Cayenne Titanium (9PA) V8-4.5L (2006)
4. Unscrew ground strap -1- to the centre firewall.
4.1. Unscrew fastening nut on the centre firewall and remove the ground strap with the twist lock -arrow A-.
4.2. Unclip wire harness for brake booster on retaining clip -arrow B-.
5. Pull off connector on reservoir for brake fluid -4-.
5.1. Release connector on reservoir for brake fluid -arrow A- and pull off -arrow B-.
6. Pull off connector on brake booster -5-.
6.1. Release connector on brake booster with suitable auxiliary materials (e.g. angled piece of wire) -a- -arrow A- and pull off -arrow B-.