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Home >> Toyota >> 1986 >> 4Runner Base, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 2.4L 4-CYL & 2.4L 4-CYL Turbo - VIN [R] >> Overhaul >> Connecting Rod Bearings

Connecting Rod Bearings

  1. Measure connecting rod bearing clearance using Plastigage method. Replace bearings or grind crankshaft if clearance is greater than .0031" (.078 mm).
  2. Regrind crankshaft to .010" (.25 mm) undersize if taper or out-of-round is greater than .0004" (.010 mm). Connecting rod journal diameter for undersize is 2.0748-2.0752" (52.699-52.710 mm).
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