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Home >> Cadillac >> 1983 >> Eldorado 5.7 N >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 5.7L V8 Diesel - VIN [N] >> Lubrication >> Oil Pump Overhaul >> Disassembly

Oil Pump Overhaul: Disassembly

Remove oil pump drive shaft extension. Place thumb over pressure regulator valve bore, and remove cotter pin, spring and pressure regulator valve. Remove oil pump cover screws, cover and gasket. Remove drive gear and idler gear from pump body. See Fig 1.

Fig 1: Exploded View of Oil Pump Assembly
G73287
NOTE: DO NOT  remove washers from drive shaft extension. Also, use care when removing cotter pin, as spring is under pressure.
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