1997 Audi A6 C4 Brake System Specifications

in your garage to make future searches easy.

Condition Value
Front axle brake disc diameter 11.34 in
expand_moreFront axle brake disc thickness
Audi gasoline V6 2.6 L ACZ 137 HP 0.98 in
Audi diesel straight-5 2.5 L AEL 138 HP at 4000 RPM, 290 N⋅m at 1900 RPM 0.98 in
Audi gasoline V6 2.6 L ABC 148 HP, 225 N⋅m 0.98 in
Audi gasoline V6 2.8 L AFC 172 HP 0.98 in
Audi gasoline V6 2.8 L AEJ 172 HP 0.98 in
Audi gasoline V6 2.8 L AAH 172 HP, 245 N⋅m 0.98 in
Audi gasoline V6 2.8 L ACK 190 HP at 3200 RPM, 280 N⋅m at 3200 RPM 0.98 in
expand_moreAll other modifications
Internally ventilated brake discs 0.98 in
Otherwise 0.59 in
expand_moreFront axle brake disc minimal thickness
Audi gasoline V6 2.6 L ACZ 137 HP 0.91 in
Audi diesel straight-5 2.5 L AEL 138 HP at 4000 RPM, 290 N⋅m at 1900 RPM 0.91 in
Audi gasoline V6 2.6 L ABC 148 HP, 225 N⋅m 0.91 in
Audi gasoline V6 2.8 L AEJ 172 HP 0.91 in
Audi gasoline V6 2.8 L AFC 172 HP 0.91 in
Audi gasoline V6 2.8 L AAH 172 HP, 245 N⋅m 0.91 in
Audi gasoline V6 2.8 L ACK 190 HP at 3200 RPM, 280 N⋅m at 3200 RPM 0.91 in
expand_moreAll other modifications
Internally ventilated brake discs 0.91 in
Otherwise 0.51 in
Front axle brake lining thickness 0.55 in
Front axle brake lining minimal thickness 0.28 in
with backing plate
Front axle brake piston diameter 2.24 in
expand_moreRear axle brake disc diameter
Internally ventilated brake discs 10.59 in
Otherwise 9.65 in
expand_moreRear axle brake disc thickness
Internally ventilated brake discs 0.79 in
Otherwise 0.39 in
expand_moreRear axle minimal brake disc thickness
Internally ventilated brake discs 0.71 in
Otherwise 0.31 in
Rear axle brake drum diameter 9.06 in
Rear axle brake drum diameter wear limit 9.09 in
expand_moreRear axle brake lining thickness
With disc brake 0.47 in
With drum brake 0.2 in
expand_moreRear axle minimal brake lining thickness
expand_moreWith disc brake
Without backing plate 0.079 in
With drum brake 0.098 in
Rear axle brake piston diameter 1.69 in
Wheel brake cylinder diameter 0.81 in

Brake system is the most important system in your 1997 A6. 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 1997 Audi A6 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.

Table of Contents

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 A6 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 1997 Audi A6 you're not only saving money, but also also improving your technical skills and learning something new.

1997 Audi A6 generations

In 1997 Audi offered 2 generations of the A6. Brake system specifications may vary in different generations. Be sure that you are looking at the rigt modification.

C5

Type 4B2

Audi A6 C4 model years

Units:
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