Parking Brake System: Locations

WM 4600IN Component arrangement - foot-operated parking brake

Component arrangement

A foot-operated parking brake is used in the Porsche Cayenne.

Special demands for a sporty, multi-purpose vehicle have been taken into account when designing the foot-operated parking brake. To achieve the required capabilities, it was designed as a foot-activated parking brake with an intermediate transmission ratio. The Cayenne can be parked reliably with a full load on gradients of 55 %.

A cable is routed from the foot-operated lever to a deflection lever under the centre console which transmits traction to a turnbuckle with a transmission ration of 3.1. Two cables are routed from the turnbuckle to the parking brakes on the rear axle.

The foot-operated parking brake is designed as a duo-servo drum brake and is integrated into the rear brake discs.