Manual:HUMMER H3 Alpha 2010Page:00373318 / 37163

Piston and Connecting Rod Disassemble

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Piston, Connecting Rod & Bearing Assembly
    GM1552501Courtesy of GENERAL MOTORS CORP.
  1. Remove the connecting rod bearings from the rod and cap.
    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: Cutout Area Of Pin Bore
    GM1366364Courtesy of GENERAL MOTORS CORP.
  3. Rotate the piston pin retainers until the ring end gaps are positioned in the cutout area (1) of the pin bore.
    4. Fig 4: Removing Piston Pin Retainer
    GM1559866Courtesy of GENERAL MOTORS CORP.
  4. Remove the retainers starting in the cutout area of the pin bore.
    5. Fig 5: Piston Pin, Piston & Connecting Rod
    GM1559867Courtesy 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 the matching piston pin.