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Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Mechanical Components - Brake System (Coupe)) >> 46 Mechanical Components >> Removal And Installation >> Front Brakes, 1LA/1LJ >> Front Brake Pads >> Installing

Front Brake Pads: Installing

WARNING: This page is about a different variant/trim than selected.

-- Clean brake caliper.

NOTE:

Clean brake caliper with mineral spirits exclusively.

Before inserting new brake pads, press the piston back into the cylinder using the piston resetting tool. Before pushing back the piston, siphon some of the brake fluid out of the brake fluid reservoir. Otherwise, especially if reservoir has been topped off, fluid will overflow and cause damage.

WARNING:

Brake fluid is poisonous. NEVER siphon brake fluid with your mouth!

-- Press piston back.

Use the T10145.

Fig 1: Pressing Piston Back Into Caliper Housing
GWWA46-10042Courtesy of AUDI OF AMERICA, LLC

-- Remove any protective film from the brake pad backing plate.

-- Insert the inner brake pad with the retaining springs in the brake caliper. The retaining spring -arrow- must sit in the brake piston.

Fig 2: Identifying Insertion Of Inner Brake Pad With Retaining Spring In Brake Caliper
GWWA46-0216Courtesy of AUDI OF AMERICA, LLC

-- Insert the outer brake pad -2- into the brake caliper.

Fig 3: Identifying Outer Brake Pad, Retaining Springs And Brake Caliper
GWWA46-0217Courtesy of AUDI OF AMERICA, LLC
NOTE:

The brake pad has a mount -10- on the backing plate that must sit firmly in the brake caliper hole.

Fig 4: Identifying Brake System Components
GWWA46-10109Courtesy of AUDI OF AMERICA, LLC
WARNING:

Both brake pads must sit under the retaining pins in the brake caliper. The brake caliper has two retaining pins at both left and right that must not be loosened.

-- Carefully slide the brake caliper with brake pads over the brake rotor.

-- Tighten the brake caliper on the brake carrier with both guide pins -4-.

Fig 5: Identifying Brake System Components
GWWA46-10109Courtesy of AUDI OF AMERICA, LLC

-- Press the retaining spring in the center and insert the center tab of the retaining spring in the hole -arrow- on the brake caliper.

Fig 6: Identifying Brake System Components
GWWA46-10109Courtesy of AUDI OF AMERICA, LLC
NOTE:

The retaining spring -8- tab must sit correctly in the hole in the brake caliper or it can spring out and the brake pad will not be held in place.

The spring is tensioned, keep hands protected.

When removing the spring, make sure it does not scratch the brake caliper or damage the paint.

-- Insert the left front brake pad wear indicator connector in the bracket.

-- Insert the electrical wire in the bracket -2- and engage it to the right -B-.

Fig 7: Freeing Up Electrical Connector
GWWA10-10858Courtesy of AUDI OF AMERICA, LLC

-- Insert the brake hose in the bracket -4-.

-- Connect the left front brake pad wear indicator connector.

-- Mount the wheels, refer to WHEEL BOLT TIGHTENING SPECIFICATIONS .

NOTE:

After installing brake pads, depress brake pedal several times firmly to properly seat brake pads in their normal operating position.

-- Check brake fluid level, and fill if necessary.