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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1224 (Engine Mechanical - 3.8L (On-Vehicle)) >> Repair Instructions >> Connecting Rod Bearing Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
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: Make sure that the connecting rod cap bolt holes and the connecting rod cap mating surfaces are clean and dry.
  1. Dip the connecting rod cap bolts in clean engine oil.
  2. Use clean engine oil in order to lubricate the bearing surface.
  3. Install the upper connecting rod bearing.
  4. Use the J 41507,  in order to pull down the piston, connecting rod and upper connecting rod bearing.
  5. Remove the J 41507. 
    Fig 1: J 41507
    G01703369Courtesy of GENERAL MOTORS CORP.
  6. Install the lower connecting rod bearing to the connecting rod cap.
  7. Install the connecting rod cap.
    NOTE: Refer to FASTENER NOTICE .
  8. Install the connecting rod cap bolts.

    Tighten 

    Tighten the connecting rod cap bolts to 27 N.m (20 lb ft). Use the J 36660-A  in order to rotate the connecting rod cap bolts an additional 50 degrees.

  9. Pry the connecting rod back and forth in order to check for binding. If necessary, loosen and then retighten the connecting rod cap bolts.
    Fig 2: Lower Connecting Rod Bearing & Cap
    G01703370Courtesy of GENERAL MOTORS CORP.
  10. Measure the connecting rod side clearance. Refer to ENGINE MECHANICAL SPECIFICATIONS .
  11. Install the spark plug(s) to the cylinder(s). Refer to SPARK PLUGS .
  12. Install the oil pan. Refer to Oil Pan Replacement .
  13. Inspect for proper oil pressure.
  14. Inspect for leaks.
    Fig 3: Measuring Connecting Rod Side Clearance
    G01703371Courtesy of GENERAL MOTORS CORP.