My2014 A4 Brakes
10-26-2016, 03:05 PM
#1
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My2014 A4 Brakes
Not sure everyone has picked up this so I figured I'd post it.
Audi changed in front and rear friction to a NAO type material for North America for MY2014. They did this to curb complaints about the prior(euro spec) LowMet friction for brake dust.
I personally have been extremely disappointed with the brake performance on my MY2014 A4 Sport since I began my lease from new. Dealer and ANA only find excuses or accusations. I have about 29k miles on my A4.
The fundamental problem is that the material they chose are has lead to:
a. Low brake output. Sufficient for parking lot driving but inadequate for performance driving or two highway speed stops.
b. pedal feel is flat and with no gain. I have better pedal feel in my 10+ year old Land Cruiser.
c. low dust is good, but the friction material is not sufficiently abrasive to remove rotor rust on 2mm rotor OD edge.
d. low dust is good, but the friction material suffers from hot judder. ( that is brake pedal pulsation when the rotor temperature is hot; example second stop from 70mph in one mile.)
e. Finally the one that worries me the most is that they changed the thermal balance of the brake corner. I have rotor micro cracking to show for it.
Well just passing on these facts.
Audi changed in front and rear friction to a NAO type material for North America for MY2014. They did this to curb complaints about the prior(euro spec) LowMet friction for brake dust.
I personally have been extremely disappointed with the brake performance on my MY2014 A4 Sport since I began my lease from new. Dealer and ANA only find excuses or accusations. I have about 29k miles on my A4.
The fundamental problem is that the material they chose are has lead to:
a. Low brake output. Sufficient for parking lot driving but inadequate for performance driving or two highway speed stops.
b. pedal feel is flat and with no gain. I have better pedal feel in my 10+ year old Land Cruiser.
c. low dust is good, but the friction material is not sufficiently abrasive to remove rotor rust on 2mm rotor OD edge.
d. low dust is good, but the friction material suffers from hot judder. ( that is brake pedal pulsation when the rotor temperature is hot; example second stop from 70mph in one mile.)
e. Finally the one that worries me the most is that they changed the thermal balance of the brake corner. I have rotor micro cracking to show for it.
Well just passing on these facts.
10-26-2016, 03:18 PM
#2
AudiWorld Super User
They switched to ceramic pads around Dec 2010 in the 4 cyl A4 cars sent to the USA. I don't like them apart from the fact they are extremely clean and they are easy on the rotors. I've since installed different pads in the front of my '11 car so it brakes as one would expect a car to.
More Audis receive these ceramic pads now. They're fitted to our '15 Q5. Pedal pressure to stop that car is bordering absurd.
More Audis receive these ceramic pads now. They're fitted to our '15 Q5. Pedal pressure to stop that car is bordering absurd.
10-27-2016, 04:15 PM
#3
No noise/dust with EBC Red Stuff pads after 5,000 miles. Big improvement from the "squeal"
https://www.audiworld.com/forums/a4-...rakes-2903700/
https://www.audiworld.com/forums/a4-...rakes-2903700/
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