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Home >> Chevrolet >> 2021 >> Blazer RS, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 2.0L (LSY)) >> Repair Instructions >> Piston and Connecting Rod Overhaul >> Disassemble Procedure

Disassemble Procedure

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  1. GM2189594Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    You must use a piston ring expander to remove and install the piston rings. Only expand the rings far enough to fit over the piston lands. If the rings are overexpanded, the top ring will shatter and the others will distort.

    Using a piston ring pliers (1), remove the piston rings.

  2. GM5030392Courtesy of GENERAL MOTORS COMPANY

    The piston rings are ordered as followed:

    • Upper compression ring (1)
    • Lower compression ring (2)
    • Oil ring (3)
  3. GM5366787Courtesy of GENERAL MOTORS COMPANY

    Install the EN-46745  Piston Pin Clip Remover/Installer (5) to remove the 2 piston pin retainers (1).

  4. Piston Pin (2) - Remove
  5. Connecting Rod (4) @ Piston (3) - Remove