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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 157 (Engine Mechanical - 2.0L (LSY) - Repair Instructions (2 Of 3)) >> Repair Instructions >> Piston and Connecting Rod Overhaul >> Disassemble Procedure

Disassemble Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. GM2189594
    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. GM5030392

    The piston rings are ordered as followed:

    • Upper compression ring (1)
    • Lower compression ring (2)
    • Oil ring (3)
  3. GM5366787

    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
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