1UR-FE ENGINE MECHANICAL SERVICE DATA

ENGINE
Standard ignition timing

Terminal TC and CG of DLC3 connected

(Transmission in neutral and A/C switch off)

8 to 12° BTDC @ idle

Terminals TC and CG of DLC3 disconnected

(Transmission in neutral and A/C switch off)

7 to 24° BTDC @ idle

Standard idle speed

(Transmission in neutral and A/C switch off)

650 to 750 rpm
Compression Standard

1300 kPa (13.3 kgf/cm2, 189 psi) or higher

Minimum

1000 kPa (10.2 kgf/cm2, 145 psi)

Difference

100 kPa (1.0 kgf/cm2, 15 psi) or less

ENGINE UNIT
Cylinder head set bolt Outside diameter Standard 10.85 to 11.00 mm (0.427 to 0.433 in.)
Minimum 10.60 mm (0.417 in.)
Camshaft Circle runout Maximum 0.04 mm (0.00157 in.)
Cam lobe height Intake Standard 44.291 to 44.441 mm (1.744 to 1.750 in.)
Minimum 44.241 mm (1.742 in.)
Exhaust Standard 44.196 to 44.346 mm (1.740 to 1.746 in.)
Minimum 44.146 mm (1.738 in.)
Journal diameter No. 1 journal Standard 29.956 to 29.970 mm (1.1793 to 1.1799 in.)
Other journals 25.959 to 25.975 mm (1.0220 to 1.0226 in.)
Timing chain No. 1 chain Chain elongation Maximum 136.9 mm (5.39 in.)
No. 2 chain 137.6 mm (5.42 in.)
Sprocket diameter (w/ chain) Crankshaft timing sprocket RH Minimum 61.4 mm (2.42 in.)
Crankshaft timing sprocket LH 61.4 mm (2.42 in.)
No. 2 chain tensioner Depth Maximum 0.9 mm (0.0354 in.)
No. 3 chain tensioner 0.9 mm (0.0354 in.)
Chain tensioner slipper 1.0 mm (0.0394 in.)
No. 1 chain vibration damper 1.0 mm (0.0394 in.)
Exhaust manifold Maximum warpage 0.7 mm (0.0276 in.)
Ring pin Protrusion height Ring pin A 7.5 to 8.5 mm (0.295 to 0.335 in.)
Ring pin B 3.6 to 4.6 mm (0.142 to 0.181 in.)
CYLINDER HEAD
Camshaft oil clearance No. 1 journal Standard 0.030 to 0.065 mm (0.00118 to 0.00256 in.)
Maximum 0.10 mm (0.00394 in.)
Other journals Standard 0.025 to 0.062 mm (0.000984 to 0.00244 in.)
Maximum 0.09 mm (0.00354 in.)
Camshaft thrust clearance Standard 0.08 to 0.135 mm (0.00315 to 0.00531 in.)
Maximum 0.15 mm (0.00591 in.)
Compression spring Free length Standard 51.59 mm (2.03 in.)
Deviation Maximum 1.0 mm (0.0394 in.)
Angle (reference) Maximum
Intake valve Valve stem diameter Standard 5.470 to 5.485 mm (0.215 to 0.216 in.)
Margin thickness Standard 1.25 mm (0.0492 in.)
Minimum 0.50 mm (0.0197 in.)
Overall length Standard 105.85 mm (4.17 in.)
Minimum 105.35 mm (4.15 in.)
Width Standard 1.1 to 1.5 mm (0.0433 to 0.0591 in.)
Exhaust valve Valve stem diameter Standard 5.465 to 5.480 mm (0.215 to 0.216 in.)
Margin thickness Standard 1.4 mm (0.0551 in.)
Minimum 0.50 mm (0.0197 in.)
Overall length Standard 110.40 mm (4.35 in.)
Minimum 109.90 mm (4.33 in.)
Width Standard 1.1 to 1.5 mm (0.0433 to 0.0591 in.)
Valve guide bush Bush inside diameter Standard 5.51 to 5.53 mm (0.217 to 0.218 in.)
Valve guide bush oil clearance Intake Standard 0.025 to 0.060 mm (0.000984 to 0.00236 in.)
Maximum 0.08 mm (0.00315 in.)
Exhaust Standard 0.030 to 0.065 mm (0.00118 to 0.00256 in.)
Maximum 0.10 mm (0.00394 in.)
Cylinder head warpage Cylinder block side Standard 0.05 mm (0.00197 in.)
Intake manifold side 0.08 mm (0.00315 in.)
Exhaust manifold side 0.05 mm (0.00197 in.)
- Maximum 0.10 mm (0.00394 in.)
Intake valve guide bush Standard cylinder head inside diameter STD 10.285 to 10.306 mm (0.4049 to 0.4057 in.)
O/S 0.05 10.335 to 10.356 mm (0.4069 to 0.4077 in.)
New valve guide bush STD 10.333 to 10.344 mm (0.4068 to 0.4072 in.)
O/S 0.05 10.383 to 10.394 mm (0.4088 to 0.4092 in.)
Protrusion height Standard 14.3 to 14.7 mm (0.563 to 0.579 in.)
Oil clearance Standard 0.025 to 0.060 mm (0.000984 to 0.00236 in.)
Exhaust valve guide bush Standard cylinder head inside diameter STD 10.285 to 10.306 mm (0.4049 to 0.4057 in.)
O/S 0.05 10.335 to 10.356 mm (0.4069 to 0.4077 in.)
New valve guide bush STD 10.333 to 10.344 mm (0.4068 to 0.4072 in.)
O/S 0.05 10.383 to 10.394 mm (0.4088 to 0.4092 in.)
Protrusion height Standard 14.3 to 14.7 mm (0.563 to 0.579 in.)
Oil clearance Standard 0.030 to 0.065 mm (0.00118 to 0.00256 in.)
Ring pin Protrusion height Ring pin A 5.5 to 6.5 mm (0.217 to 0.256 in.)
Ring pin B 3.5 to 6.5 mm (0.138 to 0.256 in.)
CYLINDER BLOCK
Connecting rod Thrust clearance Standard 0.15 to 0.55 mm (0.00591 to 0.0217 in.)
Maximum 0.70 mm (0.0276 in.)
Oil clearance Standard 0.025 to 0.050 mm (0.000984 to 0.00197 in.)
Maximum 0.070 mm (0.00276 in.)
Standard sized bearing center wall thickness Mark 2 1.489 to 1.492 mm (0.0586 to 0.0587 in.)
Mark 3 1.492 to 1.495 mm (0.0587 to 0.0589 in.)
Mark 4 1.495 to 1.498 mm (0.0589 to 0.0590 in.)
Mark 5 1.498 to 1.501 mm (0.0590 to 0.0591 in.)
Mark 6 1.501 to 1.504 mm (0.0591 to 0.0592 in.)
Mark 7 1.504 to 1.507 mm (0.0592 to 0.0593 in.)
Connecting rod big end inside diameter Mark 1 56.000 to 56.006 mm (2.20472 to 2.20496 in.)
Mark 2 56.006 to 56.012 mm (2.20496 to 2.20519 in.)
Mark 3 56.012 to 56.018 mm (2.20519 to 2.20543 in.)
Mark 4 56.018 to 56.024 mm (2.20543 to 2.20566 in.)
Bend Maximum 0.05 mm (0.00197 in.) per 100 mm (3.94 in.)
Twist Maximum 0.15 mm (0.00591 in.) per 100 mm (3.94 in.)
Crankshaft pin Diameter Mark 1 52.994 to 53.000 mm (2.08637 to 2.08661 in.)
Mark 2 52.988 to 52.994 mm (2.08614 to 2.08637 in.)
Mark 3 52.982 to 52.988 mm (2.08590 to 2.08614 in.)
Cylinder block Warpage Maximum 0.07 mm (0.00276 in.)
Cylinder bore Standard diameter 94.000 to 94.012 mm (3.700 to 3.701 in.)
Maximum diameter 94.200 mm (3.709 in.)
Piston ring Standard ring groove clearance No. 1 compression ring 0.020 to 0.070 mm (0.000787 to 0.00276 in.)
No. 2 compression ring 0.020 to 0.060 mm (0.000787 to 0.00236 in.)
Oil ring 0.070 to 0.145 mm (0.00276 to 0.00571 in.)
End gap Standard No. 1 compression ring 0.22 to 0.32 mm (0.00866 to 0.0126 in.)
No. 2 compression ring 0.35 to 0.45 mm (0.0138 to 0.0177 in.)
Oil ring (Side rail) 0.10 to 0.40 mm (0.00394 to 0.0157 in.)
Maximum No. 1 compression ring 0.42 mm (0.0165 in.)
No. 2 compression ring 0.55 mm (0.0217 in.)
Oil ring (Side rail) 0.45 mm (0.0177 in.)
Piston Diameter Standard 93.980 to 93.990 mm (3.7000 to 3.7004 in.)
Minimum 93.815 mm (3.6935 in.)
Oil clearance Standard 0.010 to 0.032 mm (0.000394 to 0.001260 in.)
Maximum 0.385 mm (0.0152 in.)
Piston pin Standard piston pin hole inside diameter Mark A 21.998 to 22.001 mm (0.86606 to 0.86618 in.)
Mark B 22.001 to 22.004 mm (0.86618 to 0.86630 in.)
Mark C 22.004 to 22.007 mm (0.86630 to 0.86642 in.)
Standard piston pin diameter Mark A 21.998 to 22.001 mm (0.86606 to 0.86618 in.)
Mark B 22.001 to 22.004 mm (0.86618 to 0.86630 in.)
Mark C 22.004 to 22.007 mm (0.86630 to 0.86642 in.)
Oil clearance Standard -0.002 to 0.004 mm (-0.0000787 to 0.000157 in.)
Maximum 0.015 mm (0.000591 in.)
Connecting rod bush Standard bush inside diameter Mark A 22.005 to 22.008 mm (0.86634 to 0.86645 in.)
Mark B 22.008 to 22.011 mm (0.86645 to 0.86657 in.)
Mark C 22.011 to 22.014 mm (0.86657 to 0.86669 in.)
Oil clearance Standard 0.005 to 0.011 mm (0.000197 to 0.000433 in.)
Maximum 0.03 mm (0.00118 in.)
Crankshaft Thrust clearance Standard 0.020 to 0.220 mm (0.000787 to 0.00866 in.)
Maximum 0.30 mm (0.0118 in.)
Thrust washer thickness Standard 2.44 to 2.49 mm (0.0961 to 0.0980 in.)
Circle runout Maximum 0.06 mm (0.00236 in.)
Main journal Standard diameter 66.988 to 67.000 mm (2.6373 to 2.6378 in.)
Maximum taper and out-of-round 0.02 mm (0.000787 in.)
Crank pin Standard diameter 52.982 to 53.000 mm (2.0859 to 2.0866 in.)
Maximum taper and out-of-round 0.02 mm (0.000787 in.)
Oil clearance No. 1 and No. 5 journals Standard 0.017 to 0.030 mm (0.000669 to 0.00118 in.)
Maximum 0.050 mm (0.00197 in.)
Other journals Standard 0.024 to 0.037 mm (0.000945 to 0.00146 in.)
Maximum 0.060 mm (0.00236 in.)

Crankshaft journal bearing center wall thickness

(No. 1 and No. 5 journals)

Upper bearing 00 to 02 Mark 4 2.501 to 2.504 mm (0.0985 to 0.0986 in.)
03 to 05 Mark 5 2.504 to 2.507 mm (0.0986 to 0.0987 in.)
06 to 08 Mark 5 2.504 to 2.507 mm (0.0986 to 0.0987 in.)
09 to 11 Mark 6 2.507 to 2.510 mm (0.0987 to 0.0988 in.)
12 to 14 Mark 6 2.507 to 2.510 mm (0.0987 to 0.0988 in.)
15 to 17 Mark 7 2.510 to 2.513 mm (0.0988 to 0.0989 in.)
18 to 20 Mark 7 2.510 to 2.513 mm (0.0988 to 0.0989 in.)
21 to 23 Mark 8 2.513 to 2.516 mm (0.0989 to 0.0991 in.)
24 to 26 Mark 8 2.513 to 2.516 mm (0.0989 to 0.0991 in.)
27 to 28 Mark 9 2.516 to 2.519 mm (0.0991 to 0.0992 in.)
Lower bearing 00 to 02 Mark 5 2.488 to 2.491 mm (0.0980 to 0.0981 in.)
03 to 05 Mark 5 2.488 to 2.491 mm (0.0980 to 0.0981 in.)
06 to 08 Mark 6 2.491 to 2.494 mm (0.0981 to 0.0982 in.)
09 to 11 Mark 6 2.491 to 2.494 mm (0.0981 to 0.0982 in.)
12 to 14 Mark 7 2.494 to 2.497 mm (0.0982 to 0.0983 in.)
15 to 17 Mark 7 2.494 to 2.497 mm (0.0982 to 0.0983 in.)
18 to 20 Mark 8 2.497 to 2.500 mm (0.0983 to 0.0984 in.)
21 to 23 Mark 8 2.497 to 2.500 mm (0.0983 to 0.0984 in.)
24 to 26 Mark 9 2.500 to 2.503 mm (0.0984 to 0.0985 in.)
27 to 28 Mark 9 2.500 to 2.503 mm (0.0984 to 0.0985 in.)

Crankshaft journal bearing center wall thickness

(Other journals)

Upper bearing 00 to 02 Mark 3 2.482 to 2.485 mm (0.0977 to 0.0978 in.)
03 to 05 Mark 4 2.485 to 2.488 mm (0.0978 to 0.0980 in.)
06 to 08 Mark 4 2.485 to 2.488 mm (0.0978 to 0.0980 in.)
09 to 11 Mark 5 2.488 to 2.491 mm (0.0980 to 0.0981 in.)
12 to 14 Mark 5 2.488 to 2.491 mm (0.0980 to 0.0981 in.)
15 to 17 Mark 6 2.491 to 2.494 mm (0.0981 to 0.0982 in.)
18 to 20 Mark 6 2.491 to 2.494 mm (0.0981 to 0.0982 in.)
21 to 23 Mark 7 2.494 to 2.497 mm (0.0982 to 0.0983 in.)
24 to 26 Mark 7 2.494 to 2.497 mm (0.0982 to 0.0983 in.)
27 to 28 Mark 8 2.497 to 2.500 mm (0.0983 to 0.0984 in.)
Lower bearing 00 to 02 Mark 4 2.501 to 2.504 mm (0.0985 to 0.0986 in.)
03 to 05 Mark 4 2.501 to 2.504 mm (0.0985 to 0.0986 in.)
06 to 08 Mark 5 2.504 to 2.507 mm (0.0986 to 0.0987 in.)
09 to 11 Mark 5 2.504 to 2.507 mm (0.0986 to 0.0987 in.)
12 to 14 Mark 6 2.507 to 2.510 mm (0.0987 to 0.0988 in.)
15 to 17 Mark 6 2.507 to 2.510 mm (0.0987 to 0.0988 in.)
18 to 20 Mark 7 2.510 to 2.513 mm (0.0988 to 0.0989 in.)
21 to 23 Mark 7 2.510 to 2.513 mm (0.0988 to 0.0989 in.)
24 to 26 Mark 8 2.513 to 2.516 mm (0.0989 to 0.0991 in.)
27 to 28 Mark 8 2.513 to 2.516 mm (0.0989 to 0.0991 in.)
Connecting rod bolt Diameter Standard 8.5 to 8.6 mm (0.335 to 0.339 in.)
Minimum 8.3 mm (0.327 in.)
Crankshaft bearing cap set bolt Diameter Bolt A Standard 10.5 to 11.0 mm (0.413 to 0.433 in.)
Minimum 10.4 mm (0.409 in.)
Bolt B Standard 9.5 to 10.0 mm (0.374 to 0.394 in.)
Minimum 9.4 mm (0.370 in.)
Straight pin Protrusion height Pin A 22 to 24 mm (0.866 to 0.945 in.)
Pin B 10.5 to 11.5 mm (0.413 to 0.453 in.)
Pin C 8.0 to 10.0 mm (0.315 to 0.394 in.)
Pin D 5.0 to 7.0 mm (0.197 to 0.276 in.)
Crankshaft bearing Bearing cap's edge and the lower bearing's edge Dimension A - B or B - A 0 to 0.7 mm (0 to 0.0276 in.)
Connecting rod bearing connecting rod's and bearing cap's edges Dimension A - B or B - A 0 to 0.7 mm (0 to 0.0276 in.)