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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Engine Mechanical - 2.8L (LWN) Diesel) >> Repair Instructions - Off Vehicle >> Piston, Connecting Rod, and Bearing Installation >> Micrometer Method

Micrometer Method

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the connecting rod caps and tighten the cap bolts to specification.
  2. Measure the connecting rod large end bore inside diameter in several places, 90 degrees apart, and average the measurements.
  3. Measure the crankshaft pin diameter in several places, 90 degrees apart, and average the measurements.
  4. Select the correct crankshaft bearings. Crankshaft Bearing Selection Specifications 
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