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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 >> Removal Procedure

Removal 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.
  1. Remove the oil pan. Refer to Oil Pan Replacement .
  2. Remove the spark plug(s) from the cylinder(s) that is being serviced. Refer to SPARK PLUGS .
  3. Position the connecting rod to be serviced to Bottom Dead Center (BDC) by rotating the crankshaft.
  4. Remove the connecting rod cap bolts.
  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.
    Fig 1: Lower Connecting Rod Bearing & Cap
    G01703367Courtesy of GENERAL MOTORS CORP.
  7. Install the J 41507  to the connecting rod.
  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 CRANKSHAFT AND BEARINGS CLEANING AND INSPECTION .
  12. Measure the bearing clearance. Refer to CRANKSHAFT AND BEARINGS CLEANING AND INSPECTION .
    Fig 2: J 41507
    G01703368Courtesy of GENERAL MOTORS CORP.
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