Power steering system is a critical node in the car Skoda FabiaIt provides easy driving and safety on the road. Many owners face the challenge of finding the right liquid, as mistakes in choosing can lead to rapid wear and tear of the pump and expensive repairs. Incorrectly selected lubricant can destroy the sealing rings and cause boiling of the working environment at high loads.
Owners Skoda Fabia The first and second generation often have to face the need to add or completely replace the oil in the tank GUR. It is important to understand that this system operates under high pressure and any deviations from the factory specifications can be fatal to the hydraulic assembly. The use of uncertified hydraulic booster fluid on Skoda Fabia models with a ZF pump is strictly prohibited and will result in the pump failing within 5,000 km of the run.
Types of fluids for a hydraulic booster system
When servicing a car, it is necessary to clearly distinguish between types of oils, since they have different chemical composition and are not always compatible. In modern cars of the concern VAG, which refers to Skoda FabiaThe most common red liquids are those that comply with the G004000 or G002000 standard. These compounds have the necessary properties to work at extremely low temperatures.
There is also a class of mineral oils that were previously used in older models, but their use is now limited. Synthetic analogs can be aggressive to rubber seals, if the manufacturer has not provided for their use in a specific modification of the steering mechanism. Always check the technical documentation before buying a canister.
- π§ Red liquid (Pentosin CHF 11S or analogues) β the basic standard for the use of the liquid Skoda Fabia Since 2007.
- π΄ Yellow or orange liquid β found on earlier versions, requires caution when mixing.
- β« Mineral oil β is rarely used only if explicitly stated in the instructions for a specific VIN code.
β οΈ Note: Do not mix red and yellow liquids without first washing the system completely, as this can lead to gel formation and blockage of highways.
Signs of the need to replace or add oil
It is quite simple to understand that the system requires maintenance if you carefully monitor the steering wheel behavior and sounds in the engine compartment. The appearance of a characteristic hum when turning the steering wheel in place or at low speeds is the first signal that the oil level has fallen or it has lost its properties. The noise of the GUR pump increases with cold start of the engine, if the liquid thickens or becomes contaminated.
Another worrying sign is the βcoatβ steering wheel, which requires considerable physical effort to spin. In some cases, there may be a pulsation of the steering wheel, which is transmitted to the driver's hands. This indicates the presence of air in the system or a malfunction of the pump, which requires immediate diagnosis.
- π An unpleasant hum or howl of the pump when the engine is running.
- π Increased effort on the steering wheel, especially on a standing car.
- π«οΈ The appearance of foam in the expansion tank when the engine is working.
Regular check of oil level should become a habit of every owner. Skoda Fabia. Neglecting this simple action can cost you to replace the entire pump, the price of which is comparable to the cost of a few new tires. Level check is carried out with a cold engine It's on a horizontal platform.
- Pentosin CHF 11S (Red)
- Mineral oil (Yellow)
- Mixed
- Don't know/Haven't checked
Preparation for the fluid replacement procedure
For a high-quality oil change in the hydraulic power system, you will need to prepare a set of tools and consumables. You will need a new liquid in the volume of 1-1.5 liters, a syringe for pumping out old oil, clean rags and a waste dump container. Donβt forget to also prepare new sealing rings for drain plugs, if they are provided by the design.
Work is better to carry out in the garage or on a flat area with good lighting. If you plan to make a full replacement with a flush, then the procedure can take up to an hour. It is important to ensure access to the expander tank and to the hoses running from the pump to the rack. Sometimes, removing plastic protective screens under the bumper is required to access the bottom of the rail.
βοΈ Preparing for an oil change
Before starting work, be sure to inspect all hoses for cracks and stains. If you find damage, it is necessary to repair them before the oil change is started, otherwise the new liquid will leak out immediately. Make sure the engine is cooled.To avoid burns when in contact with hot exhaust system parts.
β οΈ Warning: Work with gloves as the power booster fluid is an aggressive chemical and can cause skin irritation or an allergic reaction.
Step-by-step instructions for changing the oil
The replacement process begins with pumping the old oil out of the tank using a syringe or pear. Try to pump out as much liquid as possible, but do not allow air to enter the pump if the engine is not already running. After that, unscrew the drain bolt on the bottom of the steering rack or disconnect the reverse hose, substituting a reservoir for collecting workout.
Next, you need to pour a new liquid to the mark MAX and start the engine. Do not rotate the steering wheel to the point at this moment, so as not to create excessive pressure. Let the engine work at idle speeds for 2-3 minutes, then silence and check the level again. If necessary, add the liquid to the desired mark. Repeat the cycle several times until the oil is clear and transparent.
- π§ Pump the old oil from the tank as thoroughly as possible.
- π§ Pour the new liquid to the MAX level and start the engine.
- π Smoothly turn the steering wheel from edge to edge several times to pump the system.
How to check the purity of the liquid?
For an accurate assessment of the color of the outgoing liquid, it is recommended to use a white sheet of paper or a transparent tube. If dark spots or particles are visible on the paper, the washing process should be continued until full transparency.
The level should be between the MIN and MAX labels. If the level falls too quickly, it may indicate a leak in the system that needs to be fixed. Never allow a pump to operate without liquid.This will cause him to immediately fail.
Proper pumping of the system by rotating the steering wheel on the working engine allows you to remove all the air that can cause noise and uneven operation of the amplifier.
Table of compatibility and specifications of liquids
For clarity, we give a table of the main characteristics of liquids that are suitable for different generations. Skoda Fabia. Using an inappropriate lubricant can lead to accelerated wear of seals and reduced efficiency of the amplifier.
| Liquid type | Color | Sheet VAG | Applicability |
|---|---|---|---|
| Pentosin CHF 11S | Red | G004000M2 | All generations of Fabia (2007+) |
| Pentosin CHF 202 | Red | G002000 | Newer models with electric hydropower |
| Febi Bilstein 6161 | Red | Analogue G004 | Compatible alternative |
| Mineral Oil | Yellow | G002000 (old) | Only old models until 2007 |
Note that some liquids have similar color but different chemical properties. For example, ATF (automatic transmission fluid) is often red, but is not suitable for power boosters. Skoda Fabia. Always check the label on the can before buying to avoid mistakes.
Frequent errors during system maintenance
Many owners make the same mistake of trying to mix different types of liquids to save money. This leads to a chemical reaction, in which the oil loses its lubricating properties and forms a precipitate. This sludge clogs the filters and channels of the steering rack, which makes repair impossible without a complete replacement of the unit.
Another common mistake is to ignore the frequency of replacement. The manufacturer does not always specify the exact life of the liquid, but experts recommend changing it every 60,000 km or every 4 years. During this time, the oil oxidizes, loses its viscosity and ceases to protect the parts from wear.
It is also worth mentioning the problem with the use of "universal" oils. The autochemistry market is full of products that are positioned as suitable for everything, but in practice they do not withstand high loads in the GUR system. Skoda Fabia. Trust only trusted brands, such as Pentosin, Febi or original materials of the VW Group.
β οΈ WARNING: Using a cheap analog can save money now, but will lead to pump and rack replacements in the future, which will cost many times more.
Before buying a new liquid, be sure to check the date of its production. The fluid for the power booster has an expiration date, and the expired product may lose its protective properties even before pouring into the system.
FAQ: Frequently asked questions
Can red and yellow liquids be mixed in a tank?
It is not recommended to mix liquids of different colors and types. If you need to add fluid, and the desired type is not available, it is better to add a little distilled water for a temporary solution, but immediately make a complete replacement of the system with the right liquid.
How often should I change the liquid GUR to Skoda Fabia?
The official instructions may not specify a replacement, but experts recommend doing so every 60,000 km or every 4 years. If there is noise or deterioration of the steering wheel, the replacement should be carried out immediately.
What if the steering wheel is still noisy after the fluid is replaced?
There's probably air in the system. Try several times to turn the steering wheel from stop to stop on the working engine and add fluid. If the noise hasn't gone away, it's possible the pump is worn out or there's a leak.
How much fluid is needed for a complete replacement?
Approximately 1.5 liters of liquid is usually required to completely replace and flush the system. In the tank itself, about 0.5 liters are placed, but when pumping, the system consumes more.
Can I use ATF instead of a special liquid?
No, use of ATF (automatic transmission fluid) in a hydraulic booster system Skoda Fabia forbidden. The chemical composition of ATFs is not suitable for hydraulic system seals and can lead to their destruction.