2015 Vauxhall Astra GTC Sixth generation (MK6) Brake System Specifications

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Condition Value
expand_moreFront axle brake disc diameter
expand_moreAll Vauxhall gasoline straight-4 1.6 L A 16 SHT engines
For 321 × 30 mm brake discs 1.05 ft
For 355 × 32 mm brake discs 1.16 ft
expand_moreAll Vauxhall gasoline straight-4 2.0 L A 20 NFT engines
For 15" brake system 10.87 in
For 16" brake system 11.81 in
For 17" brake system 1.05 ft
For 18" brake system 1.16 ft
expand_moreAll Vauxhall diesel straight-4 1.6 L B 16 DTL engines
For 276 × 26 mm brake discs 10.87 in
For 300 × 26 mm brake discs 11.81 in
For 321 × 30 mm brake discs 1.05 ft
expand_moreAll other modifications
For 15" brake system 10.87 in
For 16" brake system 11.81 in
For 17" brake system 1.05 ft
expand_moreFront axle brake disc thickness
expand_moreAll Vauxhall gasoline straight-4 1.6 L A 16 SHT engines
For 321 × 30 mm brake discs 1.18 in
For 355 × 32 mm brake discs 1.26 in
expand_moreAll Vauxhall diesel straight-4 1.6 L B 16 DTL engines
For 276 × 26 mm brake discs 1.02 in
For 300 × 26 mm brake discs 1.02 in
For 321 × 30 mm brake discs 1.18 in
expand_moreAll other modifications
For 15" brake system 1.02 in
For 16" brake system 1.02 in
For 17" brake system 1.18 in
For 18" brake system 1.26 in
expand_moreFront axle brake disc minimal thickness
expand_moreAll Vauxhall gasoline straight-4 1.6 L A 16 SHT engines
For 321 × 30 mm brake discs 1.06 in
For 355 × 32 mm brake discs 1.18 in
expand_moreAll Vauxhall diesel straight-4 1.6 L B 16 DTL engines
For 276 × 26 mm brake discs 0.91 in
For 300 × 26 mm brake discs 0.91 in
For 321 × 30 mm brake discs 1.06 in
expand_moreAll other modifications
For 15" brake system 0.91 in
For 16" brake system 0.91 in
For 17" brake system 1.06 in
For 18" brake system 1.18 in
expand_moreFront axle brake lining thickness
expand_moreAll Vauxhall gasoline straight-4 1.6 L A 16 SHT engines
expand_moreFor 321 × 30 mm brake discs
Without backing plate 0.47 in
expand_moreFor 355 × 32 mm brake discs
Without backing plate 0.37 in
expand_moreAll Vauxhall diesel straight-4 1.6 L B 16 DTL engines
Without backing plate 0.47 in
expand_moreAll other modifications
expand_moreFor 15" brake system
Without backing plate 0.47 in
expand_moreFor 16" brake system
Without backing plate 0.47 in
expand_moreFor 17" brake system
Without backing plate 0.47 in
expand_moreFor 18" brake system
Without backing plate 0.37 in
expand_moreFront axle brake lining minimal thickness
expand_moreAll Vauxhall diesel straight-4 2.0 L A 20 DTR engines
expand_moreFor 15" brake system
Without backing plate 0.079 in
expand_moreFor 16" brake system
Without backing plate 0.079 in
expand_moreFor 17" brake system
Without backing plate 0.079 in
expand_moreFor 18" brake system
Without backing plate 0.12 in
expand_moreAll other modifications
Without backing plate 0.079 in
Front axle brake piston diameter 2.36 in
Maximum lateral run-out of front axle brake disc 0.0039 in
Maximum lateral run-out of rear axle brake disc 0.0039 in
expand_moreParking brake minimal lining thickness
Without backing plate 0.079 in
expand_moreRear axle brake disc diameter
expand_moreAll Vauxhall gasoline straight-4 1.6 L A 16 SHT engines
For 292 × 12 mm brake discs 11.5 in
For 314 × 22 mm brake discs 1.03 ft
expand_moreAll Vauxhall diesel straight-4 1.6 L B 16 DTL engines
For 268 × 12 mm brake discs 10.55 in
For 292 × 12 mm brake discs 11.5 in
expand_moreAll other modifications
For 15" brake system 10.55 in
For 16" brake system 11.5 in
For 17" brake system 1.03 ft
expand_moreRear axle brake disc thickness
expand_moreAll Vauxhall gasoline straight-4 1.6 L A 16 SHT engines
For 292 × 12 mm brake discs 0.47 in
For 314 × 23 mm brake discs 0.91 in
expand_moreAll Vauxhall diesel straight-4 1.6 L B 16 DTL engines
For 268 × 12 mm brake discs 0.47 in
For 292 × 12 mm brake discs 0.47 in
expand_moreAll other modifications
For 15" brake system 0.47 in
For 16" brake system 0.47 in
For 17" brake system 0.91 in
expand_moreRear axle minimal brake disc thickness
expand_moreAll Vauxhall gasoline straight-4 1.6 L A 16 SHT engines
For 292 × 12 mm brake discs 0.39 in
For 314 × 23 mm brake discs 0.79 in
expand_moreAll Vauxhall diesel straight-4 1.6 L B 16 DTL engines
For 268 × 12 mm brake discs 0.39 in
For 292 × 12 mm brake discs 0.39 in
expand_moreAll other modifications
For 15" brake system 0.39 in
For 16" brake system 0.39 in
For 17" brake system 0.79 in
Rear axle brake lining thickness 0.4 in
expand_moreRear axle minimal brake lining thickness
expand_moreAll Vauxhall gasoline straight-4 1.6 L A 16 SHT engines
expand_moreFor 321 × 30 mm brake discs
Without backing plate 0.079 in
expand_moreFor 355 × 32 mm brake discs
Without backing plate 0.12 in
expand_moreAll Vauxhall diesel straight-4 1.6 L B 16 DTL engines
Without backing plate 0.079 in
expand_moreAll other modifications
expand_moreFor 15" brake system
Without backing plate 0.079 in
expand_moreFor 16" brake system
Without backing plate 0.079 in
expand_moreFor 17" brake system
Without backing plate 0.079 in
expand_moreFor 18" brake system
Without backing plate 0.12 in
expand_moreRear axle brake piston diameter
All Vauxhall gasoline straight-4 1.6 L A 16 SHT engines 1.57 in
expand_moreAll Vauxhall diesel straight-4 1.6 L B 16 DTL engines
For 268 × 12 mm brake discs 1.5 in
For 292 × 12 mm brake discs 1.57 in
All Vauxhall gasoline straight-4 1.6 L B 16 SHT engines 1.57 in
expand_moreAll other modifications
For 15" brake system 1.5 in
For 16" brake system 1.57 in
For 17" brake system 1.57 in

Brake system is the most important system in your 2015 Astra GTC. Check pads and disks from time to time and replace them as they worn below minimum thickness allowed by Vauxhall.

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2015 Vauxhall Astra GTC 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 Vauxhall 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 Vauxhall Astra GTC 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 2015 Vauxhall Astra GTC you're not only saving money, but also also improving your technical skills and learning something new.

Vauxhall Astra GTC Sixth generation (MK6) model years

Units:
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