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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 709 (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 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 plugs from the cylinders that is being serviced. Refer to SPARK PLUGS in Engine Performance - Removal and Installation.
  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: Removing Connecting Rod Cap And Lower Connecting Rod Bearing
    G02083692Courtesy 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 PISTON, CONNECTING ROD, AND BEARINGS CLEANING AND INSPECTION  .
  12. Measure the bearing clearance. Refer to ENGINE MECHANICAL SPECIFICATIONS  .
    Fig 2: Installing Connecting Rod Assembly Guide To Connecting Rod
    G02083693Courtesy of GENERAL MOTORS CORP.
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