Connecting Rod Bolt Inspection

2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Connecting Rod Bolt Inspection
WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.
  1. Measure the diameter of each connecting rod bolt at point A and point B with a micrometer.
    Fig 1: Measuring Diameter Of Connecting Rod Bolt
    G06429012Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Calculate the difference in diameter between point A and point B.

    Point A-Point B = Difference in DiameterΒ 

    Difference in Diameter:Β 

    Specification: 0-0.05 mm (0-0.002 in)Β 

  3. If the difference in diameter is out of tolerance, replace the connecting rod bolt.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.