B58TU�Engine
3.�Vacuum�Supply
12
3.1.�Vacuum�pump
Oil�vacuum�pump,�B58/B58TU�engine
Index
Explanation
A
B58�engine,�tandem�oil�pump�with�integrated�vacuum�pump
B
B58TU�engine,�oil�pump
1
Vacuum�pump
2
Oil�pump
Vehicles�with�a�gasoline�engine�and�"traditional�brake�system"�need�a�vacuum�pump�to�boost�the
pedal�force.�In�vehicles�with�a�gasoline�engine�and�DSCi�brake�system�no�vacuum�boost�is�required�as
in�the�DSCi�brake�system�the�pedal�force�is�boosted�hydraulically.�The�graphics�show�the�oil�pumps�of
the�B58�engine�and�the�B58TU�engine�with�combined�vacuum�pump�and�without�vacuum�pump.