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General Motors — Service Procedure

A General Motors service procedure — check it applies to your exact model before use.

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Before you start

  • On some 4.3L engines, the distance between rear main

Procedure

  1. Mark bearing caps for reassembly. Measure journal diameter, out-of-round, taper and
  2. Align thrust bearing surfaces, and measure crankshaft end play. See THRUST

Specs & torque values

  • bearings on these engines, use only .008" (.20 mm)
  • bearing thrust faces is .008" (.20 mm) wider than

Source: manual:1995 ENGINE 4.3L VIN W_text.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.