Engine Mechanical (1GR-FE) - Specifications: Other

SERVICE DATA

Ignition timing	Terminals TC and CG of DLC3 connected	10 ± 2° BTDC @ idle (Transmission in neutral position)
Ignition timing	Terminals TC and CG of DLC3 disconnected	7 - 24° BTDC @ idle (Transmission in neutral position)
Idle speed		700 ± 50 rpm (Transmission in neutral position)
Compression	Compression pressure	1.3 MPa (13.3 kgf/cm 2 , 189 psi) or more
	Minimum pressure	1.0 MPa (10.2 kgf/cm 2 , 145 psi)
	Difference between each cylinder	0.1 MPa (1.0 kgf/cm 2 , 15 psi) or less
Valve clearance
Intake	(cold)	0.15 - 0.25 mm (0.006 - 0.010 in.)
Exhaust		0.29 - 0.39 mm (0.011 - 0.015 in.)
Intake manifold
Intake air surge tank side warpage	Maximum	0.8 mm (0.031 in.)
Cylinder head side warpage		0.2 mm (0.008 in.)
Exhaust manifold
Warpage	Maximum	0.7 mm (0.028 in.)
Camshaft timing gear assy
Diameter (w/ chain)	Large gear	115.5 mm (4.547 in.)
Diameter (w/ chain)	Small gear	73.1 mm (2.878 in.)
Camshaft timing gear or sprocket
Diameter (w/ chain)		73.1 mm (2.878 in.)
Crankshaft timing gear or sprocket
Diameter (w/ chain)		61.0 mm (2.402 in.)
Idle gear No. 1
Diameter (w/ chain)		61.0 mm (2.402 in.)
Cylinder head set bolt
Outside diameter	Standard	10.85 - 11.00 mm (0.4272 - 0.4331 in.)
Outside diameter	Minimum	10.7 mm (0.421 in.)
Chain
Elongation	Maximum	146.8 mm (5.780 in.)
No. 2 chain
Elongation	Maximum	146.8 mm (5.780 in.)
Idle gear shaft
Idle gear shaft diameter		22.987 - 23.000 mm (0.9050 - 0.9055 in.)
Idle gear inside diameter		23.02 - 23.03 mm (0.9063 - 0.9067 in.)
Oil clearance	Standard	0.020 - 0.043 mm (0.0008 - 0.0017 in.)
Oil clearance	Maximum	0.093 mm (0.0037 in.)
Chain tensioner assy No. 2
Worn depth	Maximum	1.0 mm (0.039 in.)
Chain tensioner assy No. 3
Worn depth	Maximum	1.0 mm (0.039 in.)
Chain tensioner slipper
Worn depth	Maximum	1.0 mm (0.039 in.)
Chain vibration damper No. 1
Worn depth	Maximum	1.0 mm (0.039 in.)
Chain vibration damper No. 2
Worn depth	Maximum	1.0 mm (0.039 in.)
Cylinder head sub-assy
Warpage	Maximum	0.10 mm (0.0039 in.)
Intake valve
Valve stem diameter		5.470 - 5.485 mm (0.2154 - 0.2159 in.)
Valve face angle		44.5°
Margin thickness	Standard	1.0 mm (0.039 in.)
Margin thickness	Minimum	0.5 mm (0.020 in.)
Overall length	Standard	106.95 mm (4.2106 in.)
Overall length	Minimum	106.40 mm (4.1890 in.)
Exhaust valve
Valve stem diameter		5.465 - 5.480 mm (0.2152 - 0.2158 in.)
Valve face angle		44.5°
Margin thickness	Standard	1.0 mm (0.039 in.)
Margin thickness	Minimum	0.5 mm (0.020 in.)
Overall length	Standard	105.80 mm (41654 in.)
Overall length	Minimum	105.30 mm (4.1457 in.)
Inner compression spring
Deviation	Maximum	2.0 mm (0.079 in.)
Free length		47.80 mm (1.8819 in.)
Tension	At 33.3 mm (1.311 in.)	186.2 - 205.8 N (19.0 - 21.0 kgf, 41.9 - 46.3 lbf)
Intake valve guide bush
Inside diameter		5.51 - 5.53 mm (0.2169 - 0.2177 in.)
Oil clearance	Standard	0.025 - 0.060 mm (0.0010 - 0.0024 in.)
Oil clearance	Maximum	0.08 mm (0.0031 in.)
Bush bore diameter		10.295 - 10.315 mm (0.4053 - 0.4061 in.)
Protrusion height		9.3 - 9.7 mm (0.366 - 0.382 in.)
Exhaust valve guide bush
Inside diameter		5.51 - 5.53 mm (0.2169 - 0.2177 in.)
Oil clearance	Standard	0.030 - 0.065 mm (0.0012 - 0.0026 in.)
Oil clearance	Maximum	0.10 mm (0.0039 in.)
Bush bore diameter		10.295 - 10.315 mm (0.4053 - 0.4061 in.)
Protrusion height		9.3 - 9.7 mm (0.366 - 0.382 in.)
Valve lifter
Diameter		30.966 - 30976 mm (1.2191 - 1.2195 in.)
Lifter bore diameter		31.009 - 31.025 mm (1.2208 - 1.2215 in.)
Oil clearance	Standard	0.033 - 0.059 mm (0.0013 - 0.0023 in.)
Oil clearance	Maximum	0.08 mm (0.0031 in.)
No. 1 camshaft
Journal diameter	No. 1 journal	35.971 - 35.985 mm (1.4162 - 1.4167 in.)
Journal diameter	Other journals	22.959 - 22.975 mm (0.9039 - 0.9045 in.)
Circuit runout	Maximum	0.06 mm (0.0024 in.)
Cam lobe height	Standard	44.168 - 44.268 mm (1.7389 - 1.7428 in.)
Cam lobe height	Minimum	44.018 mm (1.7330 in.)
Oil clearance	Standard No. 1 journal	0.008 - 0.038 mm (0.0003 - 0.0015 in.)
	Other journals	0.025 - 0.062 mm (0.0010 - 0.0024 in.)
	Maximum No. 1 journal	0.07 mm (0.0028 in.)
	Other journals	0.10 mm (0.0039 in.)
Thrust clearance	Standard	0.04 - 0.09 mm (0.016 - 0.035 in.)
Thrust clearance	Maximum	0.11 mm (0.0043 in.)
No. 2 camshaft
Journal diameter	No. 1 journal	35.971 - 35.985 mm (1.4162 - 1.4167 in.)
Journal diameter	Other journals	22.959 - 22.975 mm (0.9039 - 0.9045 in.)
Circuit runout	Maximum	0.06 mm (0.0024 in.)
Cam lobe height	Standard	44.580 - 44.680 mm (1.7551 - 1.7591 in.)
Cam lobe height	Minimum	44.430 mm (1.7492 in.)
Oil clearance	Standard No. 1 journal	0.040 - 0.079 mm (0.0016 - 0.0031 in.)
	Other journals	0.025 - 0.062 mm (0.0010 - 0.0024 in.)
	Maximum	0.10 mm (0.0039 in.)
Thrust clearance	Standard	0.04 - 0.09 mm (0.016 - 0.035 in.)
Thrust clearance	Maximum	0.11 mm (0.0043 in.)
No. 3 camshaft sub-assy
Journal diameter	No. 1 journal	35.971 - 35.985 mm (1.4162 - 1.4167 in.)
Journal diameter	Other journals	22.959 - 22.975 mm (0.9039 - 0.9045 in.)
Circuit runout	Maximum	0.06 mm (0.0024 in.)
Cam lobe height	Standard	44.168 - 44.268 mm (1.7389 - 1.7428 in.)
Cam lobe height	Minimum	44.018 mm (1.7330 in.)
Oil clearance	Standard No. 1 journal	0.040 - 0.079 mm (0.0016 - 0.0031 in.)
	Other journals	0.025 - 0.062 mm (0.0010 - 0.0024 in.)
	Maximum	0.10 mm (0.0039 in.)
Thrust clearance	Standard	0.04 - 0.09 mm (0.016 - 0.035 in.)
Thrust clearance	Maximum	0.11 mm (0.0043 in.)
No. 4 camshaft sub-assy
Journal diameter	No. 1 journal	35.971 - 35.985 mm (1.4162 - 1.4167 in.)
Journal diameter	Other journals	22.959 - 22.975 mm (0.9039 - 0.9045 in.)
Circuit runout	Maximum	0.06 mm (0.0024 in.)
Cam lobe height	Standard	44.580 - 44.680 mm (1.7551 - 1.7591 in.)
Cam lobe height	Minimum	44.430 mm (1.7492 in.)
Oil clearance	Standard No. 1 journal	0.040 - 0.079 mm (0.0016 - 0.0031 in.)
	Other journals	0.025 - 0.062 mm (0.0010 - 0.0024 in.)
	Maximum	0.10 mm (0.0039 in.)
Thrust clearance	Standard	0.04 - 0.09 mm (0.016 - 0.035 in.)
Thrust clearance	Maximum	0.11 mm (0.0043 in.)
Ring pin for cylinder head sub-assy and cylinder head LH
Protrusion height		2.7 - 3.3 mm (0.106 - 0.130 in.)
Straight pin for cylinder head sub-assy and cylinder head LH
Protrusion height (See page 14 - 73)	A	17.5 - 19.5 mm (0.689 - 0.768 in.)
	B	7.5 - 8.5 mm (0.295 - 0.335 in.)
	C	7.0 - 9.0 mm (0.276 - 0.354 in.)
Tight plug for cylinder head sub-assy and cylinder head LH
Depth		1.5 mm (0.059 in.)
Connecting rod thrust clearance	Standard	0.15 - 0.30 mm (0.0059 - 0.0118 in.)
Connecting rod thrust clearance	Maximum	0.35 mm (0.0138 in.)
Connecting rod oil clearance	Standard	0.026 - 0.046 mm (0.0010 - 0.0018 in.)
Connecting rod oil clearance	Maximum	0.066 mm (0.0025 in.)
Crankshaft thrust clearance	Standard	0.04 - 0.24 mm (0.0016 - 0.0094 in.)
Crankshaft thrust clearance	Maximum	0.30 mm (0.0118 in.)
Cylinder block warpage	Maximum	0.05 mm (0.0020 in.)
Cylinder bore diameter	Standard	94.000 - 94.012 mm (3.7008 - 3.7013 in.)
Cylinder bore diameter	Difference limit	0.10 mm (0.0039 in.)
Piston diameter		93.910 - 93.920 mm (3.6972 - 3.6976 in.)
Oil clearance	Standard	0.080 - 0.102 mm (0.0031 - 0.0040 in.)
Oil clearance	Maximum	0.13 mm (0.0051 in.)
Connecting rod out-of alignment	Maximum	0.05 mm (0.0020 in.) per 100 mm (3.94 in.)
Connecting rod twist	Maximum	0.15 mm (0.0059 in.) per 100 mm (3.94 in.)
Connecting rod bushing inside diameter		22.005 - 22.014 mm (0.8663 - 0.8667 in.)
Piston pin diameter		21.997 - 22.006 mm (0.8660 - 0.8664 in.)
Oil clearance	Standard	0.005 - 0.011 mm (0.0002 - 0.0004 in.)
Oil clearance	Maximum	0.050 mm (0.0020 in.)
Piston ring groove clearance	No.1	0.02 - 0.07 mm (0.0008 - 0.0028 in.)
	No.2	0.02 - 0.06 mm (0.0008 - 0.0024 in.)
	Oil	0.07 - 0.15 mm (0.0028 - 0.0060 in.)
Piston ring end gap	Standard No.1	0.30 - 0.40 mm (0.0118 - 0.0157 in.)
	No.2	0.40 - 0.50 mm (0.0157 - 0.0197 in.)
	Oil (Side rail)	0.10 - 0.40 mm (0.0039 - 0.0157 in.)
	Maximum No.1	1.0 mm (0.039 in.)
	No.2	1.1 mm (0.043 in.)
	Oil (Side rail)	1.0 mm (0.039 in.)
Connecting rod bolt diameter	Standard	7.2 - 7.3 mm (0.283 - 0.287 in.)
Connecting rod bolt diameter	Minimum	7.0 mm (0.276 in.)
Crankshaft bearing cap set bolt diameter	Standard	10.0 - 10.2 mm (0.393 - 0.402 in.)
Crankshaft circle runout	Maximum	0.06 mm (0.0024 in.)
Main journal diameter		71.988 - 72.000 mm (2.8342 - 2.8346 in.)
Main journal taper and out-of-round	Maximum	0.02 mm (0.0008 in.)
Crank pin diameter		55.992 - 56.000 mm (2.2044 - 2.2047 in.)
Crank pin taper and out-of-round	Maximum	0.02 mm (0.0008 in.)
Crankshaft oil clearance	Standard	0.018 - 0.030 mm (0.0007 - 0.0012 in.)
Crankshaft oil clearance	Maximum	0.046 mm (0.0018 in.)

Engine Mechanical (1GR-FE) Service Specifications

Engine Mechanical (1GR-FE) - Specifications: Other Toyota 4Runner IV

SERVICE DATA

More articles — Engine Mechanical (1GR-FE) - Specifications

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