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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1443 (Engine Mechanical - 4.2L (Ll8)) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Piston And Connecting Rod Disassemble >> Disassembly

Piston And Connecting Rod Disassemble: Disassembly

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Piston Rings & Piston Expander
    GM637689Courtesy of GENERAL MOTORS CORP.
    CAUTION: Handle the piston carefully. Worn piston rings are sharp and may cause bodily injury.
    IMPORTANT: Do not reuse the piston rings.
  1. Remove the piston rings using a piston ring expander.
    2. Fig 2: View Of Piston Pin Retaining Clips
    GM637736Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Two retainers hold the piston pins in place. Reuse the retainers if they are not damaged during removal.
  2. Remove the piston pin retaining clips.
    3. Fig 3: View Of Piston Pin & Connecting Rod
    GM637738Courtesy of GENERAL MOTORS CORP.
  3. Remove the piston pin.
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