Hi all,

Well, one more for the road? After the front brake pads, here are the rear ones...

:warning: DISCLAIMER: Do not attempt this operation if you do not feel capable. This deals with the brakes!

It is necessary to access several vehicle control units using VCDS (diagnostic tool to perform the work correctly)!

This is only a the story of my own experience on this subject. I do not require or encourage anyone to do the same.

I accept no responsibility in case of problems.

I do not guarantee the absence of typos or errors! :warning:

Here is a new tutorial to replace rear brake pads on a Kodiaq Mk1. To begin, here's the system:

Only guide rods #16 need to be removed. There's no need to replace them.

Required tools:

- Flathead screwdriver to remove the covers #17

- 7mm Allen key for the guide rods #16

- Flat pliers for the spring #8

- High-temperature grease (graphite or copper / not even a pea-sized amount for each pad)

- G-clamp and wooden block (or piston retraction tool) to push the piston back

- Brake cleaner spray

- Fine sandpaper - 600 grit minimum

- VCDS diagnostic tool

Tightening torque: 35 Nm

Step 1 - Preparation:

- Turn the ignition on, engine off.

- Release the electric parking brake.

- Connect the VCDS diagnostic tool and go to 03 - ABS/Brakes > 02 - Basic settings.

- In the drop-down menu, select Start Lining change mode.

- With your foot off the brake pedal, click "Go!" and listen to the electric parking brake motors disengaging and wait for them to stop.

At this point, it will beep repeatedly 😳, because several systems are malfunctioning: ABS / ESP / Rear Traffic / ACC, etc. 😱 and you might wonder why you didn't stay home and watch TV 😄!

- Turn the ignition off.

Step 2 - Removing old brake pads and installing the new ones:

Next, as for the tutorial on front brake pads replacement, I wouldn't do better than this video which helped me a lot, even though I had already done it on my old Superb 3:

What this video doesn't explain:

- The necessary tools (see the instructions above)

- The tightening torque (same)

- The inner and outer brake pads are different (those with spring #11 are the inner pads). If any doubt, just take a look at the old pads. You'll see the pistons imprint on the inner pads anyway.

- High-temperature grease should be applied to the tabs at the top and bottom of the pads to ease sliding in calipers (once you know this, you better understand what he's doing at ~4:55 and 5:25).

- :warning: Before pushing back the first piston, and especially the second piston :warning:, it's best to check the brake fluid level in the tank to make sure it won't overflow. If necessary, remove some with a syringe to bring it close to the maximum level or just above.

- :warning: Before restarting the engine and pumping the brake pedal :warning:, you must close the brake fluid tank; otherwise, it will definitely overflow. IMHO, the video is misleading on this point.

- :warning: Before refitting the wheels :warning:, do not grease the threads of the wheel nuts (clean them with a metallic brush and blow them with an air compressor if possible). The Skoda workshop manual clearly states that grease should not be applied on the threads of wheel nuts. IMHO, here again, the video is misleading on this point.

Step 3 - Exiting Maintenance Mode:

Once the brake pads have been changed and your Kodiaq has been lowered to the ground,

- Close the brake fluid tank and turn the ignition on (engine off).

- Pump the brake pedal several times.

- Connect the VCDS diagnostic tool and go to 03 - ABS/Brakes > 02 - Basic settings.

- In the drop-down menu, select "End Lining change mode".

- With your foot removed from the brake pedal, click on "Go!" and listen to the electric parking brake completing its learning cycle for the new stroke, taking into account the additional brake pad thickness.

- With your foot on the brake, manually activate and deactivate the electric parking brake a few times using the button on the center console.

- Run a complete scan using VCDS and clear all fault codes generated by entering maintenance mode (in each control unit containing a fault code, go to "02 - Fault codes", then click on "Clear Codes").

- Check the brake fluid level and top it up if necessary.

That's it! :)

Thank you @Bap33 for comprehensive instructions.

I'm planning to change both brake discs and pads on the rear axle of my MY19 Sportline 4x4 7-seater. PR-code 1KU.

Does someone know how to accomplish necessary VCDS lining change mode on/off or similar functionalities with OBD11?

Brake system is indeed on Control unit 03. There are no text "lining change" mentioned in following menus:

Adaptation

Basic settings

Output test

Any help would be appreciated.

Cheers!

Hi,

Sorry, I've never used, nor even seen the OBD11 system. 🤷‍♂️

Thanks for your reply though.

Actually when I looked again through the OBD11's Control unit 03 (Brakes), I found the correct commands in Basic settings. Maybe I should get my vision checked 🫣.

For those of us who use OBD11 I found instructions from an OBDeleven forum thread

In case of dead link I quote the actual instruction part of a post:

Before you get started, please make sure your car battery is fully charged, if it's not; hook up a charger. The last thing you want to run into is a battery that doesn't deliver enough power to move the pistons when you are done replacing everything!

Open the hood of your car.

Plug in your OBDEleven dongle and turn the ignition ON (keep the engine OFF)

Turn your electronic parking brake (EPB) ON and then OFF (you might need to put your foot on the brake to turn it back off)

In the OBDEleven app navigate to the Control Units page and go to Brakes 03

Now click on "Basic settings"

To open the pistons to replace your brake pads click "Start lining change mode" don't change any values in this tab and just send the coding by holding the checkmark in the app.

Now the car will start making some noises, this is normal. Once the noises stop wait a few seconds and then turn the ignition off.

Now replace your brake pads and/or disks.

When you are done with replacing everything and everything is properly back together; Make sure the OBDEleven dongle is plugged into the car and the hood is open.

Now turn the ignition ON (keep the engine OFF)

Once again go to the Controls Units page and go to Brakes 03

Once again click on "Basic settings"

Now in order to close the pistons again click "End lining change mode" don't change any values in this tab and just send the coding by holding the checkmark in the app.

The car will now start making some noises again, wait a few seconds until it stops.

Now turn your electronic parking brakes ON and then OFF again (you might need to put your foot on the brake to turn it back off)

You are now done. If you start your engine all the errors in your dashboard should disappear within a few minutes. Take a test drive to see if everything works as it should.

Hi

I can confirm that the OBDEleven commands "Start lining change mode" and "End lining change mode" worked as expected. By saying that I mean that at first there was an error message and nothing happened. But after closing and reopening the application on the phone and switching the car ignition off and on it worked like a charm. I had an external charger connected during the whole process in order to maintain the battery voltage.

All brake pads and rear brake discs were changed yesterday on a MY2019 Sportline. Can you spot the difference in the images?