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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1403 (Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L (4 Of 5)) >> Repair Instructions - Off Vehicle (2 Of 3) >> Oil Pump Assemble

Oil Pump Assemble

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Exploded View Of Oil Pump
    GM1402152Courtesy of GENERAL MOTORS CORP.
    NOTE: Prior to assembling the oil pump, coat all wear or internal surfaces with clean engine oil.
  1. Install the driven gear (412) into the pump housing (413).

    Install the driven gear with the orientation mark facing the pump cover.

  2. Install the drive gear (410) into the pump housing.
  3. Install the oil pump cover (409).
    4. CAUTION: Refer to Fastener Caution .
  4. Install the oil pump cover bolts (408) and tighten to 12 N.m (106 lb in).
  5. Install the relief valve (414).
  6. Install the relief valve spring (415).
  7. Install the relief valve plug (416) and tighten to 12 N.m (106 lb in).
  8. Inspect the oil pump for smooth operation by rotating the drive gear.
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