Engine Mechanical (Service Specifications): Other

ENGINE UNIT

Cylinder head set bolt	Outside diameter	Standard		10.85 to 11.00 mm (0.427 to 0.433 in.)
Cylinder head set bolt	Outside diameter	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.)
		Intake	Minimum	44.241 mm (1.742 in.)
		Exhaust	Standard	44.196 to 44.346 mm (1.740 to 1.746 in.)
		Exhaust	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.)
	Journal diameter	Other journals	Standard	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.)
Timing chain	No. 2 chain	Chain elongation	Maximum	137.6 mm (5.42 in.)
Sprocket diameter (w/ chain)	Crankshaft timing sprocket RH	Minimum		61.4 mm (2.42 in.)
Sprocket diameter (w/ chain)	Crankshaft timing sprocket LH	Minimum		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	Protrusion height	Ring pin B		3.6 to 4.6 mm (0.142 to 0.181 in.)

ENGINE UNIT

CYLINDER HEAD

Camshaft oil clearance	No. 1 journal	Standard	0.030 to 0.065 mm (0.00118 to 0.00256 in.)
	No. 1 journal	Maximum	0.10 mm (0.00394 in.)
	Other journals	Standard	0.025 to 0.062 mm (0.000984 to 0.00244 in.)
	Other journals	Maximum	0.09 mm (0.00354 in.)
Camshaft thrust clearance	Standard		0.08 to 0.135 mm (0.00315 to 0.00531 in.)
Camshaft thrust clearance	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	2°
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.)
	Margin thickness	Minimum	0.50 mm (0.0197 in.)
	Overall length	Standard	105.85 mm (4.17 in.)
	Overall length	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.)
	Margin thickness	Minimum	0.50 mm (0.0197 in.)
	Overall length	Standard	110.40 mm (4.35 in.)
	Overall length	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.)
	Intake	Maximum	0.08 mm (0.00315 in.)
	Exhaust	Standard	0.030 to 0.065 mm (0.00118 to 0.00256 in.)
	Exhaust	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.)
	Standard cylinder head inside diameter	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.)
	New valve guide bush	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.)
	Standard cylinder head inside diameter	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.)
	New valve guide bush	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	Protrusion height	Ring pin B	3.5 to 6.5 mm (0.138 to 0.256 in.)

CYLINDER HEAD

CYLINDER BLOCK

Connecting rod	Thrust clearance	Standard		0.15 to 0.55 mm (0.00591 to 0.0217 in.)
	Thrust clearance	Maximum		0.70 mm (0.0276 in.)
	Oil clearance	Standard		0.025 to 0.050 mm (0.000984 to 0.00197 in.)
	Oil clearance	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.)
	Cylinder bore	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	0.23 to 0.33 mm (0.00906 to 0.0130 in.)
			No. 2 compression ring	0.40 to 0.50 mm (0.0157 to 0.0197 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.)
	Diameter	Minimum		93.815 mm (3.6935 in.)
	Oil clearance	Standard		0.010 to 0.032 mm (0.000394 to 0.001260 in.)
	Oil clearance	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.)
	Oil clearance	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.)
	Oil clearance	Maximum		0.03 mm (0.00118 in.)
Crankshaft	Thrust clearance	Standard		0.020 to 0.220 mm (0.000787 to 0.00866 in.)
	Thrust clearance	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.)
	Main journal	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.)
	Crank pin	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.)
		No. 1 and No. 5 journals	Maximum	0.050 mm (0.00197 in.)
		Other journals	Standard	0.024 to 0.037 mm (0.000945 to 0.00146 in.)
		Other journals	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 (0.0985 to 0.0986 in.)
		03 to 05	Mark 5	2.504 to 2.507 (0.0986 to 0.0987 in.)
		06 to 08	Mark 5	2.504 to 2.507 (0.0986 to 0.0987 in.)
		09 to 11	Mark 6	2.507 to 2.510 (0.0987 to 0.0988 in.)
		12 to 14	Mark 6	2.507 to 2.510 (0.0987 to 0.0988 in.)
		15 to 17	Mark 7	2.510 to 2.513 (0.0988 to 0.0989 in.)
		18 to 20	Mark 7	2.510 to 2.513 (0.0988 to 0.0989 in.)
		21 to 23	Mark 8	2.513 to 2.516 (0.0989 to 0.0991 in.)
		24 to 26	Mark 8	2.513 to 2.516 (0.0989 to 0.0991 in.)
		27 to 28	Mark 9	2.516 to 2.519 (0.0991 to 0.0992 in.)
	Lower bearing	00 to 02	Mark 5	2.488 to 2.491 (0.0980 to 0.0981 in.)
		03 to 05	Mark 5	2.488 to 2.491 (0.0980 to 0.0981 in.)
		06 to 08	Mark 6	2.491 to 2.494 (0.0981 to 0.0982 in.)
		09 to 11	Mark 6	2.491 to 2.494 (0.0981 to 0.0982 in.)
		12 to 14	Mark 7	2.494 to 2.497 (0.0982 to 0.0983 in.)
		15 to 17	Mark 7	2.494 to 2.497 (0.0982 to 0.0983 in.)
		18 to 20	Mark 8	2.497 to 2.500 (0.0983 to 0.0984 in.)
		21 to 23	Mark 8	2.497 to 2.500 (0.0983 to 0.0984 in.)
		24 to 26	Mark 9	2.500 to 2.503 (0.0984 to 0.0985 in.)
		27 to 28	Mark 9	2.500 to 2.503 (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 (0.0977 to 0.0978 in.)
		03 to 05	Mark 4	2.485 to 2.488 (0.0978 to 0.0980 in.)
		06 to 08	Mark 4	2.485 to 2.488 (0.0978 to 0.0980 in.)
		09 to 11	Mark 5	2.488 to 2.491 (0.0980 to 0.0981 in.)
		12 to 14	Mark 5	2.488 to 2.491 (0.0980 to 0.0981 in.)
		15 to 17	Mark 6	2.491 to 2.494 (0.0981 to 0.0982 in.)
		18 to 20	Mark 6	2.491 to 2.494 (0.0981 to 0.0982 in.)
		21 to 23	Mark 7	2.494 to 2.497 (0.0982 to 0.0983 in.)
		24 to 26	Mark 7	2.494 to 2.497 (0.0982 to 0.0983 in.)
		27 to 28	Mark 8	2.497 to 2.500 (0.0983 to 0.0984 in.)
	Lower bearing	00 to 02	Mark 4	2.501 to 2.504 (0.0985 to 0.0986 in.)
		03 to 05	Mark 4	2.501 to 2.504 (0.0985 to 0.0986 in.)
		06 to 08	Mark 5	2.504 to 2.507 (0.0986 to 0.0987 in.)
		09 to 11	Mark 5	2.504 to 2.507 (0.0986 to 0.0987 in.)
		12 to 14	Mark 6	2.507 to 2.510 (0.0987 to 0.0988 in.)
		15 to 17	Mark 6	2.507 to 2.510 (0.0987 to 0.0988 in.)
		18 to 20	Mark 7	2.510 to 2.513 (0.0988 to 0.0989 in.)
		21 to 23	Mark 7	2.510 to 2.513 (0.0988 to 0.0989 in.)
		24 to 26	Mark 8	2.513 to 2.516 (0.0989 to 0.0991 in.)
		27 to 28	Mark 8	2.513 to 2.516 (0.0989 to 0.0991 in.)
Connecting rod bolt	Diameter	Standard		8.5 to 8.6 mm (0.335 to 0.339 in.)
Connecting rod bolt	Diameter	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.)
		Bolt A	Minimum	10.4 mm (0.409 in.)
		Bolt B	Standard	9.5 to 10.0 mm (0.374 to 0.394 in.)
		Bolt B	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.)

CYLINDER BLOCK

CAMSHAFT

Part Tightened		N*m	Kgf*cm	Ft.*lbf
Camshaft housing sub-assembly LH x Cylinder head LH	For bolt A	10	102	7
Camshaft housing sub-assembly LH x Cylinder head LH	Except bolt A	30	306	22
Camshaft bearing cap LH x Camshaft housing sub-assembly LH		16	163	12
Camshaft housing sub-assembly RH x Cylinder head RH	For bolt A	10	102	7
Camshaft housing sub-assembly RH x Cylinder head RH	Except bolt A	30	306	22
Camshaft bearing cap RH x Camshaft housing sub-assembly RH		16	163	12
No. 2 chain tensioner assembly x No. 1 camshaft bearing cap RH		10	102	7
No. 1 chain vibration damper RH x Cylinder block and Cylinder head RH		21	214	15
No. 1 chain tensioner assembly RH x Cylinder head RH		10	102	7
No. 3 chain tensioner assembly x No. 2 camshaft bearing cap RH		10	102	7
No. 1 chain tensioner assembly LH x Cylinder head LH		10	102	7
No. 1 chain vibration damper LH x Cylinder block and Cylinder head LH		21	214	15
Camshaft timing gear assembly LH x No. 3 camshaft sub-assembly		100	1020	74
Camshaft timing exhaust gear assembly LH x No. 4 camshaft sub-assembly		100	1020	74
Camshaft timing gear assembly RH x No. 1 camshaft sub-assembly		100	1020	74
Camshaft timing exhaust gear assembly RH x No. 2 camshaft sub-assembly		100	1020	74

CAMSHAFT

CYLINDER HEAD GASKET

Part Tightened		N*m	Kgf*cm	Ft.*lbf
Cylinder head sub-assembly LH x Cylinder block (Cylinder head set bolt)	1st	36	367	27
	2nd	Turn 90°	Turn 90°	Turn 90°
	3rd	Turn 90°	Turn 90°	Turn 90°
Cylinder head sub-assembly LH x Cylinder block		21	214	15
Cylinder head sub-assembly RH x Cylinder block (Cylinder head set bolt)	1st	36	367	27
	2nd	Turn 90°	Turn 90°	Turn 90°
	3rd	Turn 90°	Turn 90°	Turn 90°
Cylinder head sub-assembly RH x Cylinder block		21	214	15

CYLINDER HEAD GASKET

Part Tightened		N*m	Kgf*cm	Ft.*lbf
Timing chain cover sub-assembly x Stud bolt		20	199	14
No. 1 oil pan sub-assembly x Stud bolt	For stud bolt A	5.0	51	44 in.*lbf
No. 1 oil pan sub-assembly x Stud bolt	For stud bolt B	9.0	92	80 in.*lbf
Oil drain pipe sub-assembly x Cylinder block		10	102	7
Engine rear oil seal retainer x Cylinder block		10	102	7
Oil pan strainer sub-assembly x No. 1 oil pan sub-assembly		12	122	9
No. 1 oil pan baffle plate x No. 1 oil pan sub-assembly		12	122	9
No. 1 oil pan sub-assembly x Cylinder block	For bolt A	10	102	7
	For bolt B	35	357	26
	For nut	35	357	26
No. 2 oil pan sub-assembly x No. 1 oil pan sub-assembly		10	102	7
No. 1 heat exchanger cover x Cylinder block	For bolt C	10	102	7
No. 1 heat exchanger cover x Cylinder block	For bolt A, bolt B and nut	21	214	15
Cylinder head cover spacer x Cylinder head cover sub-assembly LH and RH		10	102	7
Cylinder block water drain cock sub-assembly x Cylinder block		30	306	22
Water drain cock plug x Cylinder block water drain cock sub-assembly		13	130	9
Camshaft timing oil control valve assembly x Cylinder head sub-assembly LH and RH		10	102	7
Oil filler cap housing x Cylinder head cover sub-assembly LH		10	102	7
Noise filter x Cylinder head cover sub-assembly LH and RH		10	102	7
Ignition coil assembly x Cylinder head cover sub-assembly LH and RH		10	102	7
Engine wire x No. 1 heat exchanger cover		8.0	82	71 in.*lbf
Front No. 1 engine mounting bracket LH x Cylinder block		35	357	26
Front No. 1 engine mounting bracket RH x Cylinder block		35	357	26
No. 2 water by-pass pipe x EGR cooler and No. 2 EGR pipe sub-assembly		10	102	7
No. 3 air tube x Cylinder head cover sub-assembly RH		10	102	7
No. 4 air tube x Cylinder head cover sub-assembly LH		10	102	7
Air switching valve assembly x Cylinder head cover sub-assembly RH	For Bank 2	24	245	18
No. 3 air tube x Air switching valve assembly	For Bank 2	10	102	7
Wire harness clamp bracket x Cylinder head cover sub-assembly LH	For Bank 2	8.0	82	71 in.*lbf
Air switching valve assembly x Cylinder head cover sub-assembly LH	For Bank 1	24	245	18
No. 4 air tube x Air switching valve assembly	For Bank 1	10	102	7
Wire harness clamp bracket x Cylinder head cover sub-assembly RH	For Bank 1	8.0	82	71 in.*lbf
No. 2 fuel tube sub-assembly x Cylinder head cover sub-assembly LH		10	102	7

ENGINE UNIT

Part Tightened	N*m	Kgf*cm	Ft.*lbf
Cylinder head sub-assembly LH and RH x Stud bolt	9.0	92	80 in.*lbf
No. 2 straight screw plug x Cylinder head sub-assembly LH and RH	85	867	63
No. 1 straight screw plug x Cylinder head sub-assembly LH and RH	44	449	32

CYLINDER HEAD

Part Tightened			N*m	Kgf*cm	Ft.*lbf
Cylinder block x Stud bolt		For stud bolt A	20	199	14
Cylinder block x Stud bolt		For stud bolt B	9.0	92	80 in.*lbf
No. 1 oil nozzle sub-assembly x Cylinder block			10	102	7
Crankshaft bearing cap x Cylinder block	For inner position	1st	61	622	45
	For inner position	2nd	Turn 90°	Turn 90°	Turn 90°
	For outer position	1st	27	275	20
	For outer position	2nd	Turn 90°	Turn 90°	Turn 90°
Cylinder block x Crankshaft bearing cap			45	459	33
Connecting rod bearing x Connecting rod		1st	40	408	30
Connecting rod bearing x Connecting rod		2nd	Turn 90°	Turn 90°	Turn 90°

CYLINDER BLOCK

Engine Mechanical (Service Specifications): Other Lexus GX J150

ENGINE UNIT

CYLINDER HEAD

CYLINDER BLOCK

CAMSHAFT

CYLINDER HEAD GASKET

More articles — Engine Mechanical (Service Specifications)

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