Piston & Rod Assembly Service
- Before removing bearing caps, mark caps and rods with punch for reassembly reference. Measure connecting rod side play clearance with dial indicator. If clearance exceeds .012" (.3 mm), replace connecting rod and/or crankshaft.
- Using a connecting rod aligner, check rod for bends or twists. Maximum bend limit is .002" (.05 mm) in 3.94" (100 mm) length, or less. Maximum twist limit is .0059" (.15 mm) in 3.94" (100 mm) length, or less.
- Piston must be installed on connecting rod so that front mark on connecting rod aligns with FRONT mark on top of piston. See Fig 1. Number stamped on bearing cap indicates bearing size. See Figure.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002