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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 655 (Engine Mechanical - 5.7L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Piston, Connecting Rod, and Bearing Removal

Piston, Connecting Rod, and Bearing Removal

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required 

Important:  The connecting rods and the bearing caps are NOT interchangeable.

  1. Use the J 24270  in order to remove the cylinder bore ring ridge, if required.
    Fig 1: Removing Cylinder Ring Ridge
    G01970804Courtesy of GENERAL MOTORS CORP.
    1. 1.1. Turn the crankshaft until the piston is at the bottom of the stroke.
    2. 1.2. Place a cloth on top of the piston.
    3. 1.3. Use the J 24270  or equivalent in order to remove cylinder ring ridge.
    4. 1.4. Turn the crankshaft so the piston is at the top of the stroke.
    5. 1.5. Remove the cloth.
    6. 1.6. Remove the cutting debris from the cylinder and piston.

    Important:  Using a paint stick or etching tool, place matchmarks or numbers on the connecting rods and the connecting rod caps. The connecting rods and caps MUST be assembled to their original position and direction.

    A stamping mark on the side of the connecting rod at the crank journal may effect component geometry.

    Mark the top of the piston to the specific cylinder bore.

  2. Remove the connecting rod bolts.

    Important:  Mark, sort, or organize the connecting rod bearings so they may be installed to their original position and location.

  3. Remove the connecting rod cap. Refer to SEPARATING PARTS  .
    Fig 2: Removing Connecting Rod Cap
    G01970805Courtesy of GENERAL MOTORS CORP.
  4. Install the J 41556  to the connecting rod.
    Fig 3: Installing J 41556 To Connecting Rod
    G01970806Courtesy of GENERAL MOTORS CORP.
  5. Use a hammer and tap lightly on the end of the J 41556  in order to remove the piston and connecting rod assembly from the cylinder bore.
    Fig 4: Removing Piston & Connecting Rod Assembly
    G01970807Courtesy of GENERAL MOTORS CORP.
  6. Upon removal of the piston and connecting rod assembly, assemble the connecting rod cap and bolts onto the matching connecting rod.
    Fig 5: Assembling Connecting Rod Cap And Bolts Onto Matching Connecting Rod
    G01970808Courtesy of GENERAL MOTORS CORP.