buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

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Regal V6-231 3.8L Turbo VIN 9 FI (1984)

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Vacuum Pump: Symptom Related Diagnostic Procedures
Excessive Brake Pedal Effort, VAC. Pump OP. & Warning Light on

Fig. 4 Vacuum pump test connection

Fig. 5 Vacuum pump test connection

Fig. 6 Vacuum pump test connection

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