Description
Electric lock for the right front passenger door for CITROËN C4 Picasso and GRAND PICASSO.
This electric right front door lock (passenger side) is a direct-fit replacement part for Citroën C4 Picasso and Grand Picasso models. Designed to restore central locking function, it operates the latch and locking mechanism electrically and is often searched for by reference numbers such as 9136Y8 or the Stellantis part references listed below. Suitable for professional workshops and competent DIY mechanics who perform door trim removal and electrical reconnections.
Technical Information
- Manufacturer: Stellantis (Citroën/Peugeot)
- Model: Citroën C4 Picasso, Citroën Grand Picasso
- Product Codes: 9136Y8
- Other Numbers: 24094158, 24095158, 24093158
- Position: Right Front Door (Passenger Side)
- Function: Electric door lock actuator for central locking and mechanical latch release
Compatibility And Application
Intended for use on Citroën C4 Picasso and Grand Picasso vehicles requiring a replacement electric right front door lock. Commonly referenced by part number 9136Y8 or the Stellantis reference numbers above; always match part numbers when ordering to improve fit accuracy.
Replacement Procedure
Removing and replacing the door lock requires basic workshop skills and common tools. Typical steps:
- Disconnect the negative battery terminal before starting work.
- Remove the interior door trim using trim tools to avoid damage to clips and panels.
- Carefully detach the interior moisture barrier to access the lock assembly.
- Disconnect the electrical connector and unclip or detach the locking rods/linkages (note their orientation for reassembly).
- Unscrew the lock unit from the door shell and remove it.
- Install the new lock in reverse order: secure the unit, reconnect rods and electrical connector, test operation with the door open, then re-fit the moisture barrier and trim.
- Test central locking, manual lock/unlock, and interior handle release several times before final reassembly.
Installation Recommendations
- Always disconnect the battery before removing the door lock to prevent short circuits and accidental triggering.
- Use a set of plastic trim tools to avoid breaking clips or scratching panels.
- Take note or photograph the linkage positions before disconnecting to ensure correct reassembly.
- Check and clean the connector pins; apply dielectric grease if signs of corrosion are present.
- After fitting, confirm smooth operation of the latch and central locking from all control points (remote, driver door switch, interior switch).
- If water ingress is suspected, inspect and reseal the moisture barrier and check drainage paths in the door.
Why The Part Most Commonly Fails
Electric door locks fail for several typical reasons: mechanical wear of internal gears, moisture ingress leading to corrosion or seized components, degraded small electric motor or brushes, broken plastic parts inside the actuator, and damaged or corroded electrical connectors. Symptoms include intermittent or no locking/unlocking, inability to lock from the remote, noise from inside the door when operating the lock, or a door that will not latch properly.
Notes For Professionals And DIY Mechanics
This component is suitable for fitment by experienced technicians and competent DIYers. Keep spare clips and fasteners available when removing trim panels. If central locking faults persist after replacement, inspect wiring, fuses, and the central locking control module for related issues.
