Description
BEHR heater servo motor for CITROEN C5 X7 and PEUGEOT 407 facelift cars
Part description
The BEHR heating servo motor (actuator) is an electrical component used in the heating/air conditioning system to control the respective dampers. If you are dealing with malfunctioning temperature regulation, incorrect air routing or irregular heating behavior, the servo motor is one of the frequent culprits.
The supplied part is intended for Citroën C5 X7 and Peugeot 407 facelift. When choosing, it is crucial to compare the markings and product codes directly on the part.
Technical information
- Manufacturer: BEHR
- Model: Citroën C5 X7; Peugeot 407 facelift
- Other numbers: 12 647947
Product codes
- Product codes: EAD515; P2861001U; 12 647947
Installation recommendations
Generally/typically for heating servomotors the following procedure applies. The exact steps may vary depending on the specific design of the heating/air conditioning in the car.
1) Before assembly
- Compare the original and new servo motor: connector, mounting, body shape, markings and codes (EAD515, P2861001U, 12 647947).
- Check the condition of the connector and pins (oxidation, loosening, damage), or clean with a suitable contact preparation.
- Inspect the mechanical part (output/axis): it must not be cracked, squeezed or violently twisted.
2) Necessary tools and materials
- Basic set of bits/screwdrivers and ratchet according to the used connecting material
- Small plastic pry bar (for removing covers without damage)
- Flashlight
- Preparation for cleaning electrical contacts (as needed)
3) Step-by-step assembly procedure
- Turn off the ignition and disconnect the battery to be safe (to reduce the risk of short circuits and errors in the system).
- Provide access to the servo motor by removing the necessary covers/panelling (the procedure varies by car model).
- Disconnect the electrical connector of the servomotor – do not pull on the wiring, release the connector’s fuse.
- Loosen the fixing screws/grips and carefully remove the servomotor.
- Check the counterpart (lever/flap) for binding or mechanical damage.
- Place the servomotor in the correct position so that it sits without force and fits in the mount.
- Tighten the fastening adequately so as not to break the plastic parts.
- Connect the electrical connector and check its firmness.
- Reinstall the removed covers/trims.
- Connect the battery and turn on the ignition.
- Perform a basic functional check of temperature control and change of airflow modes (if available).
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4) Post-assembly checks and functional test verification
- Verify that setting changes (temperature/modes) have the expected response and the system works smoothly.
- Listen for unusual noises (clicking, skipping), which may indicate a problem with the valve or misalignment.
- If the car uses flap initialization/calibration after disconnecting the battery, allow the system to “catch up” briefly after turning on the ignition (according to common practice).
5) The most common assembly mistakes + how to avoid them
- Swapping a similar servo motor – always compare codes and connector/mount designs.
- Forcible deployment out of the correct position – can damage the servomotor or flap; everything must fit without prying.
- Connector damage – disconnect/connect by the body of the connector, not by the cables.
- Ignoring a Stuttering Flap – if the flap is stiff, the new servo motor may go out soon.
Reasons why the part is damaged
- Mechanical resistance of the flaps (stuttering, dirt, damaged mechanism) leads to overloading of the motorcycle.
- Wear of gears and internal plastic parts during long-term operation.
- Moisture and oxidation in the connector or around the unit (unstable contact, interruptions).
- Electrical spikes / poor power supply (e.g. weak battery, unprofessional interventions in electrical installation).
- Improper installation – incorrect seating, overstretching of the attachment or manipulation of the flap “by force”.
