The wheel bearing is one of the most loaded components of the chassis ŠKODA Octavia Tour, and its wear can lead to serious consequences: from an unpleasant hum at speed to complete wheel locking. Model owners A5 (1Z3, 1Z5), A7 (5E3) and restyled versions FL They often encounter this problem at mileages of 80,000 km or more, especially when driving aggressively or operating on bad roads. In this article, we will look at how to independently diagnose a fault, select a high-quality bearing and perform a replacement without mistakes that even experienced craftsmen make.

Feature Octavia Tour - in the design of the front suspension type McPherson, where the wheel bearing is integrated into the steering knuckle. This complicates the replacement process compared to classic circuit solutions, but with the right approach, the work can be completed in a garage in 3–4 hours. We focus on critical moments that ignore 90% of instructions: for example, why you should not hit a new hub with a hammer and how to avoid damaging the ABS sensor when dismantling.

Signs of a wheel bearing failure on a ŠKODA Octavia Tour

The first symptoms of bearing wear are often confused with tire noise or transmission problems. However, there are specific signs that directly indicate a problem:

  • 🔊 Hum or howl on the wheel side, increasing when accelerating to 60–80 km/h. On Octavia Tour with engines 1.6 MPI and 1.8 TSI this sound can be masked by the operation of the turbine, so it is better to carry out diagnostics in neutral gear.
  • 🔄 Vibration on the steering wheelwhich appears when turning. This is due to play in the bearing, which is especially noticeable on models with electric power steering (EPS).
  • 🛑 Clicking noises when braking. If the bearing has already fallen apart, the metal balls can block rotation, resulting in jerking.
  • 🌡️ Hub overheating. After the ride, touch the center of the wheel - if the temperature is noticeably higher than on the other wheels, this is a sure sign.

For an accurate diagnosis, use the “rocking” method: jack up the car, grab the wheel at the “9 and 3 o’clock” position and sharply pull it towards/away from you. A play of more than 0.5 mm is a direct indicator for replacement. On Octavia Tour with disc brakes It is more convenient to carry out the check with the wheel removed to eliminate play in the brake caliper.

⚠️ Attention: If you hear a crunching or grinding noise when the wheel rotates, stop moving immediately! This means that the bearing has already failed, and further operation may lead to the wheel jamming while moving.
📊 What was the first symptom of a bad wheel bearing you noticed?
  • Rumble at speed
  • Steering wheel vibration
  • Clicking noises when braking
  • Wheel overheating
  • Another sign

Selecting a wheel bearing: original vs analogues

On ŠKODA Octavia Tour Bearings of two types are installed depending on the year of manufacture and configuration:

Model/Generation Original art. Size(mm) Recommended analogues
Octavia Tour A5 (1Z3, 1Z5) 2004–2013 1J0 598 625 A (left)
1J0 598 626 A (right)		 72×42×37 SKF VKBA 3643, FAG 713610630, SNR R155.62
Octavia Tour A7 (5E3) 2013–2020 5E0 598 625 (left)
5E0 598 626 (right)		 78×42×37 NTN-SNR R155.93, INA HXB-0015, Timken HA590349
Facelift FL (2017–present) 5Q0 598 625 B 78×42×37 (reinforced) SKF VKBA 3796, FAG 713610680

Original bearings from VW Group (production FAG or INA) last an average of 120,000–150,000 km, but their price can reach 8,000–12,000 rubles apiece. High-quality analogues (SKF, NTN-SNR) will cost 3,500–5,000 rubles and will last no less if installed correctly. Budget options (Febi, Optimal) is cheaper (1,800–2,500 rubles), but the resource rarely exceeds 50,000 km.

When choosing, pay attention to:

  • 🔧 Availability of ABS ring. On Octavia Tour with the system ESP 8.1 (since 2013) the bearing must have a magnetic ring for the speed sensor.
  • 🛡️ Protective covers. It is optimal to choose models with metal anthers (for example, SKF VKBA 3643), not plastic ones.
  • 📦 Complete set. The box should contain a retaining ring, a nut and lubricant (e.g. Molykote G-4700).
⚠️ Attention: Bearings for Octavia Tour with all-wheel drive 4×4 (Haldex) have a different art. number (1K0 598 625 C) and are not interchangeable with front-wheel drive versions!
💡

Before purchasing, check the bearing for play in the store: take it in your hands and rock the inner ring. Even the smallest gap is a reason to refuse the purchase.

Tools and preparation for replacement

To replace the wheel bearing with ŠKODA Octavia Tour you will need a specialized tool. Without it, the risk of damage to the steering knuckle or bearing increases significantly:

  • 🔧 Wheel bearing puller (for example, Hazet 4962-1 or Kukko 204-2). Universal "paws" will not fit - you need a model with an adapter for 72 mm or 78 mm (depending on generation).
  • 🔨 30mm socket with extension for the hub nut. On models with electric parking sensors (EPB) will require a diagnostic scan tool to reset the sensor.
  • 🔩 Torque wrench (tightening torque of the hub nut - 220–250 Nm).
  • 🛠️ Special key for circlips (for example, Knipex 46 11 200).
  • 🧲 Magnetic holder for bolts - when dismantling the steering knuckle, it is easy to lose the fasteners.

Also prepare:

  • 🔥 Gas burner or hair dryer (to heat the hub during pressing).
  • 🧴 Lubricant Molykote G-4700 or LIQUI MOLY LM 50 for seats.
  • 🛢️ Brake fluid DOT 4 (you will have to bleed the system after removing the caliper).
  • 📋 Tightening torques key bolts (see table below).
element Tightening torque (Nm) Note
Hub nut 220–250 Only tighten with the vehicle lowered!
Steering knuckle bolts to strut 100 + 90° Use new bolts (disposable)
Caliper bolts 120 Apply before installation Würth Copper Paste
Ball joint bolts 60 + 180° Check after 100 km

Before starting work:

  1. Place the car on a level surface and secure the rear wheels with shoes.
  2. Loosen the hub nut before jacking (it is tightened with a large torque!).
  3. Remove the negative terminal from the battery to avoid airbag deployment when working with the sensors.

☑️ Preparing to replace a bearing

Done: 0 / 5

Step-by-step instructions for replacing a bearing

The replacement process is divided into stages, taking into account the features ŠKODA Octavia Tour. Main rule: do not apply force to the inner race of the bearing - this will lead to its damage even before installation.

1. Removing the old bearing

After removing the wheel and caliper (hang it on a wire so as not to damage the hose!):

  1. Unscrew the bolts securing the steering knuckle to the strut (3 pcs.) and the ball joint (2 pcs.). On models with aluminum levers (from 2017) use a socket E14.
  2. Remove the steering knuckle along with the hub. To do this, you may need a puller or a hammer with a wooden spacer (only hit the fist, not the bearing!).
  3. Use a puller to push out the old bearing. On Octavia Tour A7 it fits tighter, so the fist will have to be heated to 100–120°C.

2. Installing a new bearing

The critical stage is pressing. This is where many people make mistakes:

  • ❌ You can't Hitting the outer ring with a hammer will deform the raceways.
  • ✅ Correct use a mandrel that presses only on outer ring.

Procedure:

  1. Clean the seat in the fist from rust and apply a thin layer of lubricant Molykote.
  2. Install the new bearing into the knuckle, aligning the hole for the ABS sensor with the groove.
  3. Using a puller, press the bearing until it stops. On Octavia Tour FL pressing moment - 20–25 kN.
  4. Secure the locking ring (on models before 2013 it is plastic, be careful!).

3. Assembly and adjustment

After installing the bearing:

  1. Apply grease to the drive shaft splines and install the hub.
  2. Tighten the hub nut with a torque wrench (220–250 Nm). Important: Perform final tightening only after lowering the vehicle onto its wheels!
  3. Reinstall the steering knuckle using new bolts. Tightening torque - 100 Nm + 90°.
  4. Connect the ABS sensor and check the gap between it and the bearing race (should be 0.8–1.2 mm).
⚠️ Attention: On Octavia Tour with the system XDS (electronic locking differential) after replacing the bearing, the adaptations must be reset via the diagnostic scanner (VCDS or ODIS). Otherwise, ESP will not work correctly!
What to do if the bearing does not press in?

If the bearing does not seat completely, check:

- Are there any burrs in the fist seat (process with a file).

- Is the locking ring installed correctly (on some models it gets in the way).

- Is the bearing skewed (use the mandrel strictly in the center).

If the problem persists, heat your fist to 150°C (no higher!) with a hair dryer.

Common mistakes and how to avoid them

Even experienced craftsmen make mistakes when replacing a wheel bearing with ŠKODA Octavia Tour. Here are the most critical ones:

  • 🔧 Using an old hub nut. It deforms when tightened and does not provide the required torque. Always take a new one (art. N 908 132 02).
  • 🔥 Bearing overheating. When heated above 120°C, the factory lubricant is destroyed and the service life is reduced by 30–40%.
  • 🛠️ Incorrect pressing. If you put pressure on the inner ring, the bearing will fail after 1,000–2,000 km.
  • 📏 Ignoring wheel alignment. After replacement, the wheel alignment angles change, which leads to uneven tire wear.

Another typical problem is ABS sensor damage. On Octavia Tour A7 it is attached to the steering knuckle with a bolt M6, which often breaks when unscrewed. To avoid this:

  • Before dismantling, treat the threads with penetrating lubricant (WD-40 Specialist).
  • Use an impact driver or socket with an extension.
  • If the bolt is broken, drill it out and tap a new thread. M7.

Also, many people forget about ABS magnetic ring. On bearings for Octavia Tour FL it often sticks to the sensor. Forced separation may damage the magnet - in this case you will have to replace the entire sensor (art. 5Q0 927 801, ~4 500 ₽).

💡

The most common cause of premature wear of a new bearing is improper pressing. Always use a mandrel that presses only on the outer ring!

Cost of service replacement vs self-repair

Wheel bearing replacement cost ŠKODA Octavia Tour in services varies depending on the region and service station level:

Service type Cost of work (1 side) Cost of spare parts Total
Official dealer 8 000–12 000 ₽ 10,000–15,000 rubles (original) 18 000–27 000 ₽
Unofficial service 3 500–6 000 ₽ 4,000–8,000 rubles (analog) 7 500–14 000 ₽
On your own 0 ₽ 3 500–5 000 ₽ 3 500–5 000 ₽

The savings when replacing yourself are obvious, but consider the hidden costs:

  • 🛒 Tool. A bearing puller will cost 3,000–5,000 rubles, a torque wrench - from 2,500 rubles.
  • ⚖️ Time. Without experience, the work will take 5–6 hours (versus 1.5–2 hours in the service).
  • 🔄 Wheel alignment. After replacement, adjustment will be required (1,500–2,500 rubles).

If you have never done such work, we recommend contacting a service with good reviews. However, for owners Octavia Tour with a mileage of 150,000 km, independent replacement can be a profitable solution - especially if a comprehensive chassis repair is planned (replacing struts, silent blocks, etc.).

Frequently asked questions about replacing a wheel bearing

Is it possible to drive with a humming bearing?

Short-term (up to 500–1,000 km) - yes, but only if there is no vibration or crunching. Driving for a long time with a worn bearing leads to:

  • Overheating of the hub and deformation of the brake disc.
  • Destruction of the bearing cage and wheel jamming.
  • Damage to the ABS sensor (on Octavia Tour A7 it is built into the bearing).

At the first sign of trouble, check the bearing for play. If there is one, replace it immediately.

Which bearing is better: SKF or FAG?

Both brands supply bearings to the conveyor VW Group, but there are nuances:

  • SKF VKBA 3643/3796: better withstands off-road loads, but is sensitive to overheating when pressed.
  • FAG 713610630/713610680: runs quieter, but the resource is 10–15% less during aggressive driving.

For Octavia Tour with engines 2.0 TDI (high torque) preferred SKF. For urban use - FAG.

Do I need to replace the bearing on both sides?

Not necessary if the second bearing is in good condition. However, keep in mind:

  • On Octavia Tour A5 (until 2013) bearings wear out evenly due to symmetrical load.
  • On Octavia Tour A7 with progressive steering the left side is loaded more heavily.

If the car's mileage exceeds 120,000 km, it is advisable to replace both bearings - this will save time and money in the long run.

What should I do if there is still a hum after replacement?

The reasons may be as follows:

  1. Loose hub nut (check the torque with a torque wrench).
  2. Damaged retaining ring (on Octavia Tour FL it often breaks during installation).
  3. Bearing defect (especially for budget brands like Febi).
  4. ABS incompatible (for example, a bearing is installed without a magnetic ring).

If the hum only appears at speeds above 100 km/h, check the wheel balancing - the vibration may be transmitted to the hub.

How often should bearings be checked?

The recommended inspection interval is every 20,000 km or at the following events:

  • After a strong impact on the wheel (for example, falling into a hole).
  • When replacing brake discs or calipers.
  • After a long off-road trip.
  • When there is vibration on the steering wheel.

On Octavia Tour with a mileage of more than 100,000 km, it is better to check every 10,000 km - especially for cars operated on Russian roads.