System Specifications
Cylinder BlockDistortion
Measure the distortion of the cylinder block top surface in six directions as indicated in the figure.
Cylinder head gasket contact surfaces distortion.
(Maximum) 0.10 mm (0.004 in)
Cylinder Bores
Measure the cylinder bores in X and Y directions at 42 mm (1.65 in) below the top surface.
Cylinder Bore Diameter
(Standard) 87.500-87.530 mm (3.4449-3.4460 In)
Minimum / maximum
bore diameter limit 87.440-87.590 mm (3.4425-3.4484 In)
Main bearing
Main bearing size
STD: 2.506-2.509 mm (0.0987-0.0988 in)
OSO.25: 2.628-2.634 mm (0.1034-0.1037 in)
Main Bearing Cap Assembly Note
1. Install the main bearing caps in the order indicated in the figure.
2. Tighten the main bearing cap bolts using the SST (49 D032 316).
Tightening torque
Plastic region tightening bolt
(Bolt stem length 110 mm)
Standard: 110.0-110.6 (4.33-4.35)
Maximum: 111.3 (4.38)
(1) 44 46 N-m (4.5-4.6 kgf-m, 32.5-33.9 ft-lbt)
(2) 175°-185°
Elastic region tightening bolt
(Bolt stem length 104 mm)
(1) Apply engine oil to all bolts.
(2) 3-7 N-m (30.6-71.3 kgf-cm, 26.6-61.9 in-lbt)
(3) 23-27 N-m (2.4-2.7 kgf-m, 17-19.9 ft-lbt)
(4) 38-42 N-m (3.9-4.2 kgf-m, 28.1-30.9 ft-lbt)
(5) Loosen all the bolts. (no remaining torque.)
(6) 3-7 N-m (30.6-71.3 kgf-cm, 26.6-61.9 in-lbt)
(7) 18-22 N-m (1.9-2.2 kgf-m, 13.3-16.2 ft-lbt)
(8) 87.5°-92.5°
Crankshaft
Crankshaft end play (Standard) 0.22-0.45 mm (0.0087-0.0177 in)
Crankshaft end play (Maximum) 0.55 mm (0.0216 in)
Crankshaft runout (Maximum) H 0.05 mm (0.0019 in)
Main journal bearing size
STD: 51.980-52.000 mm (2.0464-2.0472 in)
USO.25: 51.730-51.750 mm (2.0366-2.0373 in)
Main journal out of round
(Maximum) 0.05 mm (0.0019 in)
Crank pin journal diameter [LF]
STD: 46.980-47.000 mm (1.8497-1.8503 in)
USO.25: 46.730-46.750 mm (1.8398-1.8405 in)
Crank pin journal diameter [L3]
STD: 49.980-50.000 mm (1.9677-1.9685 in)
USO.25: 49.730-49.750 mm (1.9579-1.9586 in)
Crank pin out of round
(Maximum) (0.05 mm (0.0019 in)
Main journal oil clearance
(Standard) 0.019-0.035 mm (0.0007-0.0013 in)
(Maximum) 0.10 mm (0.0039 in)
Connecting Rod
Connecting rod side clearance
(Standard) 0.14-0.36 mm (0.0056-0.0141 in)
(Maximum) 0.435 mm (0.0172 in)
Connecting rod bolt Length
Standard: 44.7-45.3 (1.75-1.781
Maximum: 46.0 (1.81)
Connecting rod bearing oil clearance
(Standard) 0.026-0.052 mm (0.0011-0.0020 In)
(Maximum) 0.1 mm (0.0039 in)
Connecting rod bearing size [LF]
STD: 1.498-1.504 mm (0.0589--0.0592 In)
OSO.25: 1.623-1.629 mm (0.0639-0.0641 In)
Connecting rod bearing size [L3]
STD: 1.496-1.502 mm (0.0589-0.0591 in)
OSO.25: 1.621-1.627 mm (0.0639-0.0641 in)
Tightening torque
Tighten the connecting rod bolts in two steps using the SST (49 D032 316).
(1) 26-32 N-m (2.7-3.2 kgf-m, 19.2-23.6 ft-lbf)
(2) 80°-100°
Piston
Piston Diameter
(Standard) 87.465-87.495 mm (3.4435-3.4446 in)
Piston-to-cylinder clearance
(Standard) 0.025-0.045 mm (0.0010-0.0017 in)
(Maximum) 0.11 mm (0.0043 in)
Piston ring-to-ring groove clearance (Standard)
Top: 0.03-0.08 mm (0.0012-0.0031 in)
Second: 0.03-0.07 mm (0.0012-0.0027 in)
Oil: 0.03-0.07 mm (0.0012-0.0027 in)
Piston ring-to-ring groove clearance (Maximum)
Top: 0.17 mm (0.0067 in)
Second, Oil: 0.15 mm (0.0059 in)
Piston end gap (Standard)
Top: 0.16-0.31 mm (0.0063-0.0122 in)
Second: 0.33-0.48 mm (0.01 30-0.0189 in)
Oil (rail): 0.20-0.70 mm (0.0079--0.0275 in)
Piston end gap (Maximum)
All 1.0 mm (0.0393 in)
Crankshaft Pulley
Tighten the crankshaft pulley lock bolt in the order shown following two steps using the SST (49 D032 316).
(1) Tighten 96-104 N-m (9.8-10.6 kgf-m, 70.9-76.7 ft-lbf)
(2) Tighten 87°-93°