Rear brake pads on Ε KODA Octavia A7 (including facelift 2017) - a consumable that requires attention every 30–50 thousand km depending on driving style. Unlike the front ones, the rear pads wear out more slowly, but replacing them has nuances: it works here parking brake (handbrake), and on some versions (for example, with a motor 1.8 TSI or 2.0 TDI) there may be disc brakes with an integrated handbrake mechanism. If you hear a squeak, notice a decrease in the thickness of the friction layer to 2–3 mm or the wear indicator on the dashboard lights up - it’s time to act.

In this article you will find step-by-step instructions with photos, a list of necessary tools, as well as unique tips for working with the electronic handbrake (EPB), which is installed on Octavia A7 since 2015. We will look at the features of replacement on different types of rear brakes (disc/drum), tell you how to avoid mistakes during reassembly and when unit firmware is required ABS after the intervention. If you have never worked with the brake system, don’t worry: with the right approach, even beginners can do the task.

When to change rear pads on Octavia A7: signs of wear

The manufacturer recommends checking the condition of the pads every 15 thousand km, but their actual service life depends on several factors:

  • πŸš— Riding style: Frequent hard braking reduces the life of the pads by 30–40%.
  • πŸ”οΈ Operating conditions: In the city (with traffic jams) or mountainous areas, wear accelerates.
  • πŸ”§ Pad quality: original TRW or ATE last longer than inexpensive analogues.
  • πŸ”„ Brake system type: on versions with DSG and electronic handbrake (EPB) the pads may wear unevenly.

The main symptoms that it is time to change the rear pads:

  • πŸ”Š Creaking or whistling when braking (even at low speeds).
  • πŸ“ Thickness reduction friction layer up to 2–3 mm (norm - from 8 mm).
  • 🚨 Indicator on the dashboard (on models with wear sensors).
  • πŸ”„ Car withdrawal to the side when braking (may indicate uneven wear).
  • πŸ’¨ Increased dust on the rear wheels (friction material particles).
⚠️ Attention: If on Octavia A7 with EPB (electronic handbrake) after replacing the pads, the automatic piston supply did not work - required forced activation via a diagnostic scanner (for example, VCDS or OBDeleven). Ignoring this step will result in incomplete pad adhesion and reduced braking performance.
πŸ“Š What type of rear brakes does your Octavia A7 have?
  • Disc with mechanical handbrake
  • Disc with electronic handbrake (EPB)
  • Drums
  • I don't know

Which pads to choose: original vs analogues

For Ε KODA Octavia A7 (including RS and versions with 4x4) original rear pads are supplied TRW (article 5Q0698151 for disc brakes). However, their price often exceeds 3–4 thousand rubles per set, so many people choose analogues. Below is a comparison table of popular options:

Brand Article Brake type Price (set), rubles Features
TRW (original) 5Q0698151 Disk (with EPB) 3 500–4 200 Soft friction material, minimal dust
ATE 13.0460-7207.2 Disk 2 800–3 300 Moderate disc wear, suitable for aggressive driving
Brembo P85080 Disk (with EPB) 3 000–3 600 High temperature resistance, but increased dustiness
Ferodo FDB1836 Disc/drum 2 200–2 700 Budget option, average resource
Bosch 0986494792 Disk 2 500–3 000 Low noise level, but wear quickly due to frequent braking

When choosing pads, pay attention to:

  • πŸ” EPB Compatibility: on versions with electronic handbrake (2015+) need pads with integrated wear sensor (if it was there initially).
  • πŸ“ Friction layer thickness: optimal - 10–12 mm for new pads.
  • πŸ”§ Availability of maintenance kit: some manufacturers (for example, ATE) supplied with a set of lubricant for the guides.
⚠️ Attention: On Octavia A7 with motors 1.6 TDI (until 2015) sometimes found drum brakes behind. Pads are suitable for them TRW GDB1546 or Ferodo FDB1546. Check your brake type before purchase β€” drum pads will not fit on disc pads!

Tools and preparation for replacement

To replace the rear pads yourself Octavia A7 you will need:

Lift or jack with stops | Wheel wrench (17 or 19 mm) | Sockets (13, 15, 17 mm) | DOT 4 brake fluid | Guide lube (e.g. TRW PFG110>)|Flat and Phillips screwdriver|Pliers or special piston puller|Diagnostic adapter (for EPB, for example, OBDeleven)|Gloves and rags-->

Additionally prepare:

  • 🧴 Brake cleaner (for example, LIQUI MOLY Bremsen-Reiniger) to remove dirt from the caliper.
  • πŸ”§ Torque wrench (optional) for precise tightening of caliper bolts (torque - 30 Nm).
  • πŸ“± Smartphone with camera - take a photo of the location of the springs and brackets before disassemblyso as not to be confused during assembly.

Before starting work:

  1. Park your car on flat surface and secure the front wheels with chocks.
  2. Loosen the rear wheel bolts, but do not remove them completely.
  3. If on your Octavia A7 electronic handbrake (EPB) β€” turn it off via menu MAXIDOT or diagnostic scanner. You won't be able to release the pads manually!
  4. Raise the rear of the car with a jack and install jack stands. Never work under a machine that is only supported by a jack!
πŸ’‘

If you don't have a scanner for EPB, you can temporarily activate emergency mode: Turn off the ignition, press and hold the handbrake button, then turn on the ignition. After 10 seconds, a click will be heard - the handbrake will unlock. But after replacing the pads, you will still need a scanner for reverse activation!

Step-by-step instructions: replacing rear pads

The replacement process differs depending on the type of brake. Below are universal instructions for disc brakes (the most common option on Octavia A7).

Step 1: Removing the Wheel and Caliper

Remove the wheel and clean the caliper of dirt. Unscrew the two bolts securing the caliper to the bracket (usually 13 mm head). Carefully hang the caliper on a wire or rope - do not allow sagging on the brake hose!

What to do if the caliper bolts won't come off?

If the bolts are stuck, use a penetrating lubricant (such as WD-40) and let it run for 10–15 minutes. Do not use excessive force - stripped threads will require replacement of the caliper bracket (part number 5Q0615125 for Octavia A7).

Step 2: Replacing the pads

Remove the old pads from the bracket. Please note:

  • πŸ”Š Spring clamps β€” they need to be moved to new pads.
  • πŸ“ Wear indicator (if any) - carefully disconnect the connector and transfer it to a new block.
  • 🧴 Guides - clean them and apply new lubricant.

Install new pads in reverse order. Important: on some versions Octavia A7 (for example, with a motor 2.0 TDI) inner and outer pads different in shape - don't confuse them!

Step 3: Recessing the caliper piston

This is the most critical stage. On Octavia A7 with mechanical handbrake The piston is retracted manually:

  1. Use special puller or pliers to rotate the piston clockwise (look from the caliper side).
  2. At the same time, press the piston so that it sinks into the cylinder.

On versions with EPB the piston is recessed only via diagnostic scanner (for example, VCDS). Trying to do this manually will damage the mechanism. In the program, select:

03 – Brake system β†’ 04 – Basic settings β†’ Group 001 β†’ Press piston
⚠️ Attention: If after replacing the pads with Octavia A7 with EPB the indicator came on "Brake system error" β€” adaptations need to be reset via the scanner. Ignoring it will lead to spontaneous operation of the handbrake!

Step 4: Assembly and Testing

Reinstall the caliper and tighten the bolts to torque. 30 Nm. Put on the wheel, lower the car and press the brake pedal several timesso that the pads fall into place. Then check:

  • πŸ”§ Brake fluid leaks (if the piston sinking went wrong).
  • πŸš— Brake pedal travel - it should be elastic, without failures.
  • πŸ”Š Extraneous sounds when braking (creaking may indicate incorrect installation).
πŸ’‘

After replacing the pads with Octavia A7 with EPB be sure to follow handbrake calibration through a scanner. This will prevent it from spontaneously operating and uneven wear of the new pads.

Features of replacement on versions with drum brakes

On Octavia A7 first years of production (until 2015) with engines 1.6 MPI or 1.6 TDI they can stand behind drum brakes. Replacing them has its own nuances:

  1. Remove the drum by unscrewing the guide pins (it may be necessary to puller, if the drum is stuck).
  2. Clean the mechanism from old grease and dust. Please note spacer bar and springs - they are easy to lose!
  3. Install new pads starting with bottom spring, then the top one. Use pliers for tension.
  4. Adjust the gap between the pads and the drum using eccentric mechanism (it is located on the brake shield).

After assembly, check the operation of the handbrake: it should fix the car on a slope 20–25% (3-4 clicks of the lever). If the handbrake does not hold, additional adjustment is required.

Common mistakes and how to avoid them

Even experienced car owners make mistakes when replacing rear pads with Octavia A7. Here are the most common:

Error Consequences How to avoid
Incorrect piston recess on EPB Damage to the handbrake mechanism, error 03286 (drive fault) Use the scanner only, do not attempt to rotate the piston by hand.
The inner and outer pads are mixed up Uneven wear, creaking, car pulls when braking Take a photo of the location of the old pads before removing them
Lack of lubrication on the guides Caliper jamming, uneven pad wear Use specialized lubricant (for example, TRW PFG110)
EPB adaptations not reset after replacement Spontaneous operation of the handbrake, error 01314 Perform calibration via VCDS/OBDeleven
Using incompatible pads (without wear sensor) False operation of the indicator on the device, error 00587 Check the article number of the pads according to VIN car

Another typical problem is new pads squeak. It may occur due to:

  • 🧴 Lack of anti-squeak paste on the back side of the pads (applied in a thin layer).
  • πŸ”§ Poor quality edge processing (especially with cheap analogues).
  • πŸš— Uneven fit due to a non-recessed piston.
πŸ’‘

If the squeaking does not go away after 200–300 km, check condition of brake discs. On Octavia A7 with a mileage of more than 100 thousand km, wheels often have collar along the edge that catches the new pads. In this case, it will be necessary to resurface or replace the discs (the minimum thickness for Octavia A7 β€” 10 mm).

FAQ: answers to frequently asked questions

Is it possible to replace only the rear pads without touching the front ones?

Yes, the rear and front pads are changed independently of each other. However, if you notice uneven wear (for example, the front pads have worn down to metal, but the rear ones are still fine), it’s worth checking operation of the brake system as a whole β€” the brake force regulator or caliper may be faulty.

Do I need to bleed the brakes after replacing the rear pads?

Typically, bleeding is not necessary unless you have disconnected the brake hoses and drained the fluid. However, if after replacement the brake pedal becomes β€œsoft”, check the fluid level in the reservoir and add if necessary DOT 4. If air does get into the system (for example, when replacing a caliper), bleeding is required.

How often do you need to change brake fluid on an Octavia A7?

The manufacturer recommends replacement every 2 years or 30 thousand km, regardless of the condition of the pads. Brake fluid is hygroscopic (absorbs moisture), which lowers its boiling point and can lead to brake failure under heavy use. For Octavia A7 suitable liquid DOT 4 (original article number - VW G 005 000 M2).

What should I do if the parking brake light comes on after replacing the pads?

On versions with EPB this indicates one of the problems:

  1. Adaptations are not reset after replacement (scanner required).
  2. The pad wear sensor is damaged (check the connector).
  3. The control unit is faulty EPB (error 03286 or 01314).

First try resetting the error through the scanner. If the light comes on again, check the wear sensor circuit.

Is it possible to drive if the rear pads squeak?

Short-term (1-2 days) - yes, but the creaking cannot be ignored. It may indicate:

  • Critical wear of the pads (to metal).
  • Sand or dirt getting between the pad and disc.
  • Incorrect installation of the pads (for example, without anti-squeak paste).

If the creaking is accompanied vibration or decreased braking efficiency - Contact service immediately.