Description
BEHR heater servo motor for CITROEN C5 X7 and PEUGEOT 407 facelift cars
Part description
We are selling a used heating servo motor brand BEHR intended for Citroën and Peugeot cars. It is an electromechanical part that typically controls the position of the dampers in the heating/air conditioning system, thereby influencing the direction and mixing of air in the cabin. If you are dealing with malfunctioning temperature regulation or irregular flap behavior, replacing the servo motor is usually a quick and effective solution.
Comparing the part numbers and markings from your original servo is key to making the right choice – many versions differ in connector, mount or range of rotation.
Technical information
- Manufacturer: BEHR
- Model: Citroën C5 X7, Peugeot 407 facelift
- Other numbers: Stellantis CITROEN PEUGEOT; P2861001U; b 42; 647947
Product codes
- Product codes: EAD515, P2861001U, 647947
Installation recommendations
Generally/typically, replacing the heating servomotor is work on an electrical part with a mechanical connection to the damper. The exact procedure and approach varies according to the specific model and make of the vehicle.
1) Before assembly
- Compare old and new part: numbers EAD515 / P2861001U / 647947, body shape, mount, shaft orientation and connector type.
- Check for cracked mounts, damaged connector or squeezed groove/shaft.
- If possible, gently check for smoothness (without violence) and whether the transmission is “stuck”.
2) Necessary tools and materials
- Basic set of screwdrivers and socket wrenches (according to design)
- Plastic pry bar for removing covers/linings
- Flashlight
- Contact cleaner (recommended) and cloth
3) Step-by-step assembly procedure
- Turn off the ignition and disconnect the battery to be safe (this is the recommended standard for electronics).
- Give access to the servo motor – typically by removing the relevant cover/trim (procedure depends on the car).
- Take a picture of the position of the connector and wiring so that you can put everything back exactly.
- Disconnect the electrical connector – do not pull on the cables, release the connector lock.
- Loosen the servomotor mounting screws and carefully remove the part.
- Check the mechanical part of the flap/axis in the heating element: it must move freely, without rubbing.
- Clean the seating surface and the surrounding area (dust can worsen the seating and cause stress).
- Place the servo motor in the correct position so that the shaft/groove fits without force.
- Tighten the fasteners evenly (without pulling) and check that the part sits “flat”.
- Connect the connector and make sure the connector lock clicks.
- Reinstall the removed covers/trims.
- Connect the battery, turn on the ignition and let the system initialize (if the car does it automatically).
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4) Post-assembly checks and test drive/function verification
- Try changing the temperature and air flow direction throughout the range of settings.
- Watch for clicking/skipping gears or settings fluctuation.
- After a short drive, check the function again – some symptoms will only appear after the interior has warmed up/cooled down.
5) The most common assembly mistakes + how to avoid them
- Wrong servo version (different number/connector): always compare codes and designs before assembly.
- Switched wiring / improperly clicked connector: after connection, check the locking and routing of the cables.
- Stuttering damper: even a new servomotor can fail if the damper mechanism is stiff – check for free movement before installation.
- Wear of gears and servo mechanics due to frequent adjustment of flaps.
- Stiff or rubbing dampers in the heater – the servo is overloaded and will go away over time.
- Moisture and oxidation in the connectors or around the HVAC box.
- Voltage fluctuations or problems in the electrical installation (bad contact, transition resistance).
- Incompetent handling during disassembly/assembly (damage to the connector, broken handles).
