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Home >> Oldsmobile >> 1975 >> Toronado Custom >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 260" BUICK, OLDSMOBILE & PONTIAC 350" & 455" OLDSMOBILE Exc. Omega >> Engine Oiling >> Oil Pump

Oil Pump

Located on rear main bearing cap. Do not remove drive shaft extension washers (serviced as a unit). Pressure relief valve clearance in bore should be 0.0025 - 0.005". End clearance of gears should be 0.0025 - 0.0065".

Fig 1: OIL PUMP ASSEMBLY
G09333356Courtesy of GENERAL MOTORS COMPANY
Fig 2: ENGINE OILING SYSTEM
G09333357Courtesy of GENERAL MOTORS COMPANY