Audi Workshop Service and Repair Manuals

Removing and installing front brake pads - FN-3 brakes   Note Always renew on both sides of axle. Special tools and workshop equipment required t  Torque wrench -V.A.G 1331- t  Ratchet -V.A.G. 1331/1- t  Piston resetting appliance -T10145- Removing –  Raise the vehicle. –  Remove wheels.   Note Mark brake pads when removing them if they are to be reinstalled. Reinstall in their original position to prevent uneven braking. –  Remove caps -13-.

–  On vehicles equipped with a brake pad wear indicator, unplug connector -4- at front left. –  Slightly lift up locating lug on lower part of connector and turn 90°. –  Pull lower part of connector for wear indicator out of bracket.

–  Lever brake pad retaining spring out of brake caliper housing with a screwdriver and remove.

–  Unscrew and remove both guide pins -12- from brake caliper. Tie brake caliper up to vehicle using a suitable wire. Take care that brake hose is not damaged by weight of brake components. –  Take brake pads out of brake caliper housing or from brake carrier.   WARNING Do not apply brake when brake caliper is removed. Installing –  Clean brake caliper housing. Use only methylated spirits to clean the brake caliper housing.   Note Before inserting new brake pads, press piston back into cylinder with resetting appliance. Before pressing the piston back, draw off brake fluid from the reservoir with a bleeder bottle. Otherwise, brake fluid can overflow and cause damage.   WARNING Brake fluid is poisonous and must NOT be drawn off by sucking through a hose. –  Press piston back.

Use piston resetting appliance T10145.

–  Insert brake pad with retaining spring in brake caliper housing (piston).   Note The inner pad (with spring) has an arrow. The arrow must point in direction of brake disc rotation when moving forwards. May create noises if incorrectly installed. –  If fitted, pull protective foil off pad backplates. –  Fit outer brake pad onto brake carrier.

–  Screw both guide pins into brake caliper housing and tighten.

–  Fit both protective caps -arrow-. –  Insert retaining spring into brake caliper housing.   Note t  The retaining spring must be pressed under the brake carrier after inserting into both holes. If incorrectly installed, the wear of the outer pad cannot be adjusted, and the pedal travel will be increased as a result. t  After installing the brake pads, depress the pedal firmly several times with the vehicle stationary, so that the pads are properly seated in their normal operating position. –  Check brake fluid level and top up if necessary.