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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Mechanical - 8.1L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Piston and Connecting Rod Disassemble

Piston and Connecting Rod Disassemble

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    Fig 1: Exploded View Of Piston
    GM1523846Courtesy of GENERAL MOTORS CORP.
  1. Remove the connecting rod bearings (118) from the rod (119) and cap (117).
    2. Fig 2: Removing/Installing Piston Rings
    GM490763Courtesy of GENERAL MOTORS CORP.
  2. Using piston ring pliers, remove the piston rings from the piston.
    3. Fig 3: View Of Piston Pin Retaining Clip & Cutout Area Of Pin Bore
    GM1366364Courtesy of GENERAL MOTORS CORP.
  3. Rotate the piston pin retainers until the retainer end gap is positioned in the cutout area (1) of the pin bore.
    4. Fig 4: Piston Pin Retaining Clips
    GM1366368Courtesy of GENERAL MOTORS CORP.
  4. Remove the retainers starting in the cutout area of the pin bore.
    5. Fig 5: View Of Piston Pin, Piston, Clips & Connecting Rod
    GM35866Courtesy of GENERAL MOTORS CORP.
  5. Remove the pin from the piston and connecting rod.
  6. The piston and pin are a matched set and are not to be serviced separately. Mark, sort or organize the piston and matching piston pin.
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