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Home >> Chevrolet >> 2002 >> Impala Police >> Repair and Diagnosis >> External Pages >> Different car >> Section 567 (Engine Mechanical - 3.4L V6 - VIN (E) (La1)) >> Repair Instructions >> On-Vehicle Repair instructions >> Connecting Rod Bearing Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 Chevrolet Monte Carlo and 2003 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Connecting Rod Cap, Nuts & Lower Connecting Rod Bearing
    GM96339Courtesy of GENERAL MOTORS CORP.
    NOTE: Do not scrape, shim, or file bearing inserts. If the bearing surface of the insert is touched with bare fingers, the skin oil and acids will etch the bearing surface.
    IMPORTANT: Ensure that the connecting rod cap bolt holes and the connecting rod cap mating surfaces are clean and dry.
  1. Use clean engine oil in order to lubricate the bearing surface.
  2. Install the upper connecting rod bearing.
  3. Use the J 5239  to pull down the piston, the connecting rod and the upper connecting rod bearing. See Special Tools .
  4. Remove the J 5239  . See Special Tools .
  5. Install the lower connecting rod bearing to the connecting rod cap.
  6. Install the connecting rod cap.
    7. NOTE: Refer to Fastener Notice in Cautions and Notices.
  7. Install the connecting rod cap nuts.

    Tighten: 

    1. Tighten the nuts to 20 N.m (15 lb ft).
    2. Use the J 45059 to rotate the nuts an additional 75 degrees.

  8. Pry the connecting rod back and forth in order to check for binding. If necessary, loosen and then retighten the connecting rod cap nuts.
    9. Fig 2: Measuring Connecting Rod Side Clearance
    GM35206Courtesy of GENERAL MOTORS CORP.
  9. Measure the connecting rod side clearance. Refer to Engine Mechanical Specifications .
    10. Fig 3: Crankshaft Oil Deflector & Nuts
    GM105920Courtesy of GENERAL MOTORS CORP.
  10. Install the crankshaft oil deflector.
  11. Install the crankshaft oil deflector nuts.

    Tighten:  Tighten the nuts to 25 N.m (18 lb ft).

    12. Fig 4: Removing/Installing Oil Pump & Oil Pump Drive Shaft
    GM190530Courtesy of GENERAL MOTORS CORP.
  12. Install the oil pump driveshaft and the oil pump.
  13. Install the oil pump bolt.

    Tighten:  Tighten the bolt to 41 N.m (30 lb ft).

  14. Install the spark plugs to the cylinders that was serviced.
  15. Install the oil pan. Refer to Oil Pan Replacement .
  16. Inspect for proper oil pressure.
  17. Inspect for leaks.
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