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BRAND NEW BRAKE BOOSTER CHEVROLET EXPRESS GMC SAVANA 3500Part Name : Hydraulic Brake Booster; Hydro-boost
Part #. : 15005468, 15192189, 15757257, 15969687, 52-7343
This Part Fits:
CHEVROLET EXPRESS 3500 (1996 - 2002)
GMC SAVANA 3500 (1996 - 2002)Remarks:
WITHOUT MASTER CYLINDER
Hydraulic brake booster (Hydro-booster) introduction:
Hydraulic brake boosters make efficient use of the existing energy supply system in a vehicle. The hydraulic pump is used to supply, for example, power steering with the necessary high-pressure oil. It is only about the same size and weight as the tandem master cylinder. It has a substantially higher runout pressure than vacuum boosters, and is not dependent on a vacuum supply. It can therefore also be used without problem on diesel engine vehicles or on vehicles whose engines produce low vacuum levels.
If the steering pump fails, the hydraulic pressure reservoir contains an adequate pressure reserve to apply the brakes several times with full boost effect. Even after this pressure reserve has been used up, it is always still possible to brake – although without reinforcement, and therefore with a significantly greater force from the foot.