 807 applications to speed up identification in parts catalogs.
