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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Mechanical - 4.6L (3 Of 5)) >> Off-Vehicle Repair Instructions (1 Of 3) >> Oil Pump Removal

Oil Pump Removal

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    Fig 1: Identifying Oil Pump Assembly Retaining Bolts
    GM204286Courtesy of GENERAL MOTORS CORP.
  1. Remove the oil pump assembly retaining bolts (1, 2, 3) identified by the larger head size.
  2. Slide the oil pump assembly off the nose of the crankshaft with the drive collar in place.
  3. Wrap the oil pump in a towel for safe, clean storage until inspection or assembly is necessary.