How to replace rear brake discs on Audi A3 8P1
Transcript of How to replace rear brake discs on Audi A3 8P1
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How to replace rear brake discs onAudi A3 8P1
VIDEO TUTORIAL
This replacement procedure can be used for:AUDI A3 (8P1) 1.2 TSI, AUDI A3 Convertible (8P7) 1.2 TFSI, AUDI A3 Sportback(8PA) 1.2 TSI
The steps may slightly vary depending on the car design.
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Important!
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REQUIRED TOOLS:
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Wire brush
Nylon cleaning brush
WD-40 spray
Brake cleaner
Copper grease
Combination spanner #13
Combination spanner #15
XZN socket bit # 14
Torx bit T30
Drive socket # 13
Wheel impact socket #17
Ratchet wrench
Torque wrench
Brake caliper wind back tool
Tap wrench
Crow bar
Wheel chock
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AUTODOC recommends:
CARRY OUT REPLACEMENT IN THE FOLLOWING ORDER:
1
Open the bonnet. Unscrew the brake fluid reservoir cap.
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Replace the brake disks on the car Audi A3 8P1 in complete set foreach axis. Regardless of the state of components. This will ensureeven braking.
The replacement procedure is identical for both brake disks on thesame axle.
When changing the brake discs, always replace the brake pads.
All work should be done with the engine stopped.
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2
Secure the wheels with chocks.
3
Loosen the wheel mounting bolts. Use wheel impact socket #17.
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4
Raise the rear of the car and secure on supports.
5
Unscrew the wheel bolts.
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To avoid injury, hold up the wheel when unscrewing the bolts.
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6
Remove the wheel.
7
Clean the brake caliper fasteners. Use a wire brush. Use WD-40 spray.
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8
Unscrew the brake caliper fastening. Use a combination spanner #13. Use a combination
spanner #15.
9
Spread the brake pads. Use a crowbar.
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10
Remove the brake caliper. Use a crowbar.
AUTODOC recommends:
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Tie the caliper to the suspension or to the body with a wire withoutdisconnecting from the brake hose to prevent depressurization ofthe brake system.
Make sure that the brake caliper is not hanging on the brake hose.
Don't press the brake pedal after the brake caliper has beenremoved. As a result, the piston can fall out from the brake cylinder,and brake fluid leakage and depressurization of the system mayoccur.
Check the brake caliper bracket, brake caliper guide pins and boots.Clean them. Replace, if necessary.
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11
Remove the brake pads.
12
Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray.
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13
Unscrew the caliper bracket fastening. Use XZN #14. Use a tap wrench. Use a ratchet wrench.
14
Remove the caliper bracket
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15
Clean the brake disc fasteners. Use a wire brush. Use WD-40 spray.
16
Unscrew the brake disc fastening Use Torx T30. Use a ratchet wrench.
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17
Remove the brake disc.
18
Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
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19
Install the brake disc.
20
Tighten the brake disc fastening. Use Torx T30. Use a torque wrench. Tighten it to 9 Nm
torque.
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21
Clean the brake caliper bracket from dirt and dust. Use a wire brush. Use a brake cleaner.
AUTODOC recommends:
22
Install the brake caliper bracket
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After applying the spray, wait a few minutes.
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23
Tighten the brake caliper bracket Use XZN #14. Use a torque wrench. Tighten it to 70 Nm
torque.
24
Treat the brake caliper piston. Use a nylon cleaning brush. Use a brake cleaner.
AUTODOC recommends:
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After applying the spray, wait a few minutes.
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25
Press in the brake caliper piston. Use brake caliper wind back tool.
26
Install the brake pads.
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27
Install the brake caliper and fix it. Use a combination spanner #15. Use a drive socket #13. Use
a torque wrench. Tighten it to 35 Nm torque.
28
Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
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29
Clean the brake disk surface. Use a brake cleaner.
AUTODOC recommends:
30
Install the wheel.
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After applying the spray, wait a few minutes.
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AUTODOC recommends:
31
Screw in the wheel bolts. Use wheel impact socket #17.
32
Lower the car and working in a cross order, tighten the wheel bolts. Use wheel impact socket
#17. Use a torque wrench. Tighten it to 120 Nm torque.
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To avoid injury, hold up the wheel when screwing in the fasteningbolts.
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33
Remove the jacks and chocks.
AUTODOC recommends:
34
Tighten the brake fluid reservoir cap.
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Check the brake fluid level in the expansion tank and refill ifnecessary.
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AUTODOC recommends:
35
Close the hood.
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Without starting the engine, press the brake pedal several times untilyou feel significant resistance.
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The document contains only general recommendations that may be useful for you when you perform repair or replacement work. AutoDocshall not be liable for any loss, injury, damage of property occurring in the repair or replacement process due to incorrect use ormisinterpretation of the provided information.
AutoDoc shall not be liable for any possible mistakes and uncertainties in this guide. The information provided is for information purposesonly and cannot replace advice from specialists.
AutoDoc shall not be liable for incorrect or hazardous usage of equipment, tools and car parts. AutoDoc strongly recommends to be carefuland observe the safety rules when performing repair or replacement works. Remember: usage of low quality auto parts does not guaranteeyou the appropriate level of road safety.
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