Description
Overview
This electric right rear door lock (central locking actuator) is designed for Citroën C4 5-door models. It replaces the vehicle’s original door latch actuator and restores reliable central locking operation. Mechanics and DIY enthusiasts commonly search by OEM numbers such as 9660700480 and 9138T6 when ordering.
Features And Function
The unit converts electrical signals from the central locking system into mechanical movement that locks and unlocks the right rear door. It contains a compact motor, reduction gears and linkage points to operate the latch. Proper function ensures secure door closure and integration with vehicle remote locking systems.
Common Faults And Symptoms
- Door fails to lock or unlock with central locking or remote control.
- Intermittent operation or slow movement of the lock mechanism.
- Grinding, clicking or unusual noises from inside the door (worn gears or motor fault).
- Manual locking required or door lock stuck in one position.
Replacement And Installation
Typical replacement steps: disconnect the battery, remove the inner door panel and moisture barrier, disconnect the electrical connector and lock linkage, unbolt the actuator from the latch assembly and remove. Fit the new unit, reconnect the linkage and connector, refit the door trim and reconnect the battery. Test central locking and ensure correct latch operation. Recommended for experienced technicians; follow vehicle-specific service manual for torque values and safety precautions.
Compatibility And Fitment Advice
Primarily intended for Citroën C4 5-door models and other PSA group vehicles that use the listed OEM numbers. Always verify fitment by checking the product number on the old part or consulting a parts catalogue before purchase.
