Description
Electric rear door lock for Citroën and Peugeot vehicles
This electric rear door lock (tailgate latch) is designed for reliable operation of central locking and tailgate release on a range of Citroën and Peugeot models. Ideal for professional workshops and competent DIY mechanics, the unit restores secure locking, remote release and mechanical latch function. Many customers search by the product codes 9671153780 and 8719G5, so these references are included for quick identification.
Technical Information
- Manufacturer: Stellantis
- Model: Citroën C3 Picasso, Citroën C4 Picasso, Citroën C5 X7, Peugeot 207, Peugeot 308
- Product Codes: 9671153780, 8719G5
- Additional Numbers: OEM Equivalents / Internal References As Supplied By Manufacturer
Function And Characteristics
The unit combines a mechanical latch with an electric actuator to operate the tailgate lock via the vehicle’s central locking system, remote control or interior release. It secures the tailgate in the closed position, allows remote opening and transmits position feedback to the vehicle electronics. The lock is supplied as a direct-fit replacement for compatible models and connects to the existing wiring harness and mounting points.
Installation Recommendations
- Preparation: Work in a dry, well-lit area. Have basic hand tools (screwdrivers, trim tools, socket set) and a multimeter available to verify power and continuity if needed.
- Safety: Disconnect the negative battery terminal before starting to avoid short circuits and accidental actuator operation. Reconnect only after the installation and checks are complete.
- Removal: Remove the tailgate interior trim carefully to access the lock assembly. Unclip or unscrew fastenings, disconnect the electrical connector and release linkage rods or cables from their retainers.
- Fitting: Fit the new lock into the original mounting points, secure fasteners to manufacturer torque where available, reconnect the electrical connector and reattach linkage rods ensuring correct engagement and free movement.
- Testing: Reconnect the battery. Test tailgate locking/unlocking with the remote, interior switch and manual release. Verify central locking cycle and that the latch secures fully without excessive force or binding.
- Final Steps: Replace interior trim, check for rattles, and confirm weather seals seat correctly. If electrical faults persist, check fuses, wiring continuity and connector corrosion.
Reasons Why This Part Usually Fails
- Moisture Ingress And Corrosion: Water penetration into the latch causes corrosion of mechanical parts or connectors, leading to sticking or electrical faults.
- Mechanical Wear: Repeated use over years wears pawls, springs and latching surfaces, reducing engagement reliability.
- Actuator Motor Or Gear Failure: The small electric motor or gearbox inside the actuator can seize or strip, preventing operation.
- Damaged Linkage Or Clips: Broken rods, clips or misaligned linkages can stop the lock from operating even if the actuator works.
- Electrical Issues: Corroded connectors, damaged wiring or blown fuses interrupt power to the actuator.
This part is suited for professional installation but is also replaceable by experienced DIYers who follow safety precautions and installation steps. Always ensure compatibility by checking the product codes 9671153780 and 8719G5 against the vehicle’s parts list before purchase.
