Variant A1: Spare version for A

Fig 1: Identifying Rubber Bellows On Brake Booster - Spare Version For A

Courtesy of PORSCHE OF NORTH AMERICA, INC.

With this variant -A1-, the new/current continuous bellows -B- is used instead of the 2 rubber bellows. Refer to Fig 2 . A seal -7.2- is used together with an appropriate connection sleeve -7.1- for connection to the firewall! In addition, the 2 brake pushrods (on the brake booster and of brake pedal) must also be replaced!

The conversion is described in CONVERTING BRAKE BOOSTER (BELLOWS) .

NOTE:

As a replacement part, the brake booster is delivered with the new/current continuous bellows -B- ! Refer to Fig 2 .
In general, the following applies: The bellows -B- must be installed!

Fig 2: Identifying Brake Booster Delivered With New/Current Continuous Bellows

Courtesy of PORSCHE OF NORTH AMERICA, INC.