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Home >> Buick >> 1994 >> LeSabre Custom >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 3.8L V6 VIN L & 3.8L Supercharged V6 VIN 1 >> Lubrication >> Oil Pump >> Inspection

Oil Pump: Inspection

  1. Inspect components for damage. Measure gear end clearance. Measure housing gear pocket depth and diameter. Measure tip clearance between gears and outer gear-to-housing clearance.
  2. Check clearance between pressure regulator valve and bore. Replace components or pump assembly if measurements are not within specification. See OIL PUMP SPECIFICATIONS table.