Overview - Front Brakes, 1LM

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NOTE:

always install complete repair set

After replacing brake pads, depress brake pedal firmly several times with vehicle stationary so that the brake pads are properly seated in their normal operating position.

To extract brake fluid from the brake fluid reservoir, use a bleeder bottle that is used exclusively for brake fluid. Brake fluid is poisonous. NEVER extract brake fluid with your mouth!

Overview

Fig 1: Overview Of Front Brakes Components (1LM)

Courtesy of AUDI OF AMERICA, LLC

Bolt
- 5 Nm
  NOTE:
  Replace each time it is removed.
Brake Rotor
- Wear limit. Refer to BRAKE PR NUMBERS .
- Always replace on both axles.
- Remove brake caliper before removing
- Coat contact surfaces between brake rotor and wheel hub with Polycarbamide grease .
- Refer to BRAKE ROTOR, REMOVING AND INSTALLING, 1LM
- Refer to BRAKE ROTOR, REPLACING, 1LM
Cover Plate Bolt
- 10 Nm
Cover Plate
- Refer to BRAKE SHIELD, REMOVING AND INSTALLING, 1LM
Stub Axle Carrier
NOTE:
Bolt the bracket for the brake hose and brake pad wear wire to the stub axle carrier. Bracket bolt: 9 Nm.
Speed Sensor
- Removing and installing.
Bolt
- 9 Nm
Brake Hose
NOTE:
Brake hose in brake caliper: 16 Nm.

Brake pressure line to brake hose: 16 Nm.
Brake Piston
Guide Pin
Brake pad spring
- Two installed in every brake caliper
- Ensure installation position is correct.
Brake Caliper Bolt
- 196 Nm.
  NOTE:
  Replace each time it is removed.
Brake Caliper
- When working on the brake caliper, do not let it hang by the brake hose, but secure it to the body with suitable cable ties or wire.
- Except for "Brake Pads, Removing and Installing " and "Front Brake Caliper, Servicing", no further repairs should made to the brake caliper.
- Hose must be installed free of twists
  NOTE:
  Bleed the brake caliper at both bleed screws.
  
  Bleed screw tightening specification: 15 Nm.
  
  NOTE:
  No repairs may be performed on the brake caliper.
- Refer to BRAKE CALIPER, REMOVING AND INSTALLING, 1LM
- Refer to BRAKE CALIPER, REPLACING, 1LM
Brake Pads
- Four installed in each front brake caliper
  WARNING:
  There are four brake pads installed per side. Only the inner top brake pad in the left brake caliper has a connection for the brake pad wear indicator.
- The brake pad backing plates are equipped with an adhesive film. Remove the protective film from the adhesive surface before inserting.
- Always replace on both axles.
- Refer to BRAKE PADS, REMOVING AND INSTALLING, 1LM
- Check the brake pad thickness.
  NOTE:
  Before installing new brake pads, thoroughly clean the brake calipers of contaminants (grease-free). When doing so, pay particular attention to removing any remaining adhesive foil on outer brake pad contact surfaces.

NOTE:

Close the bleed screw and tighten to 14 Nm.