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Home >> GMC >> 2021 >> Yukon XL AT4 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 5.3L (L84) Or 6.2L (L87) - Repair Instructions ( 2 Of 12) >> Repair Instructions >> Piston and Connecting Rod Overhaul >> Connecting Rod Visual Inspection Procedure

Connecting Rod Visual Inspection Procedure

  1. GM5366798Courtesy of GENERAL MOTORS COMPANY

    Inspect the piston pin bushing (3) 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. NOTE:

    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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