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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1676 (Engine Mechanical - 3.8L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Connecting Rod Bearing Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the oil pan. Refer to OIL PAN REPLACEMENT  .
  2. Remove the spark plugs from the cylinders that is being serviced. Refer to SPARK PLUGS in Self-Diagnostics - 3.8L.
  3. Position the connecting rod to be serviced to bottom dead center (BDC) by rotating the crankshaft.
  4. Remove the connecting rod cap bolts.
    Fig 1: Removing Connecting Rod Cap, Bolts & Lower Connecting Rod Bearing
    G01969266Courtesy of GENERAL MOTORS CORP.
  5. Remove the connecting rod cap and lower connecting rod bearing.
    IMPORTANT: Keep the bearings with the original connecting rod and cap. Do this in order to reassemble the connecting rod.
  6. Remove the lower connecting rod bearing from the connecting rod cap.
  7. Install the J 41507 to the connecting rod.
    Fig 2: View Of J 41507 Installed On Connecting Rod
    G01969267Courtesy of GENERAL MOTORS CORP.
  8. Use the J 41507, in order to push up the connecting rod and piston and access the upper connecting rod bearing.
  9. Remove the upper connecting rod bearing.
  10. Wipe the oil from the bearings.
  11. Inspect the connecting rod bearings. Refer to PISTON, CONNECTING ROD, AND BEARINGS CLEANING AND INSPECTION  .
  12. Measure the bearing clearance. Refer to ENGINE MECHANICAL SPECIFICATIONS  .
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