Vitara 4WD L4-20L (2003) Vacuum Brake Booster Component Specs Page 2577
Vacuum Brake Booster: Description and Operation
Booster Assembly Construction
The booster is located between the master cylinder and the brake pedal It is so designed that the force created when the brake pedal is depressed is
mechanically increased combined with the engine vacuum
CAUTION:
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Never disassemble brake booster assembly. If it is found faulty, replace it with new assembly.
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The torque values specified are for dry, unlubricated fasteners. If any hydraulic component is removed or brake line disconnected, bleed the brake
system.
