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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1219 (Engine Mechanical - 4.2L 6-Cylinder (Unit Repair)) >> Repair Instructions >> Piston, Connecting Rod, and Bearing Removal

Piston, Connecting Rod, and Bearing Removal

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required  : J 41556  Connecting Rod Guides

  1. Mark the piston with the number of the cylinder from which the piston is being removed.
  2. Mark the connecting rod and the connecting rod cap with the cylinder position. Also mark the orientation. This will ensure the caps and connecting rods are re-assembled properly.
  3. Remove the connecting rod bolts.
  4. Remove the connecting rod cap and bearing half.
    5. Fig 1: Removing Connecting Rod Cap And Bearing Half
    G01706503Courtesy of GENERAL MOTORS CORP.
  5. Install J 41556 on the connecting rod.
    6. Fig 2: Installing J 41556 On Connecting Rod
    G01706504Courtesy of GENERAL MOTORS CORP.
  6. Remove the connecting rod and piston assembly. Push out the assembly.
    7. Fig 3: Removing Connecting Rod And Piston Assembly
    G01706505Courtesy of GENERAL MOTORS CORP.
  7. Remove J 41556.
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