Engine 1.6 MPI (index) BFQ) has become a true symbol of reliability for a generation Skoda Octavia Tour. This atmospheric unit is famous for its simplicity and maintainability, however, like any mechanism, it tends to wear out. One of the most common problems faced by owners after 150 thousand kilometers of mileage is the wear of transmission elements, namely, the use of the engine. clutch kit.
Timely diagnosis and proper replacement of the components are critical to maintaining the dynamics of the car. Ignoring the signs of slippage can lead to serious consequences, up to damage to the flywheel or basket. In this article, we will discuss in detail how to choose original set and execute coupling by saving on the services of the service center.
Symptoms of wear and system diagnostics
The first sign that it is time to think about replacing is a change in pedal behavior. If the pedal is too short or, conversely, it falls to the floor without resistance, this is a sure sign of malfunction. Owners Skoda Octavia with motor BFQ Often note the appearance of extraneous sounds when squeezing the pedal - a characteristic creak or the noise of the bearing of the clutch off.
Particular attention should be paid to the slippage. Turn on the fourth gear at 50 km/h and press the gas sharply. If the engine speeds increase, and the speed does not increase proportionally, then the clutch disc can no longer transmit torque. In this case, the car can twitch when moving from a place, especially under load.
Do not ignore the smell of fire in the cabin. It appears when a strong slip of the friction plates of the disk. If you notice these symptoms, you should have an immediate diagnosis to avoid more expensive repairs. Transmission diagnostics shall include a check of the free running of the pedal and a visual inspection of the unit when removing the gearbox.
β οΈ Attention: Driving with a slipping clutch can lead to overheating of the flywheel. In case of damage to the flywheel, its replacement will cost many times more than buying a new clutch set, since a full replacement of the two-mass flywheel or surface leakage is often required.
Choosing the optimal set for the BFQ engine
When choosing a spare part for Skoda Octavia Tour 1.6-engine BFQ It is important to consider that this motor works with a classic single-disc clutch. The spare parts market offers a variety of options, from original solutions to quality analogues. The main rule is not to save on critical transmission nodes.
Original set from Volkswagen Group It is always a standard of quality, but its price can be overstated. The alternative is brands that are suppliers to the conveyor. Market leaders in this segment are recognized Luk, Valeo and Sachs. These manufacturers guarantee a resource comparable to the factory and exact compliance with geometric parameters.
It is important to check the package before buying. The ideal set includes: pressure plate (basket) driven disk frictionally-laced and release bearing. Some kits also contain lubricant for the shaft slit and a guide sleeve. For the engine. BFQ It is critically important to choose the correct diameter of the disc and the number of stris on the hub.
- π§ The original number of the VW is 036 141 025 AF (or its analogues for specific years of release).
- π§ Luk brand: 624 3159 09 kit, which has proven itself as the most durable.
- π§ Valeo brand: Series 826304, featuring smooth gear switching.
- Original VW
- Luk
- Sachs
- Valeo
Tools and workplace preparation
Before starting work, the appropriate tool should be prepared. Replacement of clutch by Skoda Octavia A time-consuming process that requires the removal of the gearbox. You will need a reliable jack, bodyrests and a set of keys. Pay special attention to the keys for unscrewing the bolts of the gearbox attachment, since they are often tightened with a big moment.
The list of necessary equipment includes: a rattle key with an extension cord, a set of heads (including 16, 18, 21 mm), an mount for fixing the flywheel, as well as a special key for unscrewing the hub nut. Do not forget about the liquid for washing the clutch case and the rag.
Work is better to carry out on the observation pit or lift. If you work on the ground, be sure to use car safety stands. Work safety It should be a priority because the weight of the transmission is a significant amount.
βοΈ Preparing to replace the clutch
The process of dismantling and removing the gearbox
The first step is to remove the battery and air filter to allow access to the top of the gearbox. Next, turn off the speedometer cable, sensor connectors and gearshift drive cables. Be careful with plastic fixtures as they can easily break when handled rough.
Unscrew the bolts of the subframe mount and suspension levers if this is required to access the gearbox. On models with an engine BFQ Often it is necessary to remove the right support of the engine and partially dismantle the subframe. Use the mount to fix the crankshaft so that the flywheel does not turn when unscrewing the bolts of the basket.
Weaken the bolts of the gearbox attachment to the engine. After that, carefully move the gearbox away from the engine, making sure that the primary shaft does not damage the slime. The box should be hanging on a stand or jack. Do not lower it completely to the ground, as you will need to work with the flywheel.
Difficulties during dismantling
Often the bolts of the mounting of the gearbox are clamped. Use the penetrating lubricant in advance. If the subframe interferes, it can be lowered by previously weakening the bolts, but not removing completely.
Replacement of nodes and installation of a new set
Now that the knot is open, carefully examine the flywheel. If it has deep risks, cracks, or signs of overheating (blue), it must be replaced or weeded. For two-mass flywheels, a duct is impossible, only a complete replacement. Nana Octavia Tour 1.6 is most often a classic flywheel that can be restored.
Install a new slave disc using a centering mandrel. It is a special tool that is included in most kits or sold separately. Without a mandrel, you will not be able to smoothly combine the disk with the flywheel, which will lead to the impossibility of installing the basket. Disc alignment The most important moment of assembly.
Then set the pressure disc and tighten the cross-cross bolts with the recommended moment. Do not tighten the bolts "deadly" immediately, do it gradually, checking the uniformity of the fit. Replace the squeezable bearing, having previously lubricated the shaft slats with a special high-temperature lubricant.
- π‘ Use the clutch kit mandress for perfect alignment.
- π‘ Lubricate the slits of the primary shaft with a thin layer of lubrication, but do not overdo it.
- π‘ Check the condition of the crankshaft oil before assembly, if necessary, replace it.
Proper centering of the driven disk with the help of a mandrel guarantees smooth gear shifting and no vibrations when moving from a place.
Transmission assembly and final inspection
After installation of all components, you can start the reverse assembly. Carefully bring the gearbox to the engine, combining the primary shaft with the tracks of the driven disc. Do not use excessive force, the shaft should enter easily. Tighten the bolts of the gearbox attachment with the recommended tightening moment.
Return to place all the removed elements: cables, connectors, subframe and suspension. Pour fresh transmission oil, check the level. Set the battery and turn on the ignition. Check the clutch pedal - it should have a free ride and a clear trigger point.
Take a test trip. Pay attention to the clutch when switching all gears, especially from the first to the second and when moving into the slide. If there is no jerks, noise and slippage, the work is done successfully. New clutch run-in recommended for the first 500-1000 kilometers without sharp starts and high loads.
β οΈ Warning: After the clutch is replaced, be sure to check the level of transmission oil. Insufficient amount of oil in the gearbox can lead to rapid wear of gears and failure of the gearbox.
Common mistakes and expert advice
Many newbies make the mistake of trying to save money on a throwout bearing by installing an old one. This is unacceptable, since the new disk operates under different conditions, and the old bearing may fail after a couple of thousand kilometers. Always change the entire set.
Another common mistake is not tightening the basket bolts correctly. If they are tightened unevenly, the disk will be pressed against the flywheel with a distortion, which will cause beating and vibration of the steering wheel when starting off. Use a torque wrench and follow the tightening sequence.
It is also important to prevent oil from getting on the friction linings. Even a microscopic drop of oil from the crankshaft seal will lead to rapid wear and slipping. If the seal was leaking, it must be replaced.
| Component | Sign of wear | Recommendation |
|---|---|---|
| Driven disk | Slipping, burning smell | Replacement with a kit |
| Pressure plate | Vibration, jerking | Replacement when petals are worn |
| Release bearing | Creaking noise when pressing pedal | Mandatory replacement |
| Flywheel | Blue spots, deep risks | Grooving or replacement |
β οΈ Attention: Never try to βfireβ the clutch when starting off on an icy road or when towing. This will instantly overheat the discs and ruin the new set. Use a low gear and gentle throttle.
If you are not confident in your abilities, it is better to entrust the removal of the gearbox to professionals, and do the assembly and installation of the new kit yourself to save on work.
Frequently Asked Questions
How long does the clutch last on the Skoda Octavia Tour 1.6?
Engine clutch life BFQ averages 150-200 thousand kilometers. However, it greatly depends on driving style and operating conditions. In the city, with frequent traffic jams, the resource can be reduced to 100 thousand.
Is it possible to change only the driven disk?
Theoretically it is possible, but not recommended. The old basket may have wear that will ruin the new disc. In addition, the release bearing is most likely already worn out. Saving on parts will lead to repeated removal of the gearbox in a short time.
Do I need to change the flywheel when replacing the clutch?
Not always. If the flywheel is classic and does not have deep scratches, blue stains from overheating or beating, it can be reused. If the springs are heavily worn or there is play, the dual-mass flywheel requires replacement.
What lubricant should I use for the shaft splines?
It is recommended to use high temperature molybdenum disulfide (MoS2) grease or a special clutch spline grease. Regular lithium oil may leak or dry out.
Why did the clutch pedal become soft after replacement?
This may be due to air getting into the hydraulic system (if you have a hydraulic drive) or improper cable adjustment (if you have a mechanical one). In some cases, it is necessary to bleed the system or re-check the release bearing installation.