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Brake pedal adjustment

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Old Jan 14, 2010 | 04:54 PM
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Default Brake pedal adjustment

I have 06 A6 - base model. I noticed that the brake pedal became softer and required more pressure to stop the car. I have changed brake fluid and brake pads but I do not noticed any improvement.

Do you guys know there is a possibility to adjust the brake pedal, maybe to shorten the movement and the moment it starts to brake?

Or maybe it's just feeling. I recently bought new mini cooper s in which brake pedal is very responsive.

Many thanks
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Old Jan 15, 2010 | 10:38 AM
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Other than a brake fluid flush and removing any air in the system, your only other choice is to check the wear on the pads and rotors for possible change out and calipers for some binding/resistance (not likely). The brakes/press self adjust in reverse. So what you are experiencing may be just normal wear resulting in more pedal pressure.
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Old Jan 15, 2010 | 10:44 AM
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I'd put a set of SS brake lines on it, sounds like the stock brake hoses are starting to soften/expand
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Old Jan 15, 2010 | 02:01 PM
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how about the master cylinder?
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Old Jan 15, 2010 | 02:05 PM
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Are you losing any fluid (are your fluid levels in you master cylinder consistent)?

San
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Old Jan 15, 2010 | 02:52 PM
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Originally Posted by Bandit1
Other than a brake fluid flush and removing any air in the system, your only other choice is to check the wear on the pads and rotors for possible change out and calipers for some binding/resistance (not likely). The brakes/press self adjust in reverse. So what you are experiencing may be just normal wear resulting in more pedal pressure.
C6 has 4 wheel disc brakes. They do NOT self adjust in reverse. That is how more modern drum brakes adjust.
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Old Jan 15, 2010 | 02:53 PM
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Originally Posted by CMY SIX
I'd put a set of SS brake lines on it, sounds like the stock brake hoses are starting to soften/expand
IF this were true I think a hose rupture would be imminent (think aneurysm here). Very unlikely.
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Old Jan 17, 2010 | 12:03 PM
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Originally Posted by mksz51
IF this were true I think a hose rupture would be imminent (think aneurysm here). Very unlikely.
no, but the rubber hose does expand with heat,age, use, this is a FACT, thats why they came up with SS lines which are really a teflon tube protected with SS braid, it does not expand
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Old Jan 17, 2010 | 01:38 PM
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Sounds like air in the system.
Not mentioned is softness occurs after heavy stopping...then that is fade and a better brake fluid may help.
A Tech II is need to open the ABS circuitry for a complete bleed.
Although doing a few ABS stops before a bleed w/o a Tech can be a worth while move.
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Old Jan 17, 2010 | 01:41 PM
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Originally Posted by Kenny94945
A Tech II is need to open the ABS circuitry for a complete bleed.
Although doing a few ABS stops before a bleed w/o a Tech can be a worth while move.
I believe that is known as a "redneck bleed".

San
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Old Jan 19, 2010 | 11:31 AM
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Originally Posted by mksz51
C6 has 4 wheel disc brakes. They do NOT self adjust in reverse. That is how more modern drum brakes adjust.
Originally Posted by mksz51
IF this were true I think a hose rupture would be imminent (think aneurysm here). Very unlikely.
Interesting critiques of other members' posts. Now, do you have any viable suggestions or 'troubleshooting' tips for the OP?
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