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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 198 (Engine Mechanical - 3.6L (LF4) - Repair Instructions (3 Of 4)) >> 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. GM1316533
    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.

    Remove the piston rings (1, 2, 3, and 4) using a piston ring expander. Place each ring in a clean shop towel for storage.

  2. GM1467767
  3. GM1210796
    NOTE:
    • The connecting rod is non-directional and may be assembled/reassembled to the piston in either direction.
    • DO NOT reuse the piston pin retainers.

    Using the EN-46745  Piston Pin Clip Remover/Installer, remove the piston pin retainers by using the removal access notch (1) in the side of the piston (3). DISCARD the piston pin retainers (1).

  4. Slide the piston pin (2) out of the piston (3). The piston will disconnect from the connecting rod (4).
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