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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Mechanical - 4.6L (LH2) - 1 Of 5) >> On-Vehicle Repair Instructions (Part 1) >> Oil Pump Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Identifying Oil Pump & Drive Spacer
    GM1275672Courtesy of GENERAL MOTORS CORP.
  1. Install the oil pump drive spacer (1) into the oil pump (2) so that the drive flat engages the pump rotor.
  2. Position the oil pump on the crankshaft.
  3. Install the retaining bolts.
    4. Fig 2: View Of Oil Pump & Bolts
    GM928314Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  4. Apply upward pressure on the pump while tightening the three retaining bolts. Tighten the bolts in the sequence (1, 2, 3) shown.

    Tighten: 

    1. First Pass

      Tighten the oil pump mounting bolts in sequence to 10 N.m (89 lb in).

    2. Final Pass

      Tighten the oil pump mounting bolts in sequence an additional 35 degrees using the J 45059  .

  5. Install the engine front cover. Refer to Engine Front Cover Replacement .
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