WM 477019 Removing And Installing Brake Booster (All Models): Information

The brake components (brake booster, brake master cylinder, hydraulic unit) are installed under the luggage compartment cover -2-  .

Fig 1: Identifying Luggage Compartment Cover With Mounting Bolts And Screws

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

To remove and install the brake booster -C-  , the hydraulic unit -D-  must be removed.

The brake master cylinder -B-  must not be separated from the brake booster -C-  if both parts -B and C-  are to be re-used.

Fig 2: Identifying Brake Components

Courtesy of PORSCHE CARS NORTH AMERICA, INC.