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Home >> Oldsmobile >> 1986 >> Ninety-Eight Regency, 4D Sedan >> Repair and Diagnosis >> Engine Performance >> System >> Vacuum Pumps >> Component Testing >> Alternator-Driven Pumps

Alternator-Driven Pumps

  1. Install a vacuum gauge to inlet port of vacuum pump. With is installed on rear of alternator and driven by alternator rotor shaft.