Converting brake booster (bellows): Removal

WARNING: This page is about a different variant/trim than selected.

Switch off ignition. Remove cover -A + B- and battery cover.

Fig 1: Removing Covers
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Remove spare wheel (if present).
Remove brake booster -C- , see REMOVING AND INSTALLING BRAKE BOOSTER .
NOTE:
- To remove and install brake booster -C-, the brake master cylinder -B-, the hydraulic unit -D- and the booster pump -A- in vehicles with PSM must be removed! Refer to Fig 2 .
- The assembly of the brake master cylinder -B- with the brake booster -C- must not be disconnected for removal and installation if both parts should be continued to be used!
Fig 2: Removing Brake Booster & Components
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Remove battery -1- (necessary to remove intermediate piece no. 11)! Remove alarm horn on the intermediate piece -11- .
Undo intermediate piece -11- -arrow- (2 M8 nuts and hexagon socket head bolt) and remove in the direction of the battery. Refer to Fig 3 . Unclip air-condtioning line -2- from the holder.

Fig 3: Removing Battery, Intermediate Piece & Air-Conditioning Line
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Remove the bellows -1- on the fire wall and the bellows -2- on the brake booster. Pull off the grommet (rubber groove ring) -3- .
NOTE: The grommet -3- is not replaced!

Fig 4: Removing Bellows On Fire Wall, Bellows On Brake Booster, & Grommet
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Undo brake pushrod -9- on the brake pedal and remove.

Fig 5: Identifying Brake Pushrod On Brake Pedal
Courtesy of PORSCHE OF NORTH AMERICA, INC.

NOTE: The former brake pushrod -9- with guide (double rib) -arrow- is to be replaced with the brake pushrod -9.1- without guide! See Fig 5 .