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Volvo
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2001
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V70 T-5, Standard
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Repair and Diagnosis
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Engine Performance
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Engine Control Systems
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Alarm System, Control Modules, Engine Management Systems - Design And Function
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Brake Control System (2001)
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ABS diagnostic functions
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Description of activation
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Pump motor
Pump motor
Activating hydraulic modulator pump motor.
The pump motor should "hum".