Bremsentuning? | Posts 112+

Hello,
I'm surprised by the degree of rust on my rear brake discs, which were installed in May 2008, meaning they've been in use for 30,000 km.
At the time, ATE Powerdics were installed at the front, along with ATE rotors including brake pads. The old windshields, which were original equipment, were all undersized, but all of them (front and rear) were completely clear, and, except for the obligatory outer edge/ring on the rear windshield, they were rust-free.
The "new" rotors on the rear axle are also, in the area where the brake pads make contact, partially slightly rusty and definitely not perfectly verschandeln after braking, even when the vehicle has only been driven and parked in dry conditions for days/weeks.
Since the driving conditions and load remained the same, I thought the issue might be related to the rear brakes. According to the workshop, the attached report shows top-notch values, indicating that there is no technical defect.
So far, so good, the vacation trip can go ahead.
I understand that the rear brake discs contribute little to the overall braking performance when the 3BG variant is not being used. However, I don't understand the "appearance" of the rear brake discs compared to the pristine condition of the front brake discs after they were replaced. Is it just visually disturbing, and do I have to accept it? Can the control of the HA (Heckachse, rear axle) brakes be checked or influenced using VCDS?
I am unable to translate "haithamina" because it does not appear to be a word or phrase in the German language. It may be a misspelling, a proper noun, or a term from a specialized field. If you can provide more context or clarify the intended meaning, I would be happy to assist you with the translation.

You can only adjust your braking behavior there. Before parking in the garage, apply the handbrake for about 10 meters, but then brake harder. This will keep the brake pads clean.
Many people use this to save fuel.

Hmm, that could certainly help, but:

haithamina wrote:

Hello, I'm surprised by the degree of rust on my rear brake discs, which were installed in May 2008, meaning they've been in use for 30,000 km. The old windshields, which were original equipment, were all undersized (front and rear), but completely clear. The driving profile and the load have not changed...

Let's see what happens when it's fully loaded and driving across the Alps. The rear brakes should have to work harder in that situation. If it cannot be brought to a halt without causing rust, then...
I am unable to translate "haithamina" because it does not appear to be a word or phrase in the German language. It may be a misspelling, a proper noun, or a term from a specialized field. If you can provide more context or clarify the intended meaning, I would be happy to assist you with the translation.

Schleicher

off topic:
@ Rainer
Definitely, see above. Anyone who uses Signatur for anything other than sneaking around is an alien.

Recently, I was a passenger in a Cayenne with 550 horsepower at the test track in Leipzig. Although I have developed a good sense for braking points and speed through my own activities, I couldn't believe what is physically possible with such a heavy and tall vehicle. http://www.youtube.com/watch?v=VlDIucSq2V4
http://www.youtube.com/watch?v=k3geJWbcaqc
To get to the "Fred" corner: The tires were worn out after just a few laps on the 3.7 km track, thanks to constant drifting in every corner. The brakes smelled a bit strange, but they weren't rusty. It's interesting that I didn't see any Cayenne models with holes or similar markings in their brake discs, whereas I definitely saw them on the flat-bottomed models (911s, etc.).
I am unable to translate "haithamina" because it does not appear to be a word or phrase in the German language. It may be a misspelling, a proper noun, or a term from a specialized field. If you can provide more context or clarify the intended meaning, I would be happy to assist you with the translation.

I have just added an S1 kit for the AVB (155 hp) to my product range.

With that, you can get the brakes to start working.

It's possible that, when riding in flat terrain, you might actually need less braking power. I never experienced that problem because I've never lived in a flat, low-lying area.

Best regards, Rainer.

I also have the braking problem... but I'm not in a flat area. I tend to drive the Golf more defensively, and mostly just use it to commute to work.

You just have to use it from time to time... it can be cleaned with a filter cleaning process relatively quickly in modern vehicles... first, accelerate wildly, then brake as hard as possible .

Or develop a brake control unit that keeps the rotors rust-free...like the Mercedes SBC brake from the old E-Class, which was supposed to be so great (drum brakes...), but they don't make them anymore .

matthiasTDI96 wrote:

So, a Mercedes SBC brake system from the older E-Class, which was supposed to be so great (drum brakes...), but which they don't make anymore

.
Sure, they still exist, actually almost only in the smaller models. They've just been further developed by Bosch. It now works quite well in the new models as well.
Personally, I still don't think it's a good idea.

Okay, let me help you with this... The SBC braking system from the W211 (also found in the CLS, SL, and in a different form in the Maybach) is no longer used in the current E-Class. Instead, it features a conventional braking system with some nice additions, such as the "Auto-Hold" function (which is actually quite common). Did the SBC DI model, after being the subject of the largest recall in history, cease production in large quantities?

matthiasTDI96 wrote:

Now, please help me with this... The SBC brake system from the W211 (also found in the CLS and SL, and in a different form in the Maybach) is no longer used in the current E-Class. Instead, it has a conventional braking system with some features, such as the auto-hold function (which is actually quite common). The SBC DI itself, after the largest recall campaign in history, was discontinued from mass production, right?

I haven't seen the brand new E-Class yet. Definitely includes: S-Class (W221) model 2008, SL (R230) model 2009.

Regarding the W211: One of my customers has an S211 (the wagon version of the W211), with SBC (Sensors Brake Control) and has driven over 200,000 km without any issues.

Install the EBC Green Stuff pads on the rear, and I assume the rear rotors will also be clean .

matthiasTDI96 wrote:

Now, please help me with this... The SBC brake system from the W211 (also found in the CLS and SL, and in a different form in the Maybach) is no longer used in the current E-Class. Instead, it has a conventional braking system with some features, such as the auto-hold function (which is actually quite common). The SBC DI itself, after the largest recall campaign in history, was discontinued from mass production, right?

The SBC (Steering and Braking Control) was even removed from the MOPF (Modellpflege) version of the W211 series.
For the first time, in this case with a Mercedes-Benz undergoing a major overhaul, the body had to be changed.

Okay.
We drove fully loaded to Liguria and often had to brake on the San Bernardino pass and the following hills. While the rear ATE brake discs are slightly less rusty, they still don't look like the previously installed OEM discs, which were completely verschandeln and shiny all the way to the outer edge. Hmm, so it seems things won't actually get better, even when fully loaded or driving uphill!
Could this be related to the ATE Powerdisc brake rotors that were recently installed on the front? If they actually provide better braking performance than the original equipment (OEM) rotors on the rear, then the rear brakes should also be working harder (during straight-line driving and braking). Additionally, the rear rotor on the left side isn't perfectly flat. This is noticeable when the windows are open and driving past stone walls, as the brake pad scraping is uneven. Overall, I'm not convinced about the rear ATE rotors. The front ones, on the other hand, are excellent. The grooved brake pads offer better stopping power in wet conditions, but they can produce more noise during longer braking periods (e.g., when exiting a highway) and at higher brake disc temperatures.
I am unable to translate "haithamina" because it does not appear to be a word or phrase in the German language. It may be a misspelling, a proper noun, or a term from a specialized field. If you can provide more context or clarify the intended meaning, I would be happy to assist you with the translation.

According to my experience, brutal braking and erratic driving do not compensate for a bad brake.

The floating pins on Passi brakes often get stuck due to corrosion (is that what they're called?).
"So, those are the bolts that you hold with the 14mm wrench while you unscrew the 13mm screws from the saddle." These are protected by a cuff and should automatically return to their original position.
Do the rear brake calipers on the Passat tend to seize up like those on the A3?
I had to verschandeln mine every year to ensure they worked properly.

Tagessuppe wrote:

In my experience, brutal braking and erratic driving will not compensate for a bad brake. The floating pins on Passi brakes often get stuck due to corrosion (is that what they're called?). So, those bolts

that you hold with the 14mm wrench when you unscrew the 13mm screws from the saddle.

Hi Tagessuppe,
Sudden braking? Erratic driving? That's usually something young drivers do, right? I'm limited to riding on two wheels. Crossing the Alps with a full load should, even under normal use, lead to significant front brake usage (unlike an empty front-wheel-drive vehicle), and I had hoped to have verschandeln brake pads again.

I'll take a look at the rear brakes/pads, etc. when I switch to winter tires and see if everything is working properly. But the issue isn't stuck brake pads that are constantly rubbing or seizing after the handbrake is used. It's more the opposite: the rear brakes don't seem to be gripping enough, and the rotor is corroding around the edges, but also on the area that is typically rust-free. It's also strange that the original rear brake rotors were so wonderfully rust-free. And now, a completely different picture, despite using ATE brand parts. However, according to the brake test report, there is a visual "issue," which is minor.
I am unable to translate "haithamina" because it does not appear to be a word or phrase in the German language. It may be a misspelling, a proper noun, or a term from a specialized field. If you can provide more context or clarify the intended meaning, I would be happy to assist you with the translation.

I'll say it again: try using Greenstuff only on the back.