Vehicle operation Ε koda Octavia A5 In our climate, we need special attention to the system of cleaning glass. The rear wiper on the liftback plays a critical role, since the rear window has a large area and is often contaminated when driving on the highway or in off-road conditions. Many owners face a problem when the janitor begins to creak, leave divorces or completely stops moving.
Often the reason lies not only in the wear of the rubber tape, but also in the wrong choice of brush size or mechanical damage to the drive itself. Ignoring these signals can lead to the need for expensive drive repairs or replacement of the entire mechanism in the assembly. In this article, we will discuss all aspects of system maintenance in detail.
Design features of the rear windshield wiper on the A5
The mechanism of cleaning the rear window on the model Octavia A5 It has its own unique features that distinguish it from other generations. The drive is located inside the trunk lid, which makes it vulnerable to moisture and dirt in the area of the hinge joints. The long lever of the wiper creates an increased load on the electric motor and gearbox when operating in winter.
The key element is electric motorwhich is integrated into the control unit of the washer or is located separately depending on the year of issue. The gearbox often fails due to jamming when the glass freezes. It is important to understand that on the elevator Octavia A5 A specific trapezoid is used, which is not always compatible with universal solutions.
β οΈ Warning: Never turn on the back wiper if the glass is covered with a dense layer of ice. This can lead to instantaneous combustion of the fuse or breakage of gears of the gear gear gear.
The rubber seal on the lever bluffs over time, losing elasticity. This is especially true for cars with a mileage of more than 100,000 km. Replacing only the rubber insert often does not give the desired result if the valve itself has backlashes.
Choosing the Right Brush: Sizes and Types
When selecting consumables, it is necessary to strictly adhere to the sizes recommended by the manufacturer. For Ε koda Octavia A5 The standard length of the liftback brush is 400 mm. Using longer or shorter elements will cause the system to work incorrectly.
There are several types of mounting that are used in this car. Most often there is a standard hook or a specific adapter, which comes complete with the original spare part. Not all universal brushes are suitable in the shape of the bending, which reduces the downforce to the curvature of the glass.
- π Original VAG brush: provides perfect fit and durability, but is more expensive than its counterparts.
- π§οΈ Frameless analogues (Bosch, Valeo): lighter in weight, but require careful selection of adapters.
- πΈ Budget options: quickly wear out, often leave stripes on the glass.
Particular attention should be paid to the quality of rubber tape. Cheap materials contain little graphite, which causes a strong creaking when moving. Quality products have a uniform distribution of lubricant and work silently.
Step-by-step instructions for replacing the windshield wiper blade
Replacing the consumable does not require special tools and can be done independently in the garage. The process begins with lifting the lever upright to free the rubber part from the glass. Be careful not to hit the glass with a lever.
The attachment fixture must be removed. In many models Octavia This is done by pressing the plastic latch and shifting the brush along the lever. If the lock is jammed, do not put excessive effort, otherwise you will break the plastic mechanism.
βοΈ Replacing the rear wiper
Installation of the new part takes place in reverse order. Make sure the rubber element sits tightly in the mount and does not hang. After installation, lower the lever on the glass to check the density of the fit.
β οΈ Note: When installing a new brush, be sure to remove the protective film from the rubber tape only after installation, so as not to stain it with oils from your hands.
If after replacement, the wiper continues to work incorrectly, it is possible that the problem lies in the lever itself or the drive mechanism. In this case, a deeper diagnosis will be required.
Proper installation of the brush guarantees the purity of the glass and extends the service life of the wiper drive by 30-40%.
Diagnostics and repair of the wiper drive
When the wiper is not moving or moving in jerks, the problem is often the electromechanical part. First, check the fuse in the mounting unit. Nana Octavia A5 It's usually marked. F20 or F21, depending on the configuration.
If the fuse is intact, it is necessary to check the supply of voltage to the engine. To do this, remove the skin of the trunk lid and find the drive connector. Use a multimeter to check for a signal when you turn on the wiper. The absence of voltage indicates a wiring break or a malfunction of the control unit.
The gearbox of the mechanism often suffers from wear of plastic gears. In the presence of backlash in the drive rod or extraneous sounds (knocking, grinding), the entire trapezoid must be replaced. Replacing the trapezoid on the elevatorback requires dismantling the skin of the trunk lid and removing the decorative lining from the wiper.
How to remove the janitor's nozzle
Press the lock inside the mounting hole and pull the nozzle up using a plastic shoulder blade to avoid scratching the paintwork.
Sometimes the problem lies in the oxidation of contacts inside the connector. Cleaning contacts and lubricating conductive elements can temporarily restore the system to work. However, if the wear is mechanical, repairs wonβt help for long.
Compatibility table and spare parts numbers
To simplify the search for the necessary details, we have prepared a summary table with original articles and analogues. This will help you avoid buying incompatible parts when ordering from online stores.
| Part type | Original number (VAG) | Popular analogues | Note |
|---|---|---|---|
| Wiper Blade | 1K0 955 559 E | Bosch Aerotwin, Valeo Silencio | Length 400 mm |
| Drive engine. | 1K0 955 119 B | Febi, SWAG | With gear gears geared. |
| Trapezoid assembly | 1K0 955 115 | Metzger, Mapco | Turns on the lever. |
| Wiper arm | 1K0 955 561 | Original | Aluminum alloy |
| Holder of nozzle | 1K0 955 561 A | Universal | Plastic |
When ordering parts by VIN-code always specify the complete set of your car. Different years of release could have minor differences in the design of the mounting. Also pay attention to the delivery region, as reinforced actuators may be offered for colder climates.
- Once a year
- Once every six months
- Only when it broke.
- I don't remember
Prevention and care of the cleaning system
Regular care of the mechanism of the rear janitor significantly prolongs his life. Once every six months, it is recommended to clean the lever hinges from dirt and lubricate them with silicone lubrication. This will prevent jamming in the winter.
Use a high-quality non-freezing liquid for the washer. Cheap products often contain alcohol that breaks down rubber and plastic, and also leaves an oily film on the glass, impairing the view. Clean the rubber band with a soft cloth with soapy solution to remove the stuck dirt and road dust.
- βοΈ In winter, thaw the glass completely before turning on the wiper.
- π§Ή Clean the brush of sand and gravel after trips on the primer.
- π§ Check the level of fluid in the washing tank before the rainy season.
If you notice that the wiper has become slower, this may be a sign of engine wear or clogging gearbox. Do not delay the diagnosis, as overheating of the engine can lead to its complete failure.
β οΈ Warning: Frozen water in the washer mechanism can break the plastic fluid supply tubes, leading to complex repairs.
Timely replacement of consumables and careful operation will save you from the need for expensive repairs of the trapezoid. Remember that a clean rear window is the key to your safety when reversing maneuvers.
Before the onset of winter, remove the janitor's lever and remove it in a vertical position so that the rubber does not freeze to the glass and does not deform.
FAQ: Frequently asked questions from owners
Can I put a frameless brush on the Octavia A5?
Yes, you can, but you need to choose a special adapter or brush designed specifically for this model. Standard universal mounts may not provide a tight fit to the curved glass of the elevatorback.
Why does a janitor work in jerks and make a knock?
This is a sure sign of wear of gears of the gearbox or weakening of the lever attachment. Also, the reason may be in the jamming of trapezoid hinges due to dirt or corrosion. Drive diagnostics are required.
Which safety lock is responsible for the back janitor?
It's usually a numbered fuse. F20 or F21 in the mounting unit from the driver's side. The exact marking is better checked by the scheme in the manual for the operation of your car.
How to remove the skin of the trunk lid to access the engine?
It is necessary to unscrew the screws under decorative plugs, gently unfasten the plastic clips around the perimeter and remove the skin, turning off the lights or washer connectors.
How much does it cost to replace a trapezoid at a service?
The cost of works varies from 2000 to 5000 rubles depending on the region and the complexity of dismantling. Parts in the collection can cost from 4000 rubles and above.