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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1121 (Engine Mechanical - 3.4L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Piston and Connecting Rod Disassemble >> Disassembly Procedure

Disassembly Procedure

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Piston Rings
    GM909632Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: This procedure is to be used for oversized pistons only. Standard size pistons are supplied as an assembly consisting of a piston, piston pin, connecting rod and piston rings.
  1. Using piston ring pliers, remove the piston rings from the piston.
    2. Fig 2: Installing J 24086-310 Into J 24086-10
    GM688111Courtesy of GENERAL MOTORS CORP.
  2. Install fork insert J 24086-310 into fixture J 24086-10 piston pin remover/installer base, which are part of J 24086-C .
    3. Fig 3: View Of J 24086-107 & J 24086-88A
    GM533478Courtesy of GENERAL MOTORS CORP.
  3. Install the piston and connecting rod assembly onto J 24086-10.
  4. Install the J 24086-107 onto the piston pin and J 24086-88A through the fixture and onto J 24086-107, which are part of J 24086-C .
    5. Fig 4: View Of J 24086-88A
    GM533480Courtesy of GENERAL MOTORS CORP.
    NOTE: After the installer hub bottoms on the support assembly, do not exceed 35 000 kPa (5,000 psi) pressure, this could cause damage to the tool.
  5. Press the piston pin from the piston and connecting rod assembly.
  6. The piston and pin are a matched set and are not to be serviced separately. Mark, sort organize the piston and the matching piston pin.
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