in your garage to make future searches easy.

Condition Value
expand_moreFront axle brake disc diameter
PR code 1ZA 1.02 ft
PR code 1ZD 1.02 ft
PR code 1ZE 11.34 in
PR code 1ZP 11.34 in
Front axle brake disc thickness 0.98 in
Front axle brake disc minimal thickness 0.87 in
expand_moreFront axle brake lining thickness
With backing plate 0.39 in
expand_moreFront axle brake lining minimal thickness
With backing plate 0.39 in
expand_moreRear axle brake disc diameter
PR code 1KE 10.71 in
PR code 1KU 11.1 in
PR code 1KY 1.02 ft
expand_moreRear axle brake disc thickness
PR code 1KE 0.39 in
PR code 1KU 0.47 in
PR code 1KY 0.87 in
expand_moreRear axle minimal brake disc thickness
PR code 1KE 0.31 in
PR code 1KU 0.39 in
PR code 1KY 0.79 in
expand_moreRear axle minimal brake lining thickness
With backing plate 0.35 in

Brake system is the most important system in your 2021 A3. Check pads and disks from time to time and replace them as they worn below minimum thickness allowed by Audi.

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2021 Audi A3 user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.

Before doing any DIY service please check your insurance policy and Audi warranty policy for your region. In some regions DIY service may invalidate your warranty.

Conquer your fears and never give up!

DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow Audi A3 service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.

Doing basic service for your 2021 Audi A3 you're not only saving money, but also also improving your technical skills and learning something new.

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