Operation CHARM: Car repair manuals for everyone.

Cylinder Block Assembly: Specifications

Cylinder Block
Cylinder bore diameter 100.4 mm (3.953 inch)
Cylinder bore maximum taper 0.025 mm (0.001 inch)
Cylinder bore maximum out of round 0.025 mm (0.001 inch)
Main bearing bore inside diameter 60.620-60.634 mm (2.387-2.387 inch)
Head gasket surface flatness 0.1 mm (0.004 inch) overall
Crankshaft
Main bearing journal diameter 56.980-57.0 mm (2.243-2.244 inch)
Main bearing journal maximum taper 0.008 mm (0.0003 inch)
Main bearing journal maximum out of round 0.008 mm (0.0003 inch)
Main bearing journal to cylinder block clearance 0.008-0.062 mm (0.0003-0.0024 inch)
Connecting rod journal diameter 53.98-54.0 mm (2.125-2.126 inch)
Connecting rod journal maximum taper 0.008 mm (0.0003 inch)
Connecting rod journal maximum out of round 0.008 mm (0.0003 inch)
Crankshaft maximum endplay 0.05-0.32 mm (0.002-0.0126 inch)
Main Bearings
Clearance to crankshaft 0.021-0.039 mm (0.0008-0.0015 inch)
Clearance to crankshaft allowable 0.013-0.048 mm (0.0005-0.002 inch)
Bearing wall thickness 1.8-1.806 mm (0.0709-0.0711 inch)
Piston and Connecting Rod
Piston diameter coded standard 100.380-100.400 mm (3.952-3.9528 inch)
Piston diameter coded 0.5 100.880-100.900 mm (3.971-3.972 inch)
Piston diameter coded 1.0 101.350-101.370 mm (3.990-3.991 inch)
Piston to cylinder bore clearance 0.030-0.050 mm (0.0012-0.002 inch)
Piston ring end gap top 0.200-0.450 mm (0.008-0.018 inch)
Piston ring end gap bottom 0.40-0.60 mm (0.016-0.024 inch)
Piston ring groove width-top 1.23-1.25 mm (0.0484-0.0492 inch)
Piston ring groove width-bottom 1.52-1.54 mm (0.0598-0.0606 inch)
Piston ring groove width-oil ring 3.01-3.03 mm (0.1185-0.1193 inch)
Piston ring width top 1.175-1.190 mm (0.0463-0.0469 inch)
Piston ring width bottom 1.475-1.490 mm (0.0581-0.0587 inch)
Piston ring to groove clearance top 0.040-0.075 mm (0.0016-0.0030 inch)
Piston ring to groove clearance bottom 0.030-0.065 mm (0.0012-0.0026 inch)
Piston pin bore diameter 23.95823.976 mm (0.943-0.944 inch)
Piston pin diameter (red) 23.994-23.997 mm (0.9446-0.9448 inch)
Piston pin diameter (blue) 23.997-24.000 mm (0.9448-0.9449 inch)
Piston pin length 72.0-72.8 mm (2.835-2.866 inch)
Piston pin to piston fit 0.01-0.016 mm (0.0004-0.0006 inch)
Piston pin to connecting rod clearance 0.010.016 mm (0.0004-0.0006 inch)
Connecting rod pin bore diameter 23.958-23.976 mm (0.943-0.944 inch)
Connecting rod length (center to center) 145.965-146.035 mm (5.747-5.749 inch)
Connecting rod maximum allowed bend 0.038 mm (0.0005 inch) per 25.4 mm (1.000 inch)
Connecting rod maximum allowed twist 0.038 mm (0.0015 inch) per 25.4 mm (1.000 inch)
Connecting rod bearing bore diameter 56.82 mm-56.84 mm (2.237-2.238 inch)
Connecting rod bearing to crankshaft clearance 0.008-0.061 mm (0.0003-0.0024 inch)
Connecting rod side clearance 0.092-0.268 mm (0.0036-0.0106 inch)





Main bearing bolts

Tighten the bolts in the sequence shown to 35 Nm (26 ft. lbs.) and then rotate an additional 57 degrees.

Crankshaft pulley bolt
Stage 1: Tighten to 45 Nm (33 ft. lbs.)
Stage 2: Tighten an additional 85 degrees