Operation CHARM
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Ford
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1994
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Bronco Full Size V8-351 5.8L
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Repair and Diagnosis
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Brakes and Traction Control
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Testing and Inspection
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Pinpoint Tests
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D - Power Brake Function Test
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D2 - Vacuum Check
D2 - Vacuum Check
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Push brake pedal all the way down and hold.
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Key ON, engine running.
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Does pedal move downward when the engine is started?
YES --
Brakes are functioning properly.
NO --
GO to E1.
E1 - Vacuum Check