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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Mechanical - 8.1L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Oil Pump, Screen and Crankshaft Oil Deflector Installation

Oil Pump, Screen and Crankshaft Oil Deflector Installation

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    Fig 1: View Of Crankshaft Oil Deflector & Nuts
    GM635703Courtesy of GENERAL MOTORS CORP.
  1. Install the crankshaft oil deflector.
  2. NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Install the crankshaft oil deflector nuts.

    Tighten:  Tighten the crankshaft oil deflector nuts to 50 N.m (37 lb ft).

  4. Fig 2: View Of Oil Pump Assembly
    GM471060Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: During assembly, install a NEW oil pump driveshaft retainer. Slightly heat retainer above room temperature for ease of installation onto the oil pump driveshaft.
  5. Install clean engine oil into the oil pump through the outlet oil hole. Rotate the pump in both directions to prime and lubricate.
  6. Assemble the oil pump, driveshaft, and a NEW retainer.
  7. Install the oil pump assembly.

    Position the oil pump onto the locating pins.

  8. Install the bolt attaching the oil pump to the rear crankshaft bearing cap.

    Tighten:  Tighten the oil pump bolt to 75 N.m (56 lb ft).

  9. Pour clean engine oil into the oil pump pickup screen.