Rear Wiper Mechanism Citroën C4 GRAND Picasso 9654116177 3398005649 6405EE

Description

Rear wiper shaft bearing for CITROEN C4 PICASSO and GRAND PICASSO cars
With hinged back glass
Until 2013

Part description

This used rear wiper mechanism is intended for the Citroën C4 Picasso and Citroën C4 Grand Picasso according to the listed product numbers. This is an important part for the proper functioning of the rear wiper, especially when visibility is impaired in rain, snow or when the rear glass is dirty.

In practice, this type of part is often searched for by original and production codes, therefore all available designations are listed below. For mechanics and home repairs, it is especially important to compare the design of the connectors, the attachment and the matching of the numbers on the original part.

• used original part for Citroën cars
• suitable for a design with a hinged rear glass
• intended for cars until 2013
• practical solution in the event of rear wiper failure or wiper shaft seizing

Technical information

• Manufacturer: Stellantis Citroën Peugeot
• Model: Citroën C4 Picasso, Citroën C4 Grand Picasso
• Other numbers: 9654116177, 3398005649, 6405EE

Product codes

• Product codes: 9654116177, 3398005649, 6405EE
• Model names: Citroën C4 PICASSO

Installation recommendations

Generally/typically for this type of part, the exact replacement procedure may vary depending on the specific design of the car and the design of the rear door. Care should be taken with the rear wiper mechanism to avoid damage to the lining, shaft, wiring or the wiper arm itself.

1) Before assembly

• Compare the new and original part by shape, fit, shaft, connectors and markings.
• Check if the shaft is stiff, excessively corroded or mechanically damaged.
• Check the condition of the sealing surfaces and surrounding parts that come into contact with the mechanism.
• Before installation, check that the wiper arm and related parts are not bent or otherwise damaged.

2) Necessary tools and materials

• regular set of hand tools
• plastic pry bar for panel removal
• cleaner to remove dirt and old deposits
• cloth or lint-free cloths
• suitable anti-jamming agent if needed during assembly

3) Step-by-step assembly procedure

1. Secure the vehicle against movement and turn off the electrical system according to normal service practice.
2. Remove the inner lining of the relevant body part to gain access to the rear wiper mechanism.
3. Carefully disconnect the electrical connector if included in the assembly.
4. Dismantle the wiper arm and loosen the fasteners of the original mechanism.
5. Remove the old part and check the condition of the mounting hole, gasket and mating surfaces.
6. Remove dirt, corrosion and remnants of old gasket or deposits.
7. Compare the used spare part with the old one before actually fitting it in.
8. Place the mechanism in the correct position and fasten it without using force to avoid crossing or straining.
9. Connect the electrical connector and check for proper wiring.
10. Reinstall the wiper arm to the correct starting position.
11. Reattach the trim and check that all tabs are properly in place.
12. Perform a functional wipe test and observe the smoothness of the movement of the mechanism.
• 4) Post-assembly checks and test drive/function verification
  • Verify that the rear wiper moves smoothly and without unusual noises.
  • Check the mechanism for excessive play or resistance.
  • Check that the wiper parks correctly after the cycle is complete.
  • After the first ride, recheck the fastening and any signs of leaks or loosening.

  5) The most common assembly mistakes + how to avoid them

  • Incorrect part comparison before assembly – always check part numbers, fitment and shaft design.
  • Damage to the trim during disassembly – use suitable plastic tools and proceed without brute force.
  • Assembly without cleaning the contact surfaces – dirt can cause poor seating or future leaks.
  • Overview of stiff connecting parts – before assembly, check whether the problem has also arisen in the surrounding mechanical parts.

  Reasons why the part is damaged

  • shaft stiffening due to humidity, dirt and long-term operation
  • Corrosion caused by water penetration into the mechanism
  • mechanical overload when wiping over ice, snow or heavy dirt
  • wear of bearing and moving parts due to normal use
  • damage due to improper disassembly or assembly
  • fouling and long-term maintenance neglect which leads to increased mechanism resistance