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Home >> Porsche >> 2019 >> Cayenne S >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> 46 Brakes - Brake Mechanism 2.9L -- 9YA - Cayenne (9YA) >> WM, 463656 Replacing Front Disc Brake Pads >> Preliminary Work

Preliminary Work

Information 

G15292326Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Checking brake pad thickness (shown as an example)

CAUTION:
  • If brake pad wear is indicated by the warning light, the warning contact line must also be replaced. 
  • Replacement of the warning contact can be avoided by replacing the brake pads before a pad thickness -Arrows- of 2.5 mm is reached. 
  • Warning contacts must be replaced if the core of the wire is worn. 
  • If only the plastic part of the warning contact is worn, the warning contacts need not be replaced. 
  1. Carefully pull off warning contact -1-  on the brake pad -2-  and then disconnect the cable plug -3-  at the plug connection.
    G15292327Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Brake pad warning contact (example)

  2. Loosen brake callipers front. Do not disconnect the brake pipe from the brake calliper.

    > 473919 REMOVING AND INSTALLING BRAKE CALLIPER FRONT - on "Removing"