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) 1.8, 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.

This video shows the replacement procedure of a similar car part on another vehicle

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'll need:

                      Torque wrench
                    
                      Wire brush
                    
                      HEX bit  No.H7
                    
                      Combination spanner #11
                    
                      Brake cleaner 
                    
                      Copper grease 
                    
                      Flat Screwdriver
                    
                      Fluid container
                    
                      Anti-squeal paste
                    
                      Wheel impact socket #17
                    
                      Crow bar
                    
                      Wheel chock 
                    
                      Ratchet wrench
                    
                      Brake hose clip

Buy tools

Replacement: brake caliper – AUDI A3 (8L1). Tip from AUTODOC experts:

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 front of the car and secure on supports.
Step 5

Unscrew the wheel bolts.

AUTODOC recommends:
Important! Hold the wheel while unscrewing the fastening bolts. AUDI A3 (8L1)
Step 6

Remove the wheel.
Step 7

Turn the steering knuckle to the right to get access to the brake hose bolt and brake pad wear sensor.

Please note!
If you use a jack, doing step #7 is impossible.
Step 8

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 9

Put a container for gathering brake fluid beneath.
Step 10

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

Replacement: brake caliper – AUDI A3 (8L1). Tip:
After applying the spray, wait a few minutes.
Step 11

Clamp the brake hose off using a brake hose clamp.
Step 12

Unscrew the brake hose from the brake caliper. Use a combination spanner #11. Move the brake hose aside. Tie the brake hose to the car body with a hook or a piece of wire.
Step 13

Spread the brake pads. Use a crowbar.
Step 14

Remove the dust boot caps of the brake caliper guide pins. Use a flat screwdriver.
Step 15

Unscrew the brake caliper fastening. Use HEX No.H8. Use a ratchet wrench.
Step 16

Remove the brake caliper.

Replacement: brake caliper – AUDI A3 (8L1). AUTODOC recommends:
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.If going to use the old brake pads, clean them.
Step 17

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

AUTODOC recommends:
Replacement: brake caliper – AUDI A3 (8L1). After applying the spray, wait a few minutes.
Step 18

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

Step 19

Remove the guide pins from the brake caliper.
Step 20

Clean old grease and rust stains, if there are any, from the caliper guide pins and guide pin boots. Use a brake cleaner.

Replacement: brake caliper – AUDI A3 (8L1). Tip:
After applying the spray, wait a few minutes.
Step 21

Lubricate guide pins with special brake grease.

AUTODOC recommends:
If no new guide pins were supplied in a kit with the new brake calipers, use the old pins.
Step 22

Install the brake caliper together with the pads.

Please note!
Install the brake caliper starting with its lower part.
Step 23

Screw in the guide pins.

Replacement: brake caliper – AUDI A3 (8L1). Tip from AUTODOC:
Hold up the brake caliper.
Step 24

Tighten the guide pins. Use HEX No.H8. Use a torque wrench. Tighten it to 30 Nm torque.
Step 25

Clean dirt from the brake hose bolt. Use a brake cleaner.

AUTODOC recommends:
Replacement: brake caliper – AUDI A3 (8L1). After applying the spray, wait a few minutes.
Step 26

Install and fix the brake hose into a new caliper. Use a torque wrench. Tighten it to 35 Nm torque.
Step 27

Install the dust boot caps of the brake caliper guide pins.
Step 28

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

Replacement: brake caliper – AUDI A3 (8L1). AUTODOC experts recommend:
Bleed the brake caliper system.
Step 29

Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
Step 30

Install the wheel.

AUTODOC recommends:
Important! Hold the wheel while screwing in the fastening bolts. AUDI A3 (8L1)
Step 31

Screw in the wheel bolts. Use wheel impact socket #17.
Step 32

Lower the car and working in a cross order, tighten the wheel bolts. Use a torque wrench. Tighten it to 120 Nm torque.
Step 33

Remove the jacks and chocks.

Replacement: brake caliper – AUDI A3 (8L1). Professionals recommend:
Important! Replacement: brake caliper – AUDI A3 (8L1). Check the brake fluid level in the reservoir and top up if necessary.
Step 34

Tighten the brake fluid reservoir cap. Close the hood.

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