Description
BEHR heater blower for CITROËN C4 and PEUGEOT 307 II
Product Description
This BEHR heater blower is a direct-fit electric fan motor designed for heating and ventilation systems in Citroën C4 and Peugeot 307 II vehicles. Intended for professional workshops and experienced DIY mechanics, this unit restores reliable cabin airflow, improves heater performance and ensures consistent climate control response. The part is frequently searched by product codes (u2331001, B9506, 6441S6), so using the correct reference number speeds up identification and ordering.
Technical Information
- Manufacturer: BEHR
- Model: Citroën C4, Peugeot 307 II
- Product Codes: u2331001, B9506, 6441S6
- Other Numbers: 6441.S6, pf2a2
Installation Recommendations
Before starting, always disconnect the battery to avoid short circuits and protect vehicle electronics. Typical replacement steps for an experienced mechanic or competent DIYer:
- Gain access to the blower housing (commonly located under the passenger-side dashboard or behind the glovebox).
- Remove trim panels or glovebox as required to reach the blower assembly, keeping fasteners organized for reassembly.
- Disconnect the electrical connector and any wiring clips attached to the blower motor.
- Remove mounting screws or clips securing the blower; extract the old unit carefully to avoid damaging ducts or wiring.
- Install the new blower in the correct orientation, secure all fasteners to manufacturer recommendations, reconnect the electrical connector and test operation at all fan speeds before reassembling trim.
- Replace or inspect the cabin filter and clean the blower housing of debris to prolong service life.
Why The Part Most Commonly Fails
Heater blowers fail mainly due to mechanical wear and environmental contamination. Common causes include worn bearings or brushes (in brushed motors), dust and leaf ingress that jams the fan, moisture or corrosion of electrical contacts, and overheating from clogged cabin filters or prolonged heavy use. Symptoms of a failing blower are reduced airflow, unusual noises (rubbing, grinding or squealing), and intermittent operation at certain fan speeds.
Practical Tips For Reliability
- Check and replace the cabin filter regularly to prevent debris from entering the blower housing.
- Inspect connectors and wiring for corrosion or damage when replacing the unit.
- Test all fan speeds after installation to confirm proper function of the blower and associated control circuits.
- Keep replacement references (product codes) handy when ordering to ensure exact fitment.
