LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1392 (Engine Mechanical - 4.3L) >> Repair Instructions - Off Vehicle >> Oil Pump Assemble >> Assembly Procedure

Assembly Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Oil Pump Pressure Relief Valve, Spring & Spring Straight Pin
    GM30401Courtesy of GENERAL MOTORS CORP.
  1. Apply clean engine oil GM P/N 12345610 (Canadian P/N 9931930) or equivalent, to the oil pump pressure relief valve, oil pump pressure relief valve spring, and oil pump body.
    2. WARNING: Refer to Safety Glasses Warning .
    NOTE: Replace the oil pump pressure relief valve spring when you reuse the oil pump.
  2. Install the following items:
    1. The oil pump pressure relief valve
    2. The oil pump pressure relief valve spring
    3. The oil pump pressure relief valve spring straight pin
    3. Fig 2: View Of Oil Pump Drive Gear & Driven Gear
    GM5278Courtesy of GENERAL MOTORS CORP.
  3. Apply clean engine oil GM P/N 12345610 (Canadian P/N 993193) or equivalent, to the oil pump drive gear, the oil pump driven gear, and the oil pump body internal surfaces.
  4. Install the oil pump drive gear and the oil pump driven gear into the oil pump body.
    1. Align the matchmarks on the oil pump drive and driven gears.
    2. Install the smooth side of the oil pump drive and driven gears toward the oil pump cover.
    5. Fig 3: View Of Oil Pump Cover
    GM5277Courtesy of GENERAL MOTORS CORP.
  5. Install the oil pump cover.
    6. Fig 4: View Of Oil Pump Cover Bolts
    GM5276Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  6. Install the oil pump cover bolts and tighten to 12 N.m (106 lb in).
  7. Inspect the oil pump for smoothness of operation by turning the oil pump driveshaft by hand.
    8. Fig 5: Installing Oil Pump Screen Into Pump Body
    GM5280Courtesy of GENERAL MOTORS CORP.
  8. Install the oil pump screen.
    1. If removed, replace the oil pump screen. The oil pump screen must have a good press fit into the oil pump body.
    2. Mount the oil pump in a soft jawed vise.
    3. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent, to the end of the oil pump screen pipe.
    4. Use the J 21882:  installer and a soft-faced hammer in order to tap the oil pump screen into the pump body.

      The oil pump screen must align parallel with the bottom of the oil pan when the oil pan is installed.

    9. Fig 6: View Of Oil Pump Driveshaft & Oil Pump Driveshaft Retainer
    GM5274Courtesy of GENERAL MOTORS CORP.
    NOTE: Install a NEW oil pump driveshaft retainer during assembly.
  9. Install the oil pump driveshaft and the NEW oil pump driveshaft retainer.
scientia non olet · About LEMON Manuals