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Mazda
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2017
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CX-5 Grand Select, FWD
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Repair and Diagnosis
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Brakes
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Mechanical - Hydraulic
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Conventional Brake System
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Power Brake Unit Inspection
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Without Using SST
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Vacuum loss function inspection
Vacuum loss function inspection
Start the engine.
Depress the pedal with normal force.
With the pedal depressed, stop the engine.
Hold the pedal depressed for approx. 30 s.
If the pedal height does not change during this time, the unit is normal.