Description
Electric lock of the central locking of the right rear door for CITROEN C4 II cars
Door behind the passenger
Part description
Used Citroen C4 II rear right door electric lock is part of the central locking and securing of the doors. This is a part for the door behind the passenger, which you can search for under 9685352080 and 9138AH.
Replacing the lock may be the solution if the door in question won’t lock or unlock or the mechanism works erratically. Before replacement, it is advisable to rule out a fault in the wiring, connector or control mechanism. The used part represents a cost-effective repair option while maintaining the appropriate design of the lock.
Technical information
- Manufacturer: not specified; the label Stellantis CITROEN PEUGEOT is mentioned in the documents.
- Model: Citroen C4 II.
- Type of part: electric central locking door lock.
- Location: right rear door, door behind passenger.
- Condition: used car part.
- Other numbers: not specified.
Product codes
- Product codes: 9685352080, 9138AH.
- Model: Citroen C4 II.
When choosing, compare the designation of the original lock with the given codes and check the compatibility of the connector, attachment and mechanical control. Matching the car model alone may not be enough to choose the right design.
Installation recommendations
In general, this type of part applies: replacing the door lock requires access to the mechanism inside the door and careful disconnection of the electrical and mechanical controls. The following procedure is general; the exact steps for removing the trim and lock depend on the specific car design and the manufacturer’s service procedure.
1) Before assembly
- Compare the codes, body shape, attachment points, connector and connecting points of the rods or cables with the old piece.
- Inspect a used lock: look for cracks, corrosion, damaged contacts and the condition of moving parts. Do not force the mechanism.
- Check the supply wiring, connector and crank control so that the functional lock has not been changed due to the failure of another component.
- Read the manufacturer’s procedure for safely disconnecting and reconnecting the battery.
2) Necessary tools and materials
- Common hand tools corresponding to actual fasteners.
- Plastic pry bar for trim, flashlight and container for screws and clips.
- A clean cloth and possibly a means for cleaning electrical contacts.
- If necessary, a multimeter and appropriate diagnostics to check the electrical control.
3) Step-by-step assembly procedure
- Secure the vehicle against movement, open the relevant door and note the signs of the defect before starting work.
- Turn off the ignition and safely disconnect the battery according to the manufacturer’s procedure before disconnecting electrical components.
- Remove the trim and necessary covers according to the service procedure. Loosen the present fasteners carefully, without prying forcefully.
- If a protective film or other moisture barrier prevents access, release it so that it can be returned properly.
- Take a photo of the wiring and the connection of the rods or cables. Note the position of their brackets and fuses.
- Unlock and disconnect the electrical connector. Pull the connector body, not the wires.
- Carefully disconnect the mechanical control and release the lock fastening. Hold the lock when removing.
- Compare both pieces side by side and clean the accessible seating surfaces. Check the condition of the surrounding brackets and connections.
- Place the replacement lock without tension and fasten it according to the manufacturer’s instructions. Do not replace proper seating with excessive tightening.
- Connect the rods or cables and the electrical connector. Verify fuses are secured and wiring is routed away from moving parts.
- According to the manufacturer’s procedure, connect the battery and verify the operation of the lock before final assembly. Do not close the door until it is certain that the mechanism allows it to be opened again.
- Return the protective barrier, covers and trim. Make sure that the clips are properly seated and that the cables or control elements are not pinched.
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4) Post-assembly checks and function verification
- Try locking and unlocking with central locking several times.
- Verify the opening with the external and internal handle, taking into account the setting of any child lock.
- Check that the door holds securely shut, does not rattle and does not require unusual force to close.
- If the car is equipped with a door open signal, verify its correct response.
- The main test is the verification of the function on a stationary vehicle. Carry out any test drive only after confirming that the door is securely secured.
5) The most common assembly mistakes and how to avoid them
- Incorrect design of the lock: compare codes and electrical and mechanical connections before assembly.
- Unsecured or poorly routed cable or pull: follow the original route and verify the free movement of the crank.
- Not clicked connector: check its fuse and the condition of the contacts.
- Damaged moisture barrier: restore proper seating to prevent water from penetrating the trim and electrical connections.
- Premature closing of the door: first verify the unlocking and operation of the mechanism, otherwise further access to the lock may be complicated.
Reasons why the part is damaged
In general, the following causes of malfunctions can occur with electric door locks. This is not a description of the condition or history of this particular piece.
- Mechanical wear during repeated locking, unlocking and closing of doors.
- Moisture and corrosion which can damage electrical contacts and moving parts of the mechanism.
- Impurity or a stiff mechanism, increasing the resistance and load of the electric drive.
- Wear of the electric drive or switching elements which can lead to irregular function.
- Incorrect door adjustment or strained control, due to which the lock is mechanically overloaded for a long time.
- Forcible closing, freezing or careless disassembly which may damage plastic parts, fuses or mechanism connections.








