Mein C6 "frisst" Bremskraftverstärker...

[fraunie]

Noch ein Nachtrag zur Problematik mit den Vakuumpumpen, in diesem Fall von LandRover und der entsprechenden Rückruf-Aktion:

Zitat

 

Oil Migration Condition

Customers have reported a reduction in braking assistance performance, and upon investigation dealer technicians report finding oil in the brake booster. When the engine is turned off the non-return valve in the vacuum pump does not in all cases seal. This allows engine oil to be sucked into the vacuum hose that feeds the brake booster (due to by-design residual depression in the brake booster feed hose). Oil may then migrate from the hose into the brake booster, which can lead to a reduction in brake assistance. Eventually the oil may migrate through the brake booster into the brake master cylinder where the main and primary & secondary pumping chamber seals may swell and could fail to seal.

Vehicles manufactured between November 2005 and April 2007 are at most risk of experiencing this condition. A modified vacuum pump was introduced in April 2007 to mitigate against this oil migration.

 

Also stimmt die Lösung, dass das Ventil in der Pumpe nicht immer schliesst und dadurch Öl in den BKV fließen kann.

Während LandRover die Pumpen austauschen liess, hat Citroen versucht, das Ganze mit einem anderen Schlauch zwischen Pumpe und BKV zu lösen, oder?