Replacing brake discs with ล KODA Octavia A7 (2013โ€“2020) - a procedure that sooner or later every owner will need. Not only braking efficiency, but also road safety directly depends on the condition of the discs. However, choosing the right parts often turns into a puzzle: original wheels from VW Group They are expensive, and the spare parts market is full of analogues of varying quality.

In this article we will look at all key aspects: From identifying signs of wear to step-by-step replacement instructions. You will learn which disc sizes are suitable for different engines Octavia A7, which brands are trustworthy, and how to avoid common installation mistakes. And also - unique data on the compatibility of discs with pads from different manufacturers, which are not in standard catalogs.

1. What kind of brake discs are installed on the ล KODA Octavia A7 from the factory?

Factory brake discs Octavia A7 depend on the configuration and engine type. Basic versions (e.g. with motors 1.4 TSI or 1.6 TDI) are equipped with discs with a diameter 288 mm front and 272 mm behind. More powerful modifications (for example, 2.0 TSI or RS versions) get larger front discs - 312 mm or even 340 mm (for Octavia RS 230).

Original discs are produced under the brand TRW (included in ZF Group) and have article numbers starting with 1Z0, 5Q0 or 6Q0 - depending on the year of manufacture. For example:

  • ๐Ÿ”ง Front discs for 1.4 TSI: 5Q0 615 301 A (288 mm)
  • ๐Ÿ”ง Front discs for 2.0 TSI: 5Q0 615 301 J (312 mm)
  • ๐Ÿ”ง Rear discs (standard): 5Q0 615 601 A (272 mm)

Important: even within the same model, the diameter of the discs may differ. For example, Octavia A7 with 1.8 TSI and all-wheel drive (4x4) often equipped with front discs 312 mm, while the front-wheel drive version of the same engine is 288 mm. You can check the exact size using the VIN code or visually by measuring the diameter of the standard disc.

โš ๏ธ Attention: Installing disks of the wrong diameter will lead to incorrect operation. ABS and ESP. For example, if on 1.6 TDI install front discs from RS versions (340 mm), the wheel speed sensors will read distorted data, which can lead to failures in the stability control system.

2. Signs of brake disc wear: when is it time to change?

The manufacturer recommends checking the condition of the brake discs every 30โ€“40 thousand km, but the actual service life depends on driving style and the quality of the pads. Here are the key symptoms indicating the need for replacement:

  • ๐Ÿ›‘ Vibration on the steering wheel when braking - a sign of deformation (โ€œbeatingโ€) of the disk. More often it occurs after a sharp cooling of a hot disk (for example, after braking at high speed and then driving through a puddle).
  • ๐Ÿ”Š Creaking or grinding - if the sound does not disappear after running in new pads, deep wear or cracks on the disc are likely.
  • ๐Ÿ“ Thickness reduction below the permissible limit. For most drives Octavia A7 minimum thickness is 22โ€“24 mm (exact values are indicated on the end of the disk).
  • ๐Ÿ” Visible grooves or chips โ€” deep grooves (more than 1 mm) worsen contact with the pad and shorten its service life.

Particular attention should be paid ventilated discs (installed at the front on most versions). Over time, their internal channels become clogged with dirt and rust, which impairs heat dissipation. If a visual inspection shows that more than 30% of the channels are blocked by corrosion, the disk must be replaced, even if its thickness is normal.

๐Ÿ“Š How often do you check the brake discs on your car?
  • Every 10 thousand km
  • Every 30 thousand km
  • Only when symptoms appear
  • Never checked

3. How to choose brake discs: original vs analogues

Spare parts market for ล KODA Octavia A7 offers three categories of disks:

  1. Original (OEM) - are produced TRW or ATE under the brand VW Group. Guaranteed quality, but the price for a front + rear set may exceed 30โ€“40 thousand rubles..
  2. Premium analogues โ€” brands Brembo, Textar, Zimmermann. The quality is comparable to the original, but 20โ€“30% cheaper. For example, front discs Zimmermann for 1.4 TSI will cost ~8โ€“10 thousand rubles. for a couple.
  3. Budget analogues โ€” Bosch, Ferodo, LPR. The price is 40โ€“50% lower, but the service life and heat dissipation are worse. Suitable for a relaxed riding style.

When choosing analogues, pay attention to:

  • ๐Ÿ”น Certification - disks must comply with the standard ECE R90 (marking on packaging).
  • ๐Ÿ”น Coverage type - optimal if the working surface not painted (paint impairs break-in). Anti-corrosion coating on non-working areas is acceptable.
  • ๐Ÿ”น Pad compatibility - some disks (for example, Brembo) require pads with soft friction linings, otherwise there will be accelerated wear.
Brand Disc model (front, 288 mm) Article Price per pair, rub. Features
TRW (OEM) DF4530 5Q0615301A ~22 000 Original, high wear resistance
Zimmermann 100.3806.20 โ€” ~9 500 Light weight, good heat dissipation
Brembo 09.9662.11 โ€” ~11 000 Suitable for aggressive riding
Textar 91035000 โ€” ~8 200 Budget premium, quiet operation
LPR 05.3806 โ€” ~5 500 Economy option, short resource
โš ๏ธ Caution: Discs are perforated or notched (slotted/drilled) are only suitable for sport driving. On civilians Octavia A7 they wear out faster and can crack if exposed to frequent heat (for example, in traffic jams). The exception is models with carbon-ceramic coated, but they cost from 50 thousand rubles. per disc.

4. Step-by-step instructions for replacing brake discs

Replacing disks with Octavia A7 does not require special tools, but will be required jack, wheel wrench, 17 mm socket wrench (for caliper guides) and torque wrench (to tighten the hub bolts). If the disc is โ€œstuckโ€ to the hub, you will need WD-40 or liquid key.

Replacement algorithm (using the example of front discs):

Disconnect the negative terminal of the battery (to avoid triggering ESP)

Jack up the car and remove the wheel

Clean the caliper and guides from dirt with a wire brush

Prepare new pads (if replacement is required)

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  1. Removing the caliper:

    Unscrew the two caliper mounting bolts (usually Torx T30 or 7 mm hexagon). Hang the caliper on a wire to avoid damaging the brake hose. Do not disconnect the hose โ€” this will lead to air entering the system!

  2. Removing the disk:

    Unscrew the two bolts securing the disc to the hub (the key is on 17 mm). If the disc cannot be removed, gently tap it on the back side with a rubber hammer. Do not hit the work surface - this deforms the disk.

  3. Installing a new drive:

    Clean the hub from rust and apply a thin layer copper grease to the adjacent surface. Install the disc and tighten the bolts to torque 100 Nm.

  4. Assembly:

    Install new pads (if required), lubricate the caliper guides silicone grease and reassemble everything in reverse order. After replacement press the brake pedal several timesso that the pads are in working position.

๐Ÿ’ก

If the brake pedal becomes soft after replacing the discs, bleed the brake system. To do this, you will need an assistant or a vacuum pump. Instructions for pumping are in FAQ below.

5. Compatibility of discs with pads: what you need to know

New brake discs are always installed together with pads - this is the rule. But not all pads work equally well with different discs. For example:

  • ๐Ÿ”ฅ Discs Brembo with high carbon content require pads with ceramic composition (for example, Brembo P85056N), otherwise there will be accelerated wear.
  • โ„๏ธ For disks Textar or TRW pads of medium hardness are suitable (for example, ATE 13.0460-7206.2).
  • โš ๏ธ Pads with metal fibers (e.g. Ferodo Premier) can โ€œeatโ€ soft discs (for example, LPR) for 10โ€“15 thousand km.

Critical point: when replacing disks with Octavia A7 with ESP 9.0 (installed on cars 2017+) it is necessary to reset the brake adaptation via a diagnostic scanner (for example, VCDS or ODB11). Otherwise, the system may generate an error P0500 (wheel speed sensor malfunction).

Disk type Recommended pads What to avoid
Original (TRW) ATE Ceramic, Textar Pro High Copper Content Pads
Zimmermann Brembo P68050N, TRW GDB1546 Cheap pads without certificate ECE R90
Brembo (perforated) Brembo P85056N, EBC Redstuff Pads with higher hardness FF (according to SAE scale)

6. Common mistakes when replacing disks and how to avoid them

Even experienced car owners sometimes make mistakes that lead to premature wear or malfunctions. Here are the most common:

  • ๐Ÿ”ง Ignoring hub runout - if the hub is deformed (runout more than 0.05 mm), the new disc will quickly warp. Check the hub micrometer before installing the disc.
  • ๐Ÿ› ๏ธ Bolt tightening โ€” the tightening torque of the disk bolts should be 100 Nm. Excess leads to deformation, deficiency leads to vibrations.
  • ๐Ÿงด Using the wrong lubricant โ€” graphite or lithium Grease on the caliper guides will cause them to jam. Allowed only silicone or copper pasta
  • ๐Ÿ”„ Failure to follow the replacement procedure โ€” if you change discs on only one axle (for example, only the front ones), be sure to check the thickness of the rear ones. A difference in wear of more than 20% will lead to an imbalance of braking forces.
What happens if you don't replace the brake hoses when replacing discs?

If brake hoses are older than 6-7 years, their rubber walls may crack from the inside. When you press the brake pedal, the hose โ€œinflatesโ€ like a balloon, which leads to a delay in brake response. In a critical situation, this will increase the braking distance by 30โ€“50%.

โš ๏ธ Attention: After replacing the disks, the first 200โ€“300 km Avoid sudden braking - the pads need time to break in. During this period, braking efficiency may be reduced by 15โ€“20%.

FAQ: Frequently asked questions about brake discs on the ล KODA Octavia A7

Is it possible to install wheels with a larger diameter than standard ones?

Theoretically yes, but you will need:

  • Replace the calipers with larger ones (for example, with Octavia RS).
  • Select wheels with sufficient offset (ET).
  • Reflash ECU brake system (otherwise ABS will not work correctly).

In practice, such an upgrade will cost 80โ€“100 thousand rubles. and will void the warranty (if there is one). For civilian driving, standard wheels are sufficient.

How to bleed the brakes after replacing discs?

Bleeding order (start with the wheel furthest from the master cylinder):

  1. Rear right โ†’ rear left โ†’ front right โ†’ front left.
  2. Place a transparent hose onto the bleeder fitting and lower the other end into a container with brake fluid.
  3. An assistant presses the brake pedal 3-4 times and holds it.
  4. Unscrew the fitting ยฝ turn, release the air, tighten the fitting.
  5. Repeat until no more bubbles appear in the hose.

After bleeding, add fluid to the level MAX in the reservoir and check the pedal for โ€œsoftnessโ€.

How long do brake discs last on an Octavia A7?

The service life depends on the driving style and the quality of the pads:

  • City mode (calm ride): 80โ€“100 thousand km.
  • Aggressive riding (frequent acceleration/braking): 40โ€“60 thousand km.
  • Extreme conditions (race track, off-road): 20โ€“30 thousand km.

Note: Rear discs wear out 1.5โ€“2 times slower than the front ones.

Is it possible to sharpen the discs instead of replacing them?

A groove is permissible if:

  • The thickness of the disc after grooving will be at least minimum acceptable (indicated on the end of the disk).
  • There are no deep cracks or chips on the disc.
  • Disc runout does not exceed 0.1 mm.

Cost of turning one disc - 1,500โ€“2,500 rub., but this is a temporary solution. After 10โ€“15 thousand km, the disc will still have to be changed.

Which wheels are best for winter?

In winter conditions, we recommend wheels with:

  • Perforation โ€” better removal of snow porridge and ice crumbs.
  • Anti-corrosion coating (for example, Zimmermann Coat Z).
  • Increased heat capacity (for example, Brembo Max).

Avoid discs with slotted โ€” they get clogged with snow faster.

๐Ÿ’ก

If a squeak appears after replacing the discs, do not rush to blame the pads. In 80% of cases the cause is incorrect running-in. For the first 100 km, avoid sudden braking and use the engine to slow down more often (for example, in a lower gear).