Crown Victoria V8-4.6L SOHC VIN 6 (1996)
Vacuum Brake Booster: Symptom Related Diagnostic Procedures
POSSIBLE CAUSES FOR THESE SYMPTOMS:
Hard Pedal Or No Assist At All
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Air cleaner element clogged.
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Control valve faulty.
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Defective diaphragm.
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Worn or distorted reaction plate or levers.
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Cracked or broken power piston or levers.
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Internal or external leaks.
Grabbing Brakes
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Control valve defective or sticking.
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Bind in linkage.
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Reaction diaphragm leaking.
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Worn or distorted levers or plate.
Slow Or No Release
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Pushrod adjustment improper.
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Linkage binding.
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Return spring defective.