Description
Product Overview
Electric right front door lock (central locking actuator) for Citroën C4 5-door models, passenger side. A direct replacement commonly searched by mechanics and DIY enthusiasts under OE numbers such as 9683415980 and reference codes like 9136ES.
Key Features
- Electric central locking actuator for the right front door (passenger side).
- Direct fit for PSA original equipment part numbers and cross-references.
- Plug-and-play electrical connector for straightforward installation.
- Durable housing with internal motor and gear assembly designed for regular automotive use.
Function & Symptoms
This unit controls locking and unlocking of the door via the vehicle's central locking system. Typical symptoms of failure include noisy operation, intermittent locking/unlocking, total loss of electrical actuation while manual locking may still be possible, or complete inoperability of the door lock.
Replacement Procedure
- Disconnect the vehicle battery before starting to prevent short circuits and accidental airbag deployment.
- Remove the interior door trim and the protective moisture barrier carefully to access the lock assembly.
- Locate and disconnect the electrical connector and detach the mechanical linkage rods from the lock mechanism.
- Remove the mounting screws or bolts securing the lock and extract the old module from the door shell.
- Install the new lock, reconnect linkages and the electrical connector, refit the moisture barrier and door trim.
- Reconnect the battery and test locking/unlocking using the key fob, central locking switch and manual operation to ensure correct installation.
Common Causes Of Failure
- Water ingress and corrosion affecting the motor, contacts or connector.
- Wear or breakage of internal plastic gears and mechanical components over time.
- Damaged or misaligned linkage clips and rods preventing proper movement.
- Electrical connector corrosion or wiring faults, including blown fuses or damaged central locking wiring.
Technical Information
- Manufacturer: PSA (Peugeot Citroën)
- Model: Citroën C4 (5-door) — Right Front (Passenger Side)
- Product Codes: 9683415980
- Other Numbers: 9660699780 F03; 9647172680; 9136ES; 9136AG; 9136R8
Note: Always verify vehicle compatibility by cross-referencing the listed part numbers with the vehicle VIN or OEM parts catalog. Installation difficulty is moderate — suitable for professional mechanics and competent DIYers with basic tools. Inspect door wiring and linkage when replacing to prevent repeated failures.