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Volvo
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1981
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245 GLT, Automatic Trans
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Repair and Diagnosis (Single Page)
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Brakes
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Mechanical - Hydraulic
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Brake System Trouble Shooting
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Condition & Possible Cause
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Brake Failure or Heavy Pedal
Brake Failure or Heavy Pedal
Power unit diaphragm damaged.
Check valve malfunctioning.
Defective vacuum hose.
Twisted air valve and valve rod plunger.