Description
Electric Motor For Sunroof (Sliding Roof) For Peugeot 407
This Webasto Electric Sunroof Motor is designed for the Peugeot 407 and is an ideal replacement unit for technicians and DIY enthusiasts working on sunroof drive faults. The motor drives the sunroof gearset to open and close the sliding roof smoothly; when the motor fails, common symptoms include complete loss of movement, grinding noises during operation, or intermittent function. Keywords: Sunroof Motor, Peugeot 407 Sunroof Motor, Webasto 96836298BJ, 8401VS, Sunroof Actuator, Sunroof Repair.
Technical Information
- Manufacturer: Webasto
- Model: Peugeot 407
- Product Codes: 96836298BJ, 8401VS
- Additional Numbers: Stellantis, CITROEN PEUGEOT, NFP
Compatibility
Fits Peugeot 407 vehicles equipped with an electric sliding sunroof. May be fitted to Saloon (Sedan), SW (Estate) or Coupé variants depending on factory equipment and sunroof version. Verify part numbers 96836298BJ and 8401VS against the vehicle’s existing motor to confirm compatibility before installation.
Function And Typical Symptoms
The motor converts electrical power into rotational torque to drive the sunroof gearbox and cables, enabling the glass panel to slide and tilt. When the motor begins to fail, you may observe:
- Sunroof does not move or only moves partially.
- Grinding, clicking, or buzzing noises from the roof area during operation.
- Intermittent operation or stalls under load.
- Sunroof opens or closes very slowly.
Typical Lifespan And How Often It Fails
Lifespan Depends On Usage And Environment. Under normal conditions, sunroof motors commonly last many years, but deterioration can appear after 8–15 years or sooner if exposed to moisture, dirt ingress, or heavy daily use. Failure Frequency Increases Where Drainage Is Blocked Or Seals Are Worn, Allowing Water To Enter The Mechanism.
Installation Recommendations
- Disconnect The Battery Before Starting Work To Prevent Short Circuits.
- Remove Interior Trim And Headliner Panels Carefully To Access The Motor; Keep Fasteners Organized.
- Mark The Position Of The Sunroof Panel And Mechanism Before Removing The Motor To Preserve Alignment.
- Disconnect Electrical Connector And Unbolt The Motor From The Sunroof Module. Inspect The Gearset And Cables For Wear Or Damage.
- Replace The Motor, Reconnect Wiring, And Test Sunroof Operation Several Times Through Full Travel Before Reassembling The Trim.
- Lubricate Guide Rails And Moving Parts With A Suitable Silicone-Based Grease After Cleaning Debris From Tracks.
- Do Not Over-Tighten Fasteners; Refit Headliner Carefully To Avoid Pinching Wiring.
- Typical Replacement Time: Approximately 1–2 Hours For A Skilled Technician; Longer For DIYers Depending On Experience.
Why This Part Fails Most Often
- Wear Of Carbon Brushes And Commutator: Continuous Use Causes Brush Wear Leading To Loss Of Contact.
- Gear And Worm Wheel Wear: Mechanical Wear Produces Grinding Noises And Loss Of Drive.
- Water Ingress And Corrosion: Blocked Drain Channels Or Damaged Seals Allow Moisture Into The Motor And Connector Areas Causing Corrosion And Electrical Failures.
- Dirt And Debris In Tracks: Increased Load On The Motor From Jammed Or Dirty Guides Causes Overload And Premature Failure.
- Connector Or Wiring Faults: Corroded Or Loose Electrical Connections Can Cause Intermittent Operation Or Failure.
Replacing The Motor With A Correct Part Code (96836298BJ / 8401VS) Restores Reliable Sunroof Operation In Most Cases. Inspect The Entire Sunroof Mechanism When Replacing The Motor To Address Root Causes And Avoid Repeat Failures.
