Description
Electric motor for the sunroof (sliding roof) for Peugeot 407 vehicles.
This replacement sunroof motor from Webasto is designed for Peugeot 407 vehicles equipped with a powered sunroof. Ideal for professional workshops and experienced do-it-yourself mechanics, the unit restores smooth opening and closing of the sliding roof when the original motor has worn or failed. The description includes relevant part numbers so you can quickly find the correct spare and order by code.
Technical Information
- Manufacturer: Webasto
- Model: Peugeot 407
- Product Codes: 96836298BJ, 8401VS
- Other Numbers: NFP
Function And Application
The sunroof motor drives the gear mechanism that opens, closes and tilts the sliding roof. It converts electrical power into rotary motion and transfers torque through the gearbox to the sunroof regulator. Proper operation ensures water-tight sealing, correct alignment and quiet movement of the glass panel.
Recommended Replacement Procedure
- Disconnect the negative battery terminal to prevent electrical shorts.
- Remove interior trim and headliner sections as required to access the sunroof assembly.
- Secure the sunroof glass in a safe position to prevent movement during work.
- Unplug the motor electrical connector and unfasten the motor mounting bolts.
- Swap the motor, confirm the gear engagement and reassemble in reverse order.
- Reconnect the battery and perform functional checks: open, close, tilt and check for proper sealing and alignment. Relearn procedures may be required on some vehicles—refer to vehicle-specific service information.
Common Failure Reasons
Sunroof motors typically fail due to worn brushes or commutator wear, water ingress causing corrosion, damaged or stripped gears inside the motor gearbox, and excessive load from a binding regulator or misaligned sunroof track. Symptoms include slow operation, intermittent movement, grinding noises, or complete loss of function.
For garages and DIY mechanics: always verify the condition of the sunroof tracks and regulator mechanism when replacing the motor. Replacing the motor alone may not resolve issues caused by mechanical binding or damaged gears. Ordering by the listed product codes speeds up correct part selection and helps ensure compatibility with Peugeot 407 vehicles equipped with a factory sunroof.
