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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 >> Off-Vehicle Repair Instructions >> Piston, Connecting Rod, and Bearing Installation >> Tools Required

Tools Required

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. Position the crankshaft so the connecting rod journal is opposite the piston and connecting rod assembly being installed. This will aid in the installation of the connecting rod assembly.
  2. Lubricate the cylinder wall with engine oil.
  3. Install the connecting rod bearing inserts.
  4. Lubricate the connecting rod bearing insert surface with engine oil.
  5. Install J 41507  to the connecting rod. Hand tighten the tool to the connecting rod.
  6. Install J 8037  to the piston.
    Fig 1: Installing Connecting Rod Guide Assembly To Connecting Rod
    G02083882Courtesy of GENERAL MOTORS CORP.
    NOTE: Guide the lower connecting rod end carefully to avoid damaging the crankshaft journal.
  7. Use J 8037  to compress the piston rings for installation of the piston and connecting rod assembly.
  8. Install the piston and connecting rod assembly into the engine.

    Important:  Ensure the arrow on top of the piston or the markings made during removal face towards the front of the engine or are in the same location as when removed.

  9. Use J 41507  to pull the connecting rod into place.
  10. Remove J 41507  .
    Fig 2: Compressing Piston Rings For Installation Of Piston
    G02083883Courtesy of GENERAL MOTORS CORP.
  11. Install the connecting rod bearing cap.
    NOTE: Refer to SPECIAL FASTENER NOTICE in Cautions and Notices.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  12. Install the connecting rod bearing cap bolts.

    Tighten 

    Tighten the connecting rod bearing cap bolts to 27 N.m (20 lb ft) + 50 degrees using J 36660-A  .

  13. Pry the connecting rod back and forth and check for binding. If necessary loosen and retighten the connecting rod bearing cap.
    Fig 3: Installing Connecting Rod Bearing Cap
    G02083884Courtesy of GENERAL MOTORS CORP.
  14. Measure the connecting rod side clearance.
    Fig 4: Measuring Connecting Rod Side Clearance
    G02083885Courtesy of GENERAL MOTORS CORP.
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