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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Mechanical - 8.1L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Oil Pump Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
IMPORTANT: When installing the oil pump, always replace the retainer between the oil pump and the shaft.
    Fig 1: View Of Crankshaft Oil Deflector
    GM843909Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  1. Install the crankshaft oil deflector.
  2. Install the crankshaft oil deflector nuts.

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

    3. Fig 2: View Of Oil Pump, Bolt, Retainer & Driveshaft
    GM843907Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: During assembly, install NEW oil pump driveshaft retainer. Slightly heat the retainer above room temperature for ease of installation onto the oil pump driveshaft.
  3. Assemble the oil pump, driveshaft and a NEW retainer.
  4. Install the oil pump assembly. Position the oil pump onto the locating pins.
  5. Install the oil pump bolt.

    Tighten:  Tighten the bolts to 75 N.m (56 lb ft).

  6. Install the oil pan. Refer to Oil Pan Replacement .
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