2021 Audi A5 First generation facelift Brake System Specifications

in your garage to make future searches easy.

Condition Value
expand_moreFront axle brake disc diameter
PR code 1LA 1.05 ft
PR code 1LJ 1.13 ft
PR code 1LT 1.03 ft
expand_moreFront axle brake disc thickness
PR code 1LA 1.18 in
PR code 1LJ 1.18 in
PR code 1LT 0.98 in
expand_moreFront axle brake disc minimal thickness
PR code 1LA 1.1 in
PR code 1LJ 1.1 in
PR code 1LT 0.91 in
expand_moreFront axle brake lining thickness
expand_moreAll Audi gasoline straight-4 2.0 L CNCD engines
expand_moreWith backplate and intermediate plate
PR code 1LA 0.8 in
PR code 1LJ 0.8 in
PR code 1LT 0.8 in
expand_moreAll other modifications
expand_moreWith backing plate
PR code 1LA 0.74 in
PR code 1LJ 0.74 in
PR code 1LT 0.8 in
expand_moreFront axle brake lining minimal thickness
expand_moreAll Audi diesel straight-4 2.0 L CAHB engines
With backing plate 0.28 in
expand_moreAll Audi diesel straight-4 2.0 L CGLC engines
With backing plate 0.39 in
expand_moreAll Audi gasoline straight-4 2.0 L CNCD engines
expand_moreWith backplate and intermediate plate
PR code 1LA 0.39 in
PR code 1LJ 0.39 in
PR code 1LT 0.39 in
expand_moreAll Audi diesel straight-4 2.0 L CNHA engines
With backing plate 0.39 in
expand_moreAll other modifications
With backing plate 0.28 in
expand_moreFront axle brake piston diameter
expand_moreAll Audi gasoline straight-4 2.0 L CNCD engines
PR code 1LT 2.24 in
All other modifications 2.24 in
expand_moreRear axle brake disc diameter
PR code 1KE 1.08 ft
PR code 1KW 11.81 in
expand_moreRear axle brake disc thickness
PR code 1KE 0.87 in
PR code 1KW 0.47 in
expand_moreRear axle minimal brake disc thickness
PR code 1KE 0.79 in
PR code 1KW 0.39 in
expand_moreRear axle brake lining thickness
With backing plate 0.69 in
expand_moreRear axle minimal brake lining thickness
With backing plate 0.28 in
Rear axle brake piston diameter 1.69 in

Brake system is the most important system in your 2021 A5. 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 A5 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.

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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 A5 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 A5 you're not only saving money, but also also improving your technical skills and learning something new.

Audi A5 First generation facelift model years

Units:
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