Audi Workshop Service and Repair Manuals

Removing and installing brake pads (PR 1ZG)

Torque wrench -V.A.G 1331-

Piston resetting appliance -T10145- Removing Mark brake pads when removing them if they are to be reinstalled. Reinstall in their original position to prevent uneven braking. –  Remove wheels.

–  Remove caps -14-.

–  Unscrew and remove both guide pins -arrows- from brake caliper. –  Remove brake caliper and secure with wire so that weight of brake caliper does not strain or damage brake hose.   WARNING Do not leave the brake caliper hanging from the brake hose. –  Take brake pads out of brake caliper. Cleaning:   WARNING Do not blow out brake system with compressed air; the resulting dust constitutes a health hazard! –  Thoroughly clean contact surfaces for brake pads on brake carrier and remove corrosion. –  Clean brake caliper. Use only methylated spirits for cleaning the brake caliper housing. Installing Before pressing piston back into cylinder with piston resetting tool, draw off brake fluid from brake fluid reservoir. Otherwise, fluid can overflow and cause damage, particularly if the reservoir has been topped up.

–  Press piston back. –  Insert brake pads into brake caliper and piston.   Note Make sure that brake pads are seated correctly.

–  Install brake caliper with brake pads on wheel bearing housing. –  First locate brake caliper at bottom of brake carrier -arrow-. –  Then press brake caliper (with brake pads fitted) further over brake disc. l  Stud on brake caliper must be positioned behind guide on brake carrier. –  Bolt brake caliper to brake carrier with both guide pins.

–  Tighten both guide pins -13-. –  Fit the two caps -14-. –  Fit wheels. Tightening torque for wheel bolts → Running gear, axles, steering; Rep. gr.44   Note t  Every time after changing the brake pads, depress the brake pedal firmly several times with the vehicle stationary, so that the pads are properly seated in their normal operating position. t  Check brake fluid level after changing brake pads.   Caution Make sure that the brakes work properly before the vehicle is driven on the road.