Operation CHARM
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Pontiac
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1988
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6000 V6-173 2.8L
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Vacuum Pump
Vacuum Pump
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Description and Operation
Electrical Vacuum Pump
Description
Operation
Belt Driven Vacuum Pump
Testing and Inspection
Symptom Related Diagnostic Procedures
Electrical Vacuum Pump
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
System Diagnosis
Component Tests and General Diagnostics
Service and Repair
Electrical Vacuum Pump
Vacuum Pump, Replace
Controller, Replace
Piston Assembly, Replace
System Service
