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Home >> Audi >> 2009 >> S4 Automatic >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake System >> 46 - Brakes - Mechanical components >> Rear brakes C38 >> Brake pads, removing and installing

Brake pads, removing and installing

Fig 1: Identifying Special Tools - Brake Pads, Removing And Installing
GW00019726Courtesy of VOLKSWAGEN UNITED STATES, INC.

Special tools, testers and auxiliary items required 

Removing 

NOTE:
  • Mark brake pads when removing them if they are to be reused. Reinstall in their original position to prevent uneven braking.
Fig 2: Removing Securing Bolts From Brake Caliper Housing, While Counter-Holding On Guide Pins
GW00016052Courtesy of VOLKSWAGEN UNITED STATES, INC.

Installing 

Fig 3: Installing Piston By Turning Reset And Screwing Out Tool 3272 In Clockwise Direction
GW00019727Courtesy of VOLKSWAGEN UNITED STATES, INC.
NOTE:
  • Insert reset and screw out tool 3272 so that the collar is positioned against the piston.
  • Press piston back into the cylinder with resetting tool, before inserting new brake pads. Draw off brake fluid from the reservoir with a bleeder bottle before pressing piston back. Otherwise brake fluid which was used to top off brake fluid reservoir, may run out and cause damage.
CAUTION: Brake fluid is poisonous and must never be extracted by mouth using a hose!
Fig 4: Installing Brake Pads
GW00006839Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 5: Removing/Installing Securing Bolts From/To Brake Caliper Housing, While Counter-Holding On Guide Pins
GW00016052Courtesy of VOLKSWAGEN UNITED STATES, INC.
NOTE:
  • The repair kit includes four self-locking hex bolts which must be installed in all cases.
  • After each brake pad change firmly depress brake pedal several times with vehicle stationary, so that the brake pads are properly seated in their normal operating position.

Mounting wheels → 44 - WHEELS, TIRES, VEHICLE ALIGNMENT .