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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> Engine Mechanical >> Engine Mechanical - 6.0L (L96 LC8) >> Repair Instructions >> Oil Pump, Screen and Crankshaft Oil Deflector Installation

Oil Pump, Screen and Crankshaft Oil Deflector Installation

  1. GM1658173Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Inspect the oil pump and engine block oil gallery passages. These surfaces must be clear and free of debris or restrictions.

    Align the splined surfaces of the crankshaft sprocket and the oil pump drive gear and install the oil pump (413).

  2. Install the oil pump (413) onto the crankshaft sprocket until the pump housing contacts the face of the engine block.
    3. CAUTION:

    Refer to Fastener Caution .

  3. Install the oil pump bolts (411) and tighten to 25 N.m (18 lb ft).
  4. GM260099Courtesy of GENERAL MOTORS COMPANY

    Install the crankshaft oil deflector and nuts.

  5. GM2308314Courtesy of GENERAL MOTORS COMPANY

    Lubricate a NEW oil pump screen O-ring seal (1) with clean engine oil.

  6. Install the NEW O-ring seal onto the oil pump screen.
    7. NOTE:
    • Push the oil pump screen tube completely into the oil pump prior to tighten ing the bolt. Do not allow the bolt to pull the tube into the pump.
    • Align the oil pump screen mounting brackets with the correct crankshaft bearing cap bolt/studs.
  7. Install the oil pump screen (4).
  8. Install the oil pump screen bolt (2) and the nuts (3).
    • tighten the oil pump screen bolt to 12 N.m (106 lb in).
    • tighten the crankshaft oil deflector nut to 25 N.m (18 lb ft).
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