Description
Electric lock for rear liftgate for Citroën C4 Picasso, Citroën C5 X7 and Peugeot 207
Product Description
This electric rear liftgate lock is an OEM-style replacement designed for Citroën C4 Picasso, Citroën C5 X7 and Peugeot 207 models. It restores reliable central locking and secure closing of the tailgate by replacing a worn or failed latch/actuator assembly. Ideal for professional workshops and experienced DIY mechanics who search by OE numbers such as 9660403980, 871992 or 8719G5.
Key Features and Benefits
- Direct Fit For Easy Replacement: Designed to match original mounting points and connector layout for a straightforward swap.
- Restores Tailgate Functionality: Re-establishes secure locking, eliminates intermittent unlocking/closing faults and prevents water entry when sealing is intact.
- OE Reference Numbers Included: Commonly referenced by part numbers 9660403980, 871992, 8719G5 to simplify search and ordering.
- Suitable For Workshops And DIYers: Clear replacement procedure and basic electrical checks make this part accessible to trained enthusiasts and professionals.
Installation Recommendations
Follow a methodical process to replace the rear liftgate lock:
- Safety First: Disconnect the vehicle battery before starting work to avoid short circuits and accidental central locking activation.
- Access: Remove the inner tailgate trim panel to reach the lock assembly. Retain all clips and screws.
- Disconnect: Unplug the electrical connector and disconnect any mechanical linkages or rods from the latch mechanism.
- Removal: Unscrew the latch/actuator from the tailgate and extract carefully to avoid damaging the surrounding seals and wiring harness.
- Fitment: Install the new lock in reverse order. Ensure the actuator and latch engage correctly with the striker and that linkages are routed without kinks.
- Adjustment And Test: Before reassembling trim, reconnect the battery and cycle the central locking, remote release and manual operation to confirm proper locking and unlocking. Check tailgate alignment and sealing.
- Protection: Apply dielectric grease to electrical contacts and check the condition of the rubber grommet and wiring to prevent moisture ingress.
Most Common Failure Causes
- Water Ingress And Corrosion: Moisture can penetrate the latch area, corroding electrical contacts and mechanical components.
- Mechanical Wear: Internal gears, pawls or springs wear out after years of use, causing the latch to stick or fail to lock.
- Damaged Linkages Or Striker Misalignment: Bent rods or misaligned striker plates prevent full engagement of the latch.
- Electrical Faults: Broken wires, connector corrosion or actuator motor failure lead to intermittent or permanent loss of function.
- Impact Damage: Rear collisions or heavy slamming of the tailgate can deform the latch or its mountings.
Technical Information
- Manufacturer: Stellantis (Citroën/Peugeot OEM)
- Model: Citroën C4 Picasso, Citroën C5 X7, Peugeot 207
- Product Codes: 9660403980, 871992, 8719G5
- Other Numbers: 871992 | 8719G5 | 9660403980
Notes For Mechanics
When replacing the lock, inspect the tailgate seal, striker plate and wiring harness. Address any rust or alignment issues to avoid repeat failures. If electrical problems persist after fitting the new lock, verify central locking system power, ground connections and fuses before replacing additional components.
