The steering rack and its components are critical components of the control system of any vehicle, and Skoda Octavia A7 in this regard is no exception. Operation of the suspension on Russian roads often leads to premature wear of parts, including steering rod occupies one of the leading places. It is this element that transmits force from the steering mechanism directly to the wheel, ensuring precise maneuvering.
Ignoring the first signs of a malfunction can lead not only to discomfort while driving, but also to a complete loss of control in a critical situation. Owners Octavia must be able to distinguish knocking from vibration and understand when repairs cannot be postponed. Competent diagnostics and timely replacement of parts extend the life of the entire steering system.
Design features and types of steering rods
On Skoda Octavia A7 An electric power steering is installed, which imposes special requirements on the quality and precision of the steering rods. Unlike hydraulic systems, there is less load on the pumps, but higher requirements for the rigidity of the connections. Steering rod consists of an outer tip and an inner joint connected by a threaded connection that allows toe adjustment.
The manufacturer uses different materials for the case and protective covers, depending on the year of manufacture and configuration. Some models are equipped with reinforced rods that can withstand heavy off-road loads. It is important to understand the difference between internal and external traction, since they fail for various reasons and require different approaches to replacement.
The quality of the metal and the presence of high-quality seals determine the service life of the part. Cheap analogues often have play after 20 thousand kilometers, while original spare parts last much longer. Hinge The inside of the rod must be sealed to prevent dirt and moisture from getting inside, causing corrosion.
Main symptoms of malfunction
The first warning sign that should not be ignored is a characteristic knocking sound when driving over small irregularities. This sound is often confused with a malfunction of the shock absorbers or levers, but upon closer inspection it becomes clear that the source of the problem is in the steering rack area. Steering wheel play is also a sure sign of wear on the joints.
Owners Octavia A7 They may notice that the car has become worse in keeping a straight path and is constantly being pulled to the side. This occurs due to a violation of the toe angle, which cannot be maintained due to worn traction. Vibration on the steering wheel while driving may also indicate a problem in the control system.
When turning the steering wheel, creaking or jamming may occur, which indicates destruction of the oil seal or lack of lubrication in the joint. A visual inspection of the engine compartment often reveals fluid leaks or damage to the boot, which requires an immediate response.
DIY fault diagnosis
Checking the status tie rod You can do it yourself without resorting to service centers. To do this, the car must be lifted on a lift or placed on a pit so that the wheels rotate freely. A visual inspection of the anthers will help identify damage through which dirt could get inside.
Ask the assistant to sway the steering wheel left-right while you watch the thrusts. You need to see where exactly the gap or backlash occurs. If the steering wheel turns, and the traction is in place - the problem is in the hinge. Steering end It is also checked for axial and radial backlash by swaying the wheel.
Use the mount to check the suspension, putting on the thrust and anther. Any movement that is not provided by the design indicates wear. Do not forget to check the mounting of the rack itself, as the untwisted bolts can simulate the knock of thrust.
- up to 50,000 km
- from 50 to 100,000 km
- 100 to 150,000 km
- more than 150,000 km
Selection of spare parts: original or analogue?
The auto parts market offers many options for Skoda Octavia A7, from expensive original parts to budget analogues. Original steering thrust from the manufacturer guarantees compliance with all factory tolerances and the quality of materials. Usually, such spare parts have a long service life and are supplied in branded packaging.
Analogues can be both qualitative and downright bad. It is worth paying attention to proven brands specializing in suspension, such as: LemfΓΆrder or TRW. Cheap Chinese parts often canβt withstand a couple of seasons of operation, requiring re-repair.
When choosing, be sure to check the article details, as for different generations and modifications. Octavia There may be different tractions. Pay attention to the package: sometimes there are no anthers or locking rings in the box, which can lead to additional costs.
Hidden information about marking
Sometimes manufacturers apply hidden markings on the thrust body, which can only be seen in good lighting. This helps distinguish the fake from the original, as the counterfeit label is often blurred or missing.
Step-by-step instructions for replacing the tie rod
Replacement tie rod A process that requires accuracy and a special tool. You will need jacks, a set of keys, a removable tip and a dynamometer key. Before starting work, make sure that the car is securely fixed and the wheels are straight.
First, remove the wheel and unscrew the steering tip mount nut to the swivel fist. Use the removable to press the tip finger without damaging the thread. Then unscrew the counternut on the thrust itself and disconnect it from the rake. Turn counter This will help maintain the original steering position.
Installation of the new part is done in reverse order. It is important not to pull bolts and nuts, observing the tightening moments specified in the technical manual. Boot It should be installed tightly, without distortions and gaps.
βοΈ Preparation for steering replacement
After installing a new part, it is necessary to perform a collapse-descendence. Without this procedure, the rubber wears out quickly and the steering wheel may not return to the center position. In the service, you will also check the angle of convergence so that it corresponds to the factory parameters for Octavia A7.
Before unscrewing the thrust from the rack, be sure to apply the marks on the threaded part so that the approximate convergence of the wheels is close to the factory. This will facilitate the process of setting up on the stand.
Technical specifications and compatibility table
For the correct selection of spare parts, you need to know the exact characteristics of your car. Below is a table with the main parameters of steering rods for various modifications Skoda Octavia A7. Please note that the data may vary slightly depending on the year of manufacture and engine type.
| Engine model | Drive type | Article (example) | Resource (km) |
|---|---|---|---|
| 1.6 MPI (CFNA) | Front | 5Q0 422 371 | 120 000 |
| 1.4 TSI (CZCA) | Front | 5Q0 422 371 A | 150 000 |
| 1.8 TSI (CZDA) | Front | 5Q0 422 371 B | 140 000 |
| 2.0 TDI (CRBB) | 4x4 | 5Q0 422 372 | 130 000 |
These figures are averaged and may vary depending on the operating conditions. In a city with frequent traffic jams and irregularities, the resource may be less. On the track with a calm ride, traction can go longer than the stated period.
Timely replacement of steering rods on the Skoda Octavia A7 prevents expensive repairs of the steering rack and ensures safety of movement.
Nuances of operation and prevention
To extend service life steering-systemIt is necessary to monitor the condition of the road surface and try to drive around deep pits. Wheels hitting obstacles create huge loads on hinges and thrusts, which leads to their rapid destruction. Regular inspection of the suspension will help to identify problems at an early stage.
In winter, special attention should be paid to cleaning the suspension from reagents and salt. Corrosion can destroy the thrust body or cling threaded joints, which will greatly complicate future repairs. Use special protective compounds for processing metal elements.
Donβt forget to check the integrity of the anthers at every car wash. Small cracks can expand imperceptibly, passing moisture inside the mechanism. Lubrication inside the hinge must be fresh and not flowing outwards.
β οΈ Warning: If you notice a leak of steering fluid or a strong knock when turning the steering wheel in place, immediately stop operating the car and contact the service. This may indicate critical wear of reiki coils.
β οΈ Warning: When replacing traction, be sure to change the steering tips, even if they appear whole. A worn tip can quickly disable new traction.
Frequently asked questions and answers
Can only the steering tip be replaced?
Technically, this is possible, but many manufacturers do not recommend doing it alone, as the inside of the traction also wears out. It is better to replace the traction in the assembly to guarantee reliability.
Do I need to make a break-down after the thrust replacement?
Yes, it's a mandatory procedure. Any intervention in the steering changes the angles of the wheels, and without adjustment, the car will go unstable, and the rubber wears unevenly.
How long does it take to replace the steering thrust?
In the conditions of service, the replacement of one thrust takes from 1 to 2 hours. If both thrusts change and adjustment is required, the time can increase to 3-4 hours.
Why does the steering rack knock, even if the thrusts are new?
Knocking can be caused by wear of the rack body itself, bearings or fasteners. There may also be a problem with the electronic power steering, which requires diagnosis.
β οΈ Attention: Ignoring knocking in the steering system of the Skoda Octavia A7 can lead to jamming of the rack and complete loss of control at high speed.