Engine Mechanical - 2.0L Dohc/tc: Specifications — Subaru Impreza GD/GC/GG рестайлинг (2002-2005)

SPECIFICATIONS

Engine	Type			Horizontally opposed, liquid cooled, 4-cylinder, 4-stroke gasoline engine
	Valve arrangement			Belt driven, double overhead camshaft, 4-valve/cylinder
	Bore x Stroke		Mm (in)	92 x 75 (3.62 x 2.95)
	Piston displacement		Cm 3 (cu in)	1,994 (121.67)
	Compression ratio			8.0
	Compression pressure (at 200 - 300 rpm)		KPa (kgf/cm 2 , psi)	981 - 1,177 (10 - 12, 142 - 171)
	Number of piston rings			Pressure ring: 2, Oil ring: 1
	Intake valve timing	Opening		10° BTDC
	Intake valve timing	Closing		50° ABDC
	Exhaust valve timing	Opening		53° BBDC
	Exhaust valve timing	Closing		7° ATDC
	Valve clearance	Intake	Mm (in)	0.20± 0.02 (0.0079± 0.0008)
	Valve clearance	Exhaust	Mm (in)	0.25± 0.02 (0.0098± 0.0008)
	Idling speed [At neutral position]		MT rpm	750±100 (No load) 800±150(A/C switch ON)
	Idling speed [At neutral position]		AT rpm	750±100 (No load) 825±150(A/C switch ON)
	Firing order			1 - 3 - 2 - 4
	Ignition timing		BTDC/rpm	12°± 3°/750rpm
Belt tension adjuster	Protrusion of adjuster rod			5.2 - 6.2 mm (0.205 - 0.244 in)
Belt tensioner	Spacer O.D.			17.955 - 17.975 mm (0.7069 - 0.7077 in)
	Tensioner bush I.D.			18.0 - 18.08 mm (0.7087 - 0.7118 in)
	Clearance between spacer and bush		STD	0.025 - 0.125 mm (0.0010 - 0.0049 in)
	Clearance between spacer and bush		Limit	0.175 mm (0.0069 in)
	Side clearance of spacer		STD	0.2 - 0.55 mm (0.0079 - 0.0217 in)
	Side clearance of spacer		Limit	0.81 mm (0.0319 in)
Camshaft	Bend limit			0.020 mm (0.0079 in)
	Thrust clearance		STD	0.015 - 0.070 mm (0.0006 - 0.0028 in)
	Thrust clearance		Limit	0.10 mm (0.0039 in)
	Cam lobe height	Intake	STD	46.25 - 46.35 mm (1.821 - 1.825 in)
		Intake	Limit	46.15 mm (1.817 in)
		Exhaust	STD	46.15 - 46.25 mm (1.817 - 1.821 in)
		Exhaust	Limit	46.05 mm (1.813 in)
	Jounal O.D.	STD	Front	37.946 - 37.963 mm (1.4939 - 1.4946 in)
	Jounal O.D.	STD	Center rear	29.946 - 29.963 mm (1.1790 - 1.1796 in)
	Oil clearance		STD	0.037 - 0.072 mm (0.0015 - 0.0028 in)
	Oil clearance		Limit	0.10 mm (0.0039 in)
Cylinder head	Surface warpage limit			0.05 mm (0.0020 in)
	Surface grinding limit			0.3 mm (0.012 in)
	Standard height			127.5 mm (5.02 in)
Valve seat	Refacing angle			90°
	Contacting width	Intake	STD	1.0 mm (0.039 in)
		Intake	Limit	1.7 mm (0.067 in)
		Exhaust	STD	1.5 mm (0.059 in)
		Exhaust	Limit	2.2 mm (0.087 in)
Valve guide	Inner diameter			6.000 - 6.012 mm (0.2362 - 0.2367 in)
Valve guide	Protrusion above head			15.8 - 16.2 mm (0.622 - 0.638 in)
Valve	Head edge thickness	Intake	STD	1.2 mm (0.047 in)
		Intake	Limit	0.8 mm (0.031 in)
		Exhaust	STD	1.5 mm (0.059 in)
		Exhaust	Limit	0.8 mm (0.031 in)
	Stem diameter		Intake	5.955 - 5.970 mm (0.2344 - 0.2350 in)
	Stem diameter		Exhaust	5.945 - 5.960 mm (0.2341 - 0.2346 in)
	Stem oil clearance	STD	Intake	0.030 - 0.057 mm (0.0012 - 0.0022 in)
		STD	Exhaust	0.040 - 0.067 mm (0.0016 - 0.0026 in)
		Limit		0.15 mm (0.0059 in)
	Overall length		Intake	104.4 mm (4.110 in)
	Overall length		Exhaust	104.7 mm (4.122 in)
Valve spring	Free length			44.67 mm (1.7587 in)
	Squareness			2.5°, 2.0 mm (0.079 in)
	Tension/spring height			205 - 236 N (20.9 - 24.1 kgf, 46.1 -53.1 lb)/36.0 mm (1.417 in) 485 - 536 N (49.5 - 54.7 kgf, 109.1 - 120.5 lb)/26.6 mm (1.047 in)
Cylinder block	Surface warpage limit (mating with cylinder head)			0.05 mm (0.0020 in)
	Surface grinding limit			0.1 mm (0.004 in)
	Cylinder bore	STD	A	92.005 - 92.015 mm (3.6222 - 3.6226 in)
	Cylinder bore	STD	B	91.995 - 92.005 mm (3,6218 - 3.6222 in)
	Taper		STD	0.015 mm (0.0006 in)
	Taper		Limit	0.050 mm (0.0020 in)
	Out-of-roundness		STD	0.010 mm (0.0004 in)
	Out-of-roundness		Limit	0.050 mm (0.0020 in)
	Piston clearance		STD	0.010 - 0.030 mm (0.0004 - 0.0012 in)
	Piston clearance		Limit	0.050 mm (0.0020 in)
	Enlarging (boring) limit			0.5 mm (0.020 in)
Piston	Outer diameter	STD	A	91.985 - 91.995 mm (3.6214 - 3.6218 in)
		STD	B	91.975 - 91.985 mm (3.6211 - 3.6214 in)
		0.25 mm (0.0098 in) OS		92.225 - 92.235 mm (3.6309 - 3.6313 in)
		0.50 mm (0.0197 in) OS		92.475 - 92.485 mm (3.6407 - 3.6411 in)
Piston pin	Standard clearance between piston pin and hole in piston		STD	0.004 - 0.008 mm (0.0002 - 0.0003 in)
	Standard clearance between piston pin and hole in piston		Limit	0.020 mm (0.0008 in)
	Degree of fit			Piston pin must be fitted into position with thumb at 20°C (68°F).
Piston ring	Piston ring gap	Top ring	STD	0.20 - 0.25 mm (0.0079 - 0.0098 in)
		Top ring	Limit	1.0 mm (0.039 in)
		Second ring	STD	0.35 - 0.50 mm (0.0138 - 0.0197 in)
		Second ring	Limit	1.0 mm (0.039 in)
		Oil ring	STD	0.20 - 0.50 mm (0.0079 - 0.0197 in)
		Oil ring	Limit	1.5 mm (0.059 in)
	Clearance between piston ring and piston ring groove	Top ring	STD	0.055 - 0.090 mm (0.0022 - 0.0035 in)
		Top ring	Limit	0.15 mm (0.0059 in)
		Second ring	STD	0.030 - 0.070 mm (0.0012 - 0.0028 in)
		Second ring	Limit	0.15 mm (0.0059 in)
Connecting rod	Bend twist per 100 mm (3.94 in) in length		Limit	0.10 mm (0.0039 in)
	Side clearance		STD	0.070 - 0.330 mm (0.0028 - 0.0130 in)
	Side clearance		Limit	0.4 mm (0.016 in)
Connecting rod bearing	Oil clearance		STD	0.020 - 0.046 mm (0.0008 - 0.0018 in)
	Oil clearance		Limit	0.05 mm (0.0020 in)
	Thickness at center portion		STD	1.486 - 1.498 mm (0.0585 - 0.0590 in)
			0.03 mm (0.0012 in) US	1.504 - 1.512 mm (0.0592 - 0.0595 in)
			0.05 mm (0.0020 in) US	1.514 - 1.522 mm (0.0596 - 0.0599 in)
			0.25 mm (0.0098 in) US	1.614 - 1.622 mm (0.0635 - 0.0639 in)
Connecting rod bushing	Clearance between piston pin and bushing		STD	0 - 0.022 mm (0 - 0.0009 in)
Connecting rod bushing	Clearance between piston pin and bushing		Limit	0.030 mm (0.0012 in)
Crankshaft	Bend limit			0.035 mm (0.0014 in)
	Crank pin and crank journal	Out-of-roundness		0.020 mm (0.0008 in) or less
	Crank pin and crank journal	Grinding limit		0.25 mm (0.0098 in)
	Crank pin outer diameter		STD	51.984 - 52.000 mm (2.0466 - 2.0472)
			0.03 mm (0.0012 in) US	51.954 - 51.970 mm (2.0454 - 2.0461)
			0.05 mm (0.0020 in) US	51.934 - 51.950 mm (2.0447 - 2.0453)
			0.25 mm (0.0098 in) US	51.734 - 51.750 mm (2.0368 - 2.0374)
	Crank journal outer diameter	#1, #3, #5	STD	59.992 - 60.008 mm (2.3619 - 2.3625 in)
			0.03 mm (0.0012 in) US	59.962 - 59.978 mm (2.3607 - 2.3613 in)
			0.05 mm (0.0020 in) US	59.942 - 59.958 mm (2.3599 - 2.3605 in)
			0.25 mm (0.0098 in) US	59.742 - 59.758 mm (2.3520 - 2.3527 in)
		#2, #4	STD	59.992 - 60.008 mm (2.3619 - 2.3625 in)
			0.03 mm (0.0012 in) US	59.962 - 59.978 mm (2.3607 - 2.3613 in)
			0.05 mm (0.0020 in) US	59.942 - 59.958 mm (2.3599 - 2.3605 in)
			0.25 mm (0.0098 in) US	59.742 - 59.758 mm (2.3520 - 2.3527 in)
	Thrust clearance		STD	0.030 - 0.115 mm (0.0012 - 0.0045 in)
	Thrust clearance		Limit	0.25 mm (0.0098 in)
	Oil clearance	#1	STD	0.003 - 0.030 mm (0.0001 - 0.0012 in)
		#1	Limit	0.040 mm (0.0016 in)
		#2	STD	0.012 - 0.033 mm (0.0005 - 0.0013 in)
		#2	Limit	0.045 mm (0.0018 in)
		#3	STD	0.003 - 0.030 mm (0.0001 - 0.0012 in)
		#3	Limit	0.040 mm (0.0016 in)
		#4	STD	0.012 - 0.033 mm (0.0005 - 0.0013 in)
		#4	Limit	0.045 mm (0.0018 in)
		#5	STD	0.010 - 0.031 mm (0.0004 - 0.0012 in)
		#5	Limit	0.040 mm (0.0016 in)
Crankshaft bearing	Crankshaft bearing thickness	#1,#3	STD	1.998 - 2.011 mm (0.0787 - 0.0792 in)
			0.03 mm (0.0012 in) US	2.017 - 2.020 mm (0.0794 - 0.0795 in)
			0.05 mm (0.0020 in) US	2.027 - 2.030 mm (0.0798 - 0.0799 in)
			0.25 mm (0.0098 in) US	2.127 - 2.130 mm (0.0837 - 0.0839 in)
		#2, #4, #5	STD	2.000 - 2.013 mm (0.0787 - 0.0793 in)
			0.03 mm (0.0012 in) US	2.019 - 2.022 mm (0.0795 - 0.0796 in)
			0.05 mm (0.0020 in) US	2.029 - 2.032 mm (0.0799 - 0.0800 in)
			0.25 mm (0.0098 in) US	2.129 - 2.132 mm (0.0838 - 0.0839 in)

Engine Specifications

Scheme 484

Scheme 484: TIMING BELT

Scheme 485

Scheme 485: CYLINDER HEAD AND CAMSHAFT

Scheme 486

Scheme 486: CYLINDER HEAD AND VALVE ASSEMBLY

Scheme 487

Scheme 487: CYLINDER BLOCK

Scheme 488

Scheme 488: CRANKSHAFT AND PISTON

Scheme 489

Scheme 489: ENGINE MOUNTING

TORQUE SPECIFICATIONS

Application			Ft. Lbs. (N.m)
A/C Pressure Hose			18 (25)
Air Intake Duct-To-Intake Manifold Bolt			14 (19)
Automatic Timing Belt Tension Adjuster Assembly Bolt			29 (39)
Belt Tensioner
Front Belt
Lock Bolt			18 (25)
Slider Bolt			(1)
Rear Belt Lock Nut			17 (23)
Blow-By Hose Stay Bolt			14 (19)
Camshaft Bearing Cap Bolts (2)
Bolts "A" & "B"			(3)
Bolts "C"-"F"			15 (20)
Camshaft Sprocket Bolt			72 (98)
Connecting Rod Nuts			33 (45)
Crankshaft Pulley Bolt
Used Bolt
Step 1			32 (44)
Step 2			(4) 94 (127)
NEW Bolt
Step 1			32 (44)
Step 2			Tighten An Additional 45-60 Degrees
Cylinder Block Connecting Bolts
Step 1 (5)			11 (15)
Step 2 (6)			11 (15)
Step 3 (5)			Tighten An Additional 90 Degrees
Step 4 (6)			Tighten An Additional 90 Degrees
Step 5 (7)
Bolts "A"-"G"			18 (25)
Bolt "H"			(8)
Cylinder Block Service Hole Plug			52 (70)
Cylinder Head Bolts (9) (10)
Step 1			21 (29)
Step 2			51 (69)
Step 3			Loosen Bolts 180 Degrees
Step 4			Loosen Bolts 180 Degrees
Step 5			29 (39)
Step 6			Tighten An Additional 80-90 Degrees
Step 7			Tighten An Additional 40-45 Degrees
Step 8 - Bolts "A" & "B" Only			Tighten An Additional 40-45 Degrees
Drive Plate/Flywheel Bolts			53 (72)
Engine Harness Bracket-To-Intake Manifold Bolts			14 (19)
Engine Mounts
Bracket Bolts			26 (35)
Mount Nuts
Lower			63 (85)
Upper			31 (42)
Exhaust Manifold-To-Cylinder Head Nuts			30 (40)
Exhaust Pipe Bolts/Nuts			26 (35)
Fuel Injector Pipe-To-Intake Manifold Bolts			14 (19)
Fuel Pipe Protector Bolts			14 (19)
Ignition Coil Bolt			12 (16)
Intercooler Air By-Pass Valve Bolts			12 (16)
Intercooler Duct Bolts			12 (16)
Intercooler Mounting Bolts			12 (16)
Knock Sensor Bolt			18 (25)
Oil Cooler Connector			41 (55)
Oil Drain Plug			32 (44)
Oil Pressure Switch			18 (25)
Oxygen Sensor			15 (20)
Pitching Stopper-To
Body			37 (50)
Engine			43 (58)
Power Steering Pump Bolts			16 (22)
Purge Control Solenoid Valve Bolt			12 (16)
Spark Plugs			15 (20)
Throttle Body-To-Intake Manifold Bolts			16 (22)
Timing Belt Idler Bolt			29 (39)
Timing Belt Tensioner Bracket			18 (25)
Torque Converter-To-Drive Plate Bolts			18 (25)
Transmission-To-Engine Bolts			37 (50)
Tumble Generator Valve-To-Intake Manifold Bolts			18 (25)
Turbocharger Bracket Bolts			24 (33)
Turbocharger Oil Inlet Pipe Banjo Bolt
Lower			21 (29)
Upper			12 (16)
Turbocharger Water Pipe Banjo Bolts			22 (30)
INCH Lbs. (N.m)
Camshaft Position Sensor Bolt			57 (6.4)
Crankshaft Position Sensor			57 (6.4)
Cylinder Block Service Hole Cover Bolts			57 (6.4)
Idle Air Control Solenoid Valve Bolt			27 (3)
Intake Manifold Bolts			71 (8)
Mass Air Flow/Intake Air Temperature Sensor Bolts			71 (8)
Oil Baffle Plate Bolts			57 (6.4)
Oil Filler Duct Bolts			57 (6.4)
Oil Level Gauge Guide Bolt			57 (6.4)
Oil Pan Bolts			44 (5)
Oil Pump Bolts			57 (6.4)
Oil Separator Cover-To-Rocker Cover Bolts			57 (6.4)
Oil Strainer Bolts			89 (10)
Pressure Regulator Bolt			57 (6.4)
Rocker Cover Bolts			44 (5)
Throttle Position Sensor Bolts			18 (2)
Timing Belt Cover Bolts			44 (5)
Timing Belt Guide Bolts			89 (10)
Turbocharger Oil Inlet Pipe Bracket Bolt			44 (5)
Turbocharger Oil Outlet Pipe Bolts			35 (4)
Wastegate Control Solenoid Valve Nut			57 (6.4)
Water By-Pass Pipe Bolts			57 (6.4)
Water Pump Bolts (11)
Step 1			106 (12)
Step 2			106 (12)
(1) Tighten to 71 INCH lbs. (8 N.m). (2) Tighten camshaft bearing cap bolts using 2 steps in sequence. (Scheme 490) (3) Tighten to 89 INCH lbs. (10 N.m). (4) Confirm tightening angle of crankshaft pulley bolt is 45 degrees or more. If not, replace bolt. (5) Tighten 10 mm cylinder block connecting bolts "A"-"D" in sequence. (Scheme 491) (6) Tighten 10 mm cylinder block connecting bolts "E"-"J" in sequence. (Scheme 492) (7) Tighten 6 mm and 8 mm cylinder block connecting bolts "A"-"G" in sequence. (Scheme 493) (8) Tighten to 53 INCH lbs. (6 N.m). (9) Apply a coat of engine oil to washers and bolt threads. (10) Tighten cylinder head bolts in sequence. (Scheme 494) (11) Tighten water pump bolts in sequence. (Scheme 495)

(1)	Tighten to 71 INCH lbs. (8 N.m).

(2)	Tighten camshaft bearing cap bolts using 2 steps in sequence. (Scheme 490)

(3)	Tighten to 89 INCH lbs. (10 N.m).

(4)	Confirm tightening angle of crankshaft pulley bolt is 45 degrees or more. If not, replace bolt.

(5)	Tighten 10 mm cylinder block connecting bolts "A"-"D" in sequence. (Scheme 491)

(6)	Tighten 10 mm cylinder block connecting bolts "E"-"J" in sequence. (Scheme 492)

(7)	Tighten 6 mm and 8 mm cylinder block connecting bolts "A"-"G" in sequence. (Scheme 493)

(8)	Tighten to 53 INCH lbs. (6 N.m).

(9)	Apply a coat of engine oil to washers and bolt threads.

(10)	Tighten cylinder head bolts in sequence. (Scheme 494)

(11)	Tighten water pump bolts in sequence. (Scheme 495)

TORQUE SPECIFICATIONS

Scheme 490

Scheme 491

Scheme 492

Scheme 493

Scheme 494

Scheme 495

Engine Mechanical - 2.0L Dohc/tc: Specifications Subaru Impreza GD/GC/GG рестайлинг

SPECIFICATIONS

Scheme 484

Scheme 485

Scheme 486

Scheme 487

Scheme 488

Scheme 489

TORQUE SPECIFICATIONS

Scheme 490

Scheme 491

Scheme 492

Scheme 493

Scheme 494

Scheme 495

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