Recommended replacement interval for the part category Brake caliper : 100000 km

Important!

This replacement procedure can be used for:
AUDI A3 Hatchback (8L1) 1.6, AUDI A3 Hatchback (8L1) 1.9 TDI, AUDI A3 Hatchback (8L1) 1.9 TDI, AUDI A3 Hatchback (8L1) 1.6, AUDI A3 Hatchback (8L1) 1.9 TDI … View more

The steps may slightly vary depending on the car design.

How to change rear brake caliper on AUDI A3 1 (8L1) [TUTORIAL AUTODOC]

All the parts you need to replace – Brake Calipers for A3 Hatchback (8L1) and other AUDI models

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Replacement: brake caliper – Audi A3 8L1. Tools you need:

                      Wire brush
                    
                      Combination spanner #13
                    
                      Combination spanner #15
                    
                      Combination spanner #18
                    
                      Drive socket # 13 
                    
                      HEX bit  No.H6
                    
                      Ratchet wrench
                    
                      Brake cleaner 
                    
                      Wheel impact socket #17
                    
                      Torque wrench
                    
                      Crow bar
                    
                      Anti-squeal paste
                    
                      Water pump pliers
                    
                      Fluid container
                    
                      Brake hose clip
                    
                      Copper grease 
                    
                      Wheel chock

Buy tools

Replacement: brake caliper – Audi A3 8L1. AUTODOC recommends:

The replacement procedure is identical for the left and right brake calipers on the same axle.
Please note: all work on the car – Audi A3 8L1 – should be done with the engine switched off.

Carry out replacement in the following order:

Step 1

Open the bonnet. Unscrew the brake fluid reservoir cap.
Step 2

Secure the wheels with chocks.
Step 3

Loosen the wheel mounting bolts. Use wheel impact socket #17.
Step 4

Raise the rear of the car and secure on supports.
Step 5

Unscrew the wheel bolts.

Replacement: brake caliper – Audi A3 8L1. Tip:
To avoid injury, hold up the wheel when unscrewing the bolts.
Step 6

Remove the wheel.
Step 7

Disconnect the ABS sensor electric socket. Disconnect the brake pad wear sensor plug. Remove the ABS sensor connector. Remove the connector of the brake pad wear sensor.

Please note!
Some cars are not equipped with the brake pad wear sensor.
Step 8

Spread the brake pads. Use a crowbar.
Step 9

Clean the area where the brake hose is connected to the caliper, and the guide pins area. Clean the brake caliper fasteners. Use a wire brush. Use a brake cleaner.

AUTODOC recommends:
Replacement: brake caliper – Audi A3 8L1. After applying the spray, wait a few minutes.
Step 10

Clamp the brake hose off using a brake hose clamp.
Step 11

Put a container for gathering brake fluid beneath.
Step 12

Unscrew the brake hose from the brake caliper. Use a combination spanner #18.
Step 13

Move the brake hose aside. Tie the brake hose to the car body with a hook or a piece of wire.
Step 14

Detach the parking brake return spring. Use water pump pliers.
Step 15

Remove the retaining clip of the parking brake cable. Use a crowbar.
Step 16

Disconnect the parking brake cable from the caliper. Use water pump pliers.
Step 17

Release the parking brake cable.

Step 18

Unscrew the brake caliper fastening. Use a combination spanner #13. Use a combination spanner #15. Use a drive socket #13. Use a ratchet wrench.
Step 19

Remove the brake caliper.
Step 20

Remove the brake pads.

Replacement: brake caliper – Audi A3 8L1. Tip:
When replacing a brake caliper it is recommended to replace brake pads, check the state of the brake discs and replace them with new ones if necessary.
Step 21

If going to use the old brake pads, clean them. Use a wire brush. Use a brake cleaner.

AUTODOC recommends:
Replacement: brake caliper – Audi A3 8L1. AUTODOC recommends:
Step 22

Clean the brake caliper bracket from dirt and dust. Use a wire brush. Use a brake cleaner.

AUTODOC recommends:
Replacement: brake caliper – Audi A3 8L1. After applying the spray, wait a few minutes.
Step 23

Treat the contact surfaces between the brake pads and the brake caliper bracket. Use anti-squeal paste.
Step 24

Install the brake pads.
Step 25

Install the brake caliper and fix it.
Step 26

Screw in the brake caliper fasteners.

Please note!
Install the brake caliper starting with its lower part. Hold up the brake caliper.
Step 27

Tighten the brake caliper fasteners. Important! Be sure to use new fasteners. Use a combination spanner #15. Use a drive socket #13. Use a torque wrench. Tighten it to 35 Nm torque.
Step 28

Install the parking brake cable into the brake caliper bracket. Secure the parking brake cable with the retaining clip.
Step 29

Pull aside the parking brake mechanism. Use water pump pliers.
Step 30

Attach the parking brake cable to the parking brake mechanism.
Step 31

Install the return spring of the parking brake mechanism.
Step 32

Unscrew the plug from the brake hose mounting seat on the brake caliper. Use a ratchet wrench. Use HEX No.H6.
Step 33

Install the brake hose to the new brake caliper.
Step 34

Tighten the brake hose fastener. Use a combination spanner #18. Use a torque wrench. Tighten it to 35 Nm torque.
Step 35

Remove the brake hose clamp.

Replacement: brake caliper – Audi A3 8L1. Tip from AUTODOC experts:
Bleed the brake caliper system.
Step 36

Connect the ABS sensor electric socket. Connect the brake pad wear sensor plug.

Step 37

Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
Step 38

Install the wheel.

AUTODOC recommends:
Important! Hold the wheel while screwing in the fastening bolts. Audi A3 8L1
Step 39

Screw in the wheel bolts. Use wheel impact socket #17.
Step 40

Lower the car and working in a cross order, tighten the wheel bolts. Use a torque wrench. Tighten it to 120 Nm torque.
Step 41

Remove the jacks and chocks.

AUTODOC recommends:
Important! Replacement: brake caliper – Audi A3 8L1. Check the brake fluid level in the reservoir and top up if necessary.
Step 42

Tighten the brake fluid reservoir cap.
Step 43

Close the hood.

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