System Specifications
Cylinder BlockHead gasket surface finish roughness height (CLA) 3.8-2.0 mm
Head gasket surface finish roughness height cut-off 0.8 mm
Dowel height chamfer 0.8 mm x 30 °
Dowel height chamfer total 12.5 mm
Cylinder bore diameter 84.8 mm
Piston to cylinder bore clearance 0.020-0.040 mm
Surface finish (RA) each bore min. 15-38 mm
Average of all bores of a cylinder block (Ra) min. 20-30 mm
Out-of-round limit 0.025 mm
Tappet limit 0.013 mm
Main bearing bore diameter @ ± 30°PF Bearing Cap P/L 62-2835-63.3145 mm
Main bearing bore diameter other than above 62.2935 ± 0.0100 mm
Crankshaft
Main bearing journal diameter 57.98-58.0 mm
Out-of-round limit 0.008 mm
Taper limit 0.008 mm per 25.4 mm
Journal runout limit (runout of bearing 2, 3, and 4) 0.05 mm
Crankshaft end play 0.100-0.300 mm
Surface finish (RMS) micro 0.3 mm
Clearance to crankshaft 0.020-0.065 mm
Thrust bearing journal length 28.825-28.854 mm
Connecting rod journal length 28.825-28.854 mm
Out-of-round limit 0.008 mm
Taper limit 0.008 per 25.4 mm
Surface limit (RMS) micro 0.6 rear
Surface limit (RMS) micro 0.9 front
Main bearing thrust face surface finish (RMS) micro 0.6 mm
Main bearing thrust face surface finish (RMS) rear micro 0.9 mm
Main bearing thrust face 0.025 surface finish (RMS) front runout limit 0.025 mm
Runout limit (T.I.R.) 0.180 mm
Flywheel ring (gear lateral runout (T.I.R.) manual transmission 1.5 mm
Main bearing bolts 99 Nm (73 ft. lbs.)
Connecting Rod
Connecting rod bearings clearance to crankshaft 0.020-0.065 mm
Bearing wall thickness (std.) 1.476-1.488 mm
Clearance of crankshaft without cylinder head desired - 0.0457-0.0660 mm
Clearance of crankshaft without cylinder head allowable - 0.0461-0.0859 mm
Clearance of crankshaft with cylinder head desired - 0.0279-0.0483 mm
Clearance of crankshaft with cylinder head allowable - 0.0276-0.0674 mm
Bearing wall thickness 2.117-2.129 mm
Connecting rod piston pin bore diameter 20.570-20.610 mm
Crankshaft bearing bore diameter 46.89-46.91 mm
Out-of-round limit - piston pin bore 0.008 mm
Taper limit piston pin bore 0.0038/25.4 mm
Length (center to center) 131.905-131.975 mm
Out-of-round-limit - bearing bore 0.010 mm
Taper limit - bearing bore 0.010 mm
Alignment bore-to-bore (max. differential) twist 0.05 mm
Alignment bore-to-bore (max. differential) bend 0.038 mm
Side clearance (assembled to crank) standard 0.092-0.268 mm
Side clearance (assembled to crank) service limit 0.356 mm
Pistons
Piston-to-bore clearance rebuild 0.020-0.040 mm
Piston-to-bore clearance service 0.020-0.070 mm
Piston diameter 84.77-84.80 mm
Pin bore diameter 20.632-20.641 mm
Ring groove width compression (top) 1.53-1.55 mm
Ring groove width compression (bottom) 1.53-1.55 mm
Ring groove width oil 4.008-4.032 mm
Ring groove width compression ring (top) to ring groove clearance 0.04-0.08 mm
Ring groove width compression ring (bottom) to ring groove clearance 0.06-0.09 mm
Squish height 0.908-1.858 mm
Piston pin length 66.2-67.0 mm
Diameter standard 20.622-20.631 mm
Pin to piston clearance 0.007-0.013 mm
Pin to rod clearance press fit - 8 KN
Pistons rings
Piston ring width compression (top) 1.47-1.49 mm
Ring width compression (bottom) 1.46-1.49 mm
Ring width oil ring service limit (Side clearance) 0.15 mm MAX.
Ring gap compression (top) 0.25-0.28 mm
Ring gap compression (bottom) 0.25-0.28 mm
Ring gap oil ring (steel rail) 0.04-1.68 mm
Side clearance 1st ring 0.04-0.08 mm
Side clearance 2nd ring 0.04-0.09 mm
Crankshaft pulley 120 Nm (89 ft. lbs.)