Operation CHARM
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Buick
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1983
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Regal V6-231 3.8L VIN A 2-bbl
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Repair and Diagnosis
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Brakes and Traction Control
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Power Brake Assist
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Vacuum Pump
Vacuum Pump
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Description and Operation
Testing and Inspection
Symptom Related Diagnostic Procedures
Excess Brake Effort & Warning Light on
Excessive Brake Pedal Effort/VAC. Pump Inop. & Warning Light on
Excessive Brake Pedal Effort, VAC. Pump OP. & Warning Light on
CONT. VAC. W/Normal-Excess Brake Effort Warning Light on or Off
Component Tests and General Diagnostics
Service and Repair
Controller, Replace
Piston Assembly, Replace
Vacuum Pump, Replace
