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6A – 76 ENGINE MECHANICAL 7) Apply plastigage to the crankshaft journal unit as shown in the illustration. 8) Install the main bearing caps. Apply engine oil to the bolt threads and the seats. Tighten the bolts Torque: 167 N·m (17 kg·m/123 lb ft) NOTE: Do not allow the crankshaft to rotate. 9) Remove the main bearing caps. 10) Measure the plastigage width and determine the oil clearance. If the oil clearance exceeds the 11) Clean the plastigage from the bearings and the crankshaft. Standard: 0.031 – 0.063 mm (0.0012 – 0.0025 in) 3. Run-out 1) Carefully set the crankshaft on the V-blocks. Slowly rotate the crankshaft and measure the Standard: 0.05 mm (0.0020 in) or less Measure the diameter and the uneven wear of Main journal diameter Standard: 69.917 – 69.932 mm (2.7526 – 2.7532 in) Crank pin diameter Standard: 52.915 – 52.930 mm (2.0833 – 2.0839 in) Uneven wear limit Standard: 0.05 mm (0.0020 in) or less 014RW055 014RW077 012RW068 |