Description
Left front window regulator motor for Citroën C4 Grand Picasso up to 2013. Foldable mirrors for the vehicle. Driver side.
This genuine-fit electric window motor is designed for the left front door of Citroën C4 Grand Picasso models produced up to 2013. Ideal for professional workshops and DIY mechanics, the unit restores reliable up-and-down movement of the driver-side glass and is often searched for by its part numbers. Supplied as a direct replacement for worn or failed motors, it fits the original mounting points and electrical connector types used on the vehicle.
Key Features
- Direct-fit motor for left front door (driver side).
- Compatible with Citroën C4 Grand Picasso models up to 2013.
- Commonly referenced by part numbers: 9674032580, 9221CY, 9221HH.
- Electric drive with gearbox suited to factory regulator assemblies.
- Built to restore smooth window operation and reduce noise and stutter.
Technical Information
- Manufacturer: Stellantis / Citroën
- Model: Citroën C4 Grand Picasso (up to 2013)
- Product Codes: 9674032580, 9221CY, 9221HH
- Additional Numbers: No further reference numbers provided
Function And Application
The window motor converts electrical energy into rotational motion to drive the window regulator mechanism. It is fitted to the regulator assembly inside the door and is responsible for raising and lowering the glass when the switch is operated. Proper operation requires intact motor brushes/gears, a secure electrical connection, and a regulator that is not seized or badly worn.
Replacement Summary (For Mechanics and DIY)
- Preparation: Park vehicle on level ground, engage parking brake. It is recommended to disconnect the negative battery terminal before working on door electrics to avoid short circuits and accidental operation.
- Door Trim Removal: Carefully remove the interior door panel and any protective moisture barrier to access the regulator and motor. Keep fasteners and clips organized for reassembly.
- Support Glass: Secure the glass in the closed position or support it with tape/blocks to prevent movement when the regulator is detached.
- Disconnect Wiring: Unplug the motor electrical connector. Inspect connector for corrosion or damaged pins.
- Unbolt Motor: Remove the bolts that fix the motor to the regulator and lift the motor away from the assembly. If fitted as part of a combined regulator, remove regulator mounting bolts as required.
- Install New Unit: Fit the replacement motor to the regulator, tighten fasteners to the original specification, reconnect the wiring, and test operation before reassembling the door panel.
- Final Check: Verify smooth travel across full window stroke and confirm no unusual noises or binding. Refit moisture barrier and door trim.
Recommended Tools
- Trim removal tools, Torx/ratchet set, screwdrivers
- Multimeter (to check supply and connector pins if needed)
- Supporting blocks or strong tape to secure glass during work
Why This Part Most Often Fails
Window motors commonly fail due to a combination of normal wear and environmental exposure. Typical causes include worn motor brushes, stripped or worn internal gears, water ingress and corrosion inside the motor housing, and increased load from a binding or damaged regulator or misaligned glass. Frequent use, exposure to moisture, and lack of lubrication on regulator components accelerate wear. In many cases, replacing only the motor will restore function, but if the regulator assembly is damaged or cables are frayed, both components should be inspected and replaced as necessary.
Compatibility And Search Tips
Search for the unit using the listed product codes (9674032580, 9221CY, 9221HH) and the vehicle model name Citroën C4 Grand Picasso (up to 2013). These keywords help mechanics and DIY customers find the correct item when searching parts databases or online stores.
Note On Safety
Work on vehicle electrics should be carried out by qualified personnel or experienced DIYers familiar with door component removal. Take care to protect trim components and weather seals during disassembly. After installation, ensure the window moves freely over the entire travel to avoid motor overload and premature failure.
