Description
Electric motor for sunroof (sliding roof) for Peugeot 407.
High-quality replacement electric motor for the Peugeot 407 sunroof system. Commonly searched by product numbers 96836298BJ and 8401VS, this unit is suitable for vehicles equipped with an electrically driven sliding roof. Designed to restore smooth opening and closing of the glass panel, the motor is a direct-fit solution for mechanics and DIY enthusiasts who need a reliable sunroof actuator for Peugeot 407 models.
Technical Information
- Manufacturer: Webasto (Original Equipment Supplier)
- Model: Peugeot 407 (Vehicles Equipped With Electric Sunroof)
- Product Codes: 96836298BJ, 8401VS
- Other Numbers: Stellantis / CITROEN PEUGEOT References (96836298BJ 8401VS NFP)
Function
The sunroof electric motor converts electrical energy into mechanical motion to drive the sunroof mechanism (cables/gears or worm-gear assembly), controlling opening, closing and tilt functions. It provides the torque required to overcome track resistance and weather seals while synchronizing movement of the glass panel with the roof rails.
Fitment And Compatibility
Fits Peugeot 407 vehicles equipped with a powered sliding/tilt sunroof. Typically found on sedan, SW and coupe variants produced in the 407 model range. Always check that your vehicle is fitted with an electric sunroof mechanism and match the product codes (96836298BJ / 8401VS) when searching for compatibility.
Replacement Procedure
- Disconnect The Battery: Always isolate the vehicle battery before beginning work to avoid short circuits and prevent damage to the motor or vehicle electronics.
- Access The Motor: Remove the headliner trim or access panel above the sunroof area to reach the motor housing. Keep trim clips and screws organized for reassembly.
- Document Position: Note or mark the motor’s final position/gear index before removal to preserve alignment.
- Disconnect Electrical Connector: Carefully unplug the motor connector and any attached harnesses.
- Unbolt The Motor: Remove mounting screws or bolts securing the motor to the sunroof mechanism and extract the unit.
- Install New Motor: Fit the replacement motor, secure fasteners to the correct torque, reconnect the electrical connector and restore the motor’s indexed position if required.
- Test Operation: Reconnect the battery and cycle the sunroof through all functions (open/close/tilt) to confirm smooth movement and correct limit positions before reinstalling trim.
- Reassemble Trim: Refit the headliner/access panels and verify there are no rattles or binding after a final test.
Why The Part Most Commonly Fails
- Wear Of Internal Gears: Plastic or metal gear sets inside the motor assembly can wear or strip over time, causing loss of drive.
- Water Ingress And Corrosion: Blocked sunroof drains or degraded seals allow moisture to reach the motor, corroding electrical contacts or gear surfaces.
- Mechanical Binding: Misaligned tracks or debris in the sunroof channels increase load on the motor, leading to overheating and eventual failure.
- Electrical Issues: Intermittent wiring faults, connector corrosion or blown fuses can mimic motor failure; always check electrics first.
- Aging And High Cycle Counts: Motors used frequently or on older vehicles can simply reach the end of their service life.
Installation Recommendations
- Follow Safety Procedures: Disconnect the battery and follow manufacturer guidance for trim removal to avoid damaging the headliner or airbags.
- Inspect And Clean Tracks: Before installing the new motor, clean the sunroof tracks, clear drain channels and lubricate sliding surfaces with a recommended lubricant.
- Check Electrical Supply: Verify fuses, wiring and connector integrity to ensure the new motor receives correct voltage and ground.
- Align Limit Positions: If the sunroof control requires limit setting, set upper and lower limits per vehicle procedure so the motor does not overload.
- Use Correct Fasteners: Re-fit using original type and torque for mounting screws to avoid deformation or future loosening.
- Test Thoroughly: Cycle The Sunroof Multiple Times After Installation To Confirm Smooth, Quiet Operation And Proper Sealing.
Many buyers search by the product codes 96836298BJ and 8401VS — include these numbers when looking for this electric sunroof motor for a Peugeot 407. Suitable for professional workshops and competent DIY mechanics who want a direct-fit replacement to restore proper sunroof operation.
