Description
Left front window motor for PEUGEOT 307. Not suitable for CC Cabrio model. Tested, fully functional. Driver’s door.
Product Overview
Replacement electric motor for the left/front window lift on Peugeot 307. This motor drives the window regulator in the driver’s door and is a direct-fit spare part for many standard 307 applications. The unit is suitable for mechanics and DIY enthusiasts who need a robust solution to restore smooth, reliable window operation.
Function And Common Faults
The window motor converts electrical input from the switch into mechanical rotation that moves the regulator and raises or lowers the glass. Common failure modes include worn commutator brushes, water ingress causing corrosion, stripped or broken plastic gears, and increased friction from a seized regulator or guide rails. Environmental exposure (moisture, dirt) and heavy usage accelerate wear. Many motors show symptoms such as slow operation, intermittent movement, grinding noises, or complete loss of function.
Typical Service Life
Service life depends on usage and environment; under normal conditions expect multiple years of operation. Motors often fail after extensive use or prolonged exposure to moisture — many units show issues after roughly 8–15 years or high mileage, but this varies by vehicle history and maintenance.
Installation / Replacement Steps
- Prepare: Park vehicle on level ground and ensure ignition is off.
- Safety: Disconnect the vehicle battery before any electrical work to avoid short circuits and accidental window movement.
- Remove Door Trim: Carefully remove the interior door panel and any trim clips to access the regulator and motor.
- Remove Moisture Barrier: Peel back the waterproof membrane to reach the motor and wiring.
- Disconnect Wiring: Unplug the motor electrical connector.
- Unbolt Motor: Remove the fasteners securing the motor to the regulator/door shell. Support the regulator if needed.
- Replace Unit: Fit the new motor, reconnect the wiring, and temporarily reconnect the battery to test operation before reassembly.
- Adjust & Test: Cycle the window through full travel to verify smooth movement and correct alignment. Refit the moisture barrier and door trim after successful test.
Installation Recommendations
- Always disconnect the battery before starting work on electrical components.
- Test the motor and regulator operation before refitting the door panel to save time if further adjustment is needed.
- Inspect and lubricate the regulator sliders and guide rails with suitable grease to reduce wear and noise.
- Replace any damaged clips, sliders, or regulator components at the same time to prevent premature motor overload.
- Avoid forcing the window if movement is restricted; identify and free the cause of binding prior to running the motor.
Most Common Reasons For Failure
- Water Ingress And Corrosion: Moisture in the door cavity can corrode electrical connections and internal motor components.
- Worn Brushes Or Commutator: Normal electrical wear reduces motor performance over time.
- Broken Or Stripped Gears: Plastic gear damage stops torque transfer from the motor to the regulator.
- Seized Regulator Or Guide Rails: Excessive friction or seized sliders overload the motor and lead to failure.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Peugeot 307 (including 307 II) — Driver’s Front Door
- Product Codes: 9681587280, 9649911180
- Other Numbers: 9221S6, 9221CG
Notes
Not Suitable For CC Cabrio model. Ensure the part numbers match the original unit before installation. Always follow manufacturer procedures and torque specifications when reinstalling fasteners.
