Renewing brake caliper (1KS): Audi A1

🧭 Before you start

Fits: Audi A1 (8X, 2010–2018)

• Opens: brake fluid

Don't miss

• Place a cloth under the connection to catch escaping brake fluid.
• This closes the valves in the brake master cylinder and stops the brake fluid reservoir from running empty.
• Counterhold guide pins and unscrew bolts (arrows) from brake caliper (1).
• You should only bleed the brakes at the wheel where the caliper was detached and the brake line disconnected. If the brake pedal then still feels "“soft”", bleed the complete brake system .

📋 Procedure

1. Release parking brake.
2. Remove relevant rear wheel Running gear, axles, steering44Wheels, tyres. [Note: Place a cloth under the connection to catch escaping brake fluid.]
3. ⚠ Risk of skin irritation.Always wear chemical-resistant protective gloves to prevent brake fluid from contacting skin.Accident risk: if the water content in the brake fluid is too high, this can cause vapour bubbles in the fluid.Brake fluid is hygroscopic, i.e. it absorbs moisture from the surrounding air.Seal open brake hoses and brake lines using sealing plugs from repair kit1H0 698 311 A.Risk of malfunction if brake fluid comes into contact with fluids containing mineral oils.Do not under any circumstances allow brake fluid to come into contact with fluids that contain mineral oils (e.g. oil, petrol, cleaning agents). Protective gloves must be free of oil and grease.Risk of damage to paintwork surfacesDue to its corrosive effect, brake fluid must not be allowed to come into contact with paintwork. Rinse off brake fluid spillages immediately using plenty of water. — Press lever on brake caliper (2) in direction of (arrow).
4. Disengage brake cable (1) from lever on brake caliper (2).
5. Compress retaining tabs (3).

6. Disengage brake cable (1) from retainer (4) on brake caliper.
7. Attach bleeder hose (1) from bleeder bottle to bleeder screw on brake caliper and open bleeder screw.
8. Insert brake pedal actuatorV.A.G 1869/2 between brake pedal and driver's seat. Depress brake pedal at least 60 mm. [Note: This closes the valves in the brake master cylinder and stops the brake fluid reservoir from running empty.]
9. Close bleeder screw and remove bleeder bottle.
10. Unscrew banjo bolt (2) for brake hose (1) from brake caliper.
11. Seal open connections immediately using clean sealing plugs from repair kit1H0 698 311 A.
12. Counterhold guide pins and unscrew bolts (arrows) from brake caliper (1).
13. Remove brake caliper from brake carrier.
14. Secure brake caliper (1) to brake carrier using new self-locking bolts (arrows).
15. Connect brake hose (1) to brake caliper with banjo bolt (2).
16. Remove brake pedal actuatorV.A.G 1869/2.
17. Run brake cable (1) through retainer (4) on brake caliper until retaining tabs (3) engage.
18. Press lever on brake caliper (2) in direction of (arrow).
19. Engage brake cable (1) in lever on brake caliper (2).
20. Bleed brake system (only at wheel where caliper was detached and brake line disconnected). [Note: You should only bleed the brakes at the wheel where the caliper was detached and the brake line disconnected. If the brake pedal then still feels "“soft”", bleed the complete brake system .]
21. Fit rear wheel Running gear, axles, steering44Wheels, tyres.
22. Adjust parking brake .

🎬 Related video tutorial

Independent AUTODOC tutorial for the same job, filmed on a different model (A3 2 (8PA)) — the technique carries over, the fasteners and figures on this page are the ones for your car.

How to change rear brake caliper on AUDI A3 2 (8PA)

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