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Home >> Porsche >> 2003 >> 911 Carrera 4S, Standard >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes - Hydraulic - 911 CARRERA (996) >> Removing and installing brake booster >> Replacing brake booster >> In the case of replacement >> Variant A: First version (spare parts not included)

Variant A: First version (spare parts not included)

Fig 1: Identifying Rubber Bellows On Brake Booster - First Version
G03105903Courtesy of PORSCHE OF NORTH AMERICA, INC.

The 2 rubber bellows -1 and 2-  on the brake booster and on the body are no longer available for vehicles with bellows variant A (first version).

For assembly work in this area, the 2 rubber bellows -1 and 2-  and the grommet (rubber groove ring) -3-  must be removed and the spare variant A1 must be installed in its place.