Car suspension Skoda Fabia The first generation is a reliable system that, if properly used, lasts for decades. However, rubber-to-metal joints, known as silent blocks, are consumables and are subject to natural aging. Their destruction inevitably leads to knocking noises, poor handling and accelerated tire wear.
Many owners Skoda Fabia are faced with a dilemma: change the lever assembly or replace the silent blocks separately. The second option requires more time and special tools, but allows you to significantly save your budget by keeping the standard levers if they do not have mechanical damage.
In this article we will analyze in detail the process of diagnostics, selection of high-quality components and direct dismantling and installation of new elements. You will learn how to avoid common mistakes that can lead to rapid failure of new parts or wheel alignment problems.
Signs of wear and diagnostics of suspension
Determine what silent blocks front control arms Skoda Fabia require replacement, based on a number of characteristic symptoms. Most often, the driver notices dull knocks when driving over bumps, especially at low speeds. These sounds come from the front of the car and become louder when turning the steering wheel or braking hard.
Another telltale sign is steering wheel vibration at high speeds, which disappears when you let off the gas. This is due to the fact that the destroyed rubber element ceases to dampen vibrations, transferring them to the body and steering rack. You may also experience uneven tire tread wear, especially along the inside or outside edges.
- ๐ The appearance of extraneous sounds (knocking, creaking) when passing speed bumps.
- ๐ Deterioration in directional stability: the car may pull to the side on a straight road.
- ๐ Uneven wear of rubber, appearance of โbaldโ spots on tires.
For an accurate diagnosis, it is recommended to lift the car on a lift and check for play in the connections. Use a pry bar to try to move the arm relative to the subframe. If the rubber element has cracks, tears, or the metal sleeve is loose inside the rubber - replacement required. Ignoring the problem can lead to the lever breaking in motion.
โ ๏ธ Attention: Even slight wear of the silent block can lead to changes in suspension geometry. This not only worsens controllability, but also creates an emergency situation during an emergency maneuver.
Selection of spare parts: original or analogue?
The auto parts market offers a huge selection of solutions for Skoda Fabia. Official dealers offer original VAG parts, which are usually produced by major brands such as Lemfรถrder or TRW. They provide the perfect balance between firmness and comfort, but they don't come cheap.
Analogues from manufacturers Febi Bilstein, Sasic or Corteco often become a reasonable alternative. The quality of their rubber can be comparable to the original, and the price is significantly lower. However, when purchasing cheap analogues from little-known brands, there is a risk of encountering rubber that โskinksโ in the cold or quickly cracks due to temperature changes.
- ๐ท๏ธ Original (VAG): maximum reliability, high price, original packaging.
- ๐ง Premium analogues (Lemfรถrder, TRW, Febi): excellent quality, reasonable price.
- ๐ฐ Budget analogues: risk of rapid failure, variability of quality.
It is important to pay attention to the labeling and availability of quality certificates. Do not buy parts โby weightโ without packaging, as in this case it is impossible to check the manufacturer. For Skoda Fabia 1 silent blocks with an internal diameter of 14 mm or 16 mm are often used, depending on the type of lever, so before purchasing you need to remove the old element and measure it.
- Tough sports
- Soft comfortable
- Golden mean
- I don't know/It doesn't matter
Tools and preparation for work
Replacing silent blocks is a process that requires not only skills, but also specialized equipment. Without a hydraulic press or a powerful puller, you simply will not be able to squeeze out the old bushings and press in new ones. A regular vice may not be able to handle the force required to deform hard rubber.
You will also need wrenches and sockets to remove the arms. The most commonly used heads are 13, 15 and 18 mm. Be sure to prepare a penetrating lubricant (such as WD-40 or an equivalent), since suspension bolts often stick to the car body over years of use. Also donโt forget about a jack and reliable stands.
โ๏ธ Preparing to replace silent blocks
Before starting work, it is necessary to remove the wheel and, if necessary, unscrew the anti-roll bar. This will give access to the bottom of the lever. If you do not have experience working with suspension, it is better to entrust the removal of the arms to professionals so as not to damage the threads of the bolts.
โ ๏ธ Attention: Never use an open flame (burner) to heat old silent blocks when removing them! High temperatures can destroy the geometry of the metal lever housing and ruin it forever.
Dismantling and pressing technology
The replacement process begins with removing the old element. If the lever has already been removed from the car, it must be securely fixed in a vice or on a workbench. Using a puller or press, slowly squeeze out the outer race or rubber part. This must be done smoothly so as not to damage the seat.
After removing the old silent block, it is necessary to thoroughly clean the seat from dirt, rust and remnants of old rubber. Use a wire brush and solvent. The surface must be perfectly smooth and dry. If there are burrs on the metal, they need to be smoothed out with a file.
Installing a new silent block requires accuracy. Apply a soap solution or special lubricant to the outer race to facilitate pressing. Do not use oil or grease, as they can corrode the rubber during use. Slowly and evenly press the new element in until it stops.
- ๐ ๏ธ Use the correct diameter mandrel to ensure even pressure on the cage.
- ๐งผ Clean the seats from corrosion before installing new parts.
- โ๏ธ Press the silent blocks strictly along the axis, without distortions.
Installation of levers and final assembly
After replacing all silent blocks, the levers are installed back on the car. First, tighten all the bolts by hand to avoid distortion of the threads. Tightening the bolts securing the lever to the subframe should be done only after the car is lowered on the wheels and the suspension is in a loaded state.
This is a critical point. If you tighten the bolts by weight, the suspension will work in a tense state when moving, which will lead to the silent blocks quickly being pulled out of their seats. Use a torque wrench and observe the tightening torques specified in the technical documentation for Skoda Fabia.
Assembly includes installation of the stabilizer, shock absorbers and springs. Check the condition of the shock absorber boots and bump stops - if they are torn, they should also be replaced. After complete assembly, check the tightness of all connections.
The tightening of the lever mounting bolts must be done strictly with the suspension loaded, when the car is on wheels, in order to avoid premature destruction of the new silent blocks.
Repair cost comparison: lever assembly vs bushing replacement
Many car owners doubt the advisability of replacing silent blocks, since the cost of the work seems high. Let's compare costs. A lever assembly with silent blocks already installed is expensive, especially if we are talking about the original. However, the work of replacing bushings requires time and expensive equipment (press).
If you do the repairs yourself, replacing silent blocks will be much cheaper than buying a new lever. But if you contact the service, the cost of work can be half the price of a new lever. In this case, it is often cheaper and faster to buy a new lever assembly.
| Parameter | Replacing silent blocks | Replacing the lever assembly |
|---|---|---|
| Cost of spare parts | Low (sleeve only) | High (lever + bushings) |
| Labor costs | High (pressing, cleaning) | Low (dismantling/installation) |
| Repair time | 3-4 hours (pairing) | 1-1.5 hours (pair) |
| Risk of error | High (when pressed) | Low |
The table clearly shows that the choice depends on your skills and budget. For professionals, replacing bushings is a routine job, and for beginners, buying a lever assembly can be a safer solution.
โ ๏ธ Note: When replacing the lever in the assembly, do not forget to replace the mounting bolts, if they are disposable (with a detachable head). Reuse of such bolts is prohibited by the manufacturer.
Common mistakes when repairing suspension
One of the most common mistakes is saving on lubrication or using inappropriate materials. For example, some craftsmen use a bitumen-based lubricant that becomes sticky over time and collects dust, accelerating rubber wear. It is also unacceptable to use aggressive solvents next to rubber elements.
Another mistake is ignoring the state of other suspension elements. Often, along with the Silent blocks, the stabilizer sleeves or supporting bearings wear out. If you replace only the Silent Blocks and leave the rest of the parts old, noise and vibrations can remain. Comprehensive diagnostics are required.
- โ Use of oil or solidol for lubrication when pressed.
- โ Tightening of the bolts of levers on the weight of the car.
- โ Ignoring the need for collapse-decomposition after repair.
What happens if you donโt do a wheel alignment after replacement?
If you do not adjust the angles of the wheels, the car will โpullโ to the side, and the tires wear unevenly. This can lead to a complete replacement of rubber after 5-10 thousand kilometers of run.
It is also important not to pull the bolts of the Bushing attachment if they have a threaded part. Excessive force can deform the rubber element, creating an internal stress that will cause it to rupture after a short time.
Results and recommendations for use
Replacing the silent blocks of the front levers with Skoda Fabia It is an effective way to extend the life of the suspension and return the car to factory handling. The main thing is to use quality spare parts and comply with the installation technology. Take your time and pay attention to the details and the result will please you.
After repair, be sure to visit the service to set up the collapse-descend. This is a mandatory procedure that guarantees proper tire wear and traffic safety. Check the suspension condition regularly, especially after winter or driving on bad roads.
Remember that a suspension is a system where all elements are interconnected. Taking care of the Silent Blocks is a contribution to the safety of you and your passengers. The quality of rubber in the Bushings directly determines the life of the entire front suspension of your car.
Frequently Asked Questions
How often do I need to change the Silent Blocks to the Skoda Fabia 1?
The average life of the Bushings is 80-100 thousand kilometers, but this depends on the quality of roads and driving style. It is recommended to check their condition at each scheduled maintenance after 60 thousand km.
Is it possible to replace silent blocks without removing the lever from the car?
In theory, this is possible if you have access to the press, but in practice it is extremely inconvenient and risky. Removal of the lever allows you to qualitatively clean the seats and properly press new parts.
Do I need to change the levers in pairs?
Yes, it is recommended to change the Bushings on both front arms at the same time. If one has worn out, the second one is likely to have a similar life, and the difference in suspension stiffness can impair handling.
What tools are needed for pressing?
It is best to use a hydraulic press or a special bushing detacher. Also suitable powerful vise with a set of mandrels of a suitable diameter.
Can I use WD-40 lubricant for pressing?
WD-40 can only be used to remove dirt and rust. For pressing, use a soap solution or a special mounting lubricant to avoid damaging the rubber.