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Home >> Cadillac >> 2004 >> CTS Base, 3.2 N >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Engine Mechanical - 3.6L (Ly7) (Repair Procedures -- 3 Of 5)) >> Off-Vehicle Repair Instructions - Part 2 >> Piston, Connecting Rod, and Bearings Cleaning and Inspection >> Connecting Rod Visual Inspection Procedure

Connecting Rod Visual Inspection Procedure

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    Fig 1: Connecting Rod & Cap Inspection Points
    GM233855Courtesy of GENERAL MOTORS CORP.
  1. Inspect the piston pin bushing (4) for scoring or damage.
  2. Inspect the connecting rod beam (1) for twisting or bending.
  3. Inspect the rod cap (2) for any nicks or damage caused by possible interference.
  4. Inspect for scratches or abrasion on the rod bearing seating surface.
    5. IMPORTANT: DO NOT scrape the rod or rod cap.
  5. If the connecting rod bores contain minor scratches or abrasions, clean the bores in a circular direction with a light emery paper.
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