ME(H4DOTC)-2
MECHANICAL
GENERAL DESCRIPTION
1. General Description
A: SPECIFICATIONS
1. DOHC TURBO MODEL (EXCEPT FOR STi AND AUSTRALIA MODEL)
NOTE:
STD: Standard
I.D.: Inner Diameter
O.D.: Outer Diameter
OS: Oversize
US: Undersize
Engine
Type
Horizontally opposed, liquid cooled, 4-cylinder,
4-stroke gasoline engine
Valve arrangement
Belt driven, double overhead camshaft, 4-valve/cylinder
Bore
×
Stroke
mm (in)
92
×
75 (3.62
×
2.95)
Piston displacement
cm
3
(cu in)
1,994 (121.67)
Compression ratio
8.0
Compression pres-
sure (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
BTDC 10
°
Closing
ABDC 50
°
Exhaust valve timing
Opening
BBDC 53
°
Closing
ATDC 7
°
Valve clearance
Intake
mm (in)
0.20
±
0.02 (0.0079
±
0.0008)
Exhaust
mm (in)
0.25
±
0.02 (0.0098
±
0.0008)
Idling speed
[At neutral position on MT or “P” or
“N” range on AT]
rpm
700
±
100 (No load)
800
±
150 (A/C switch ON)
Firing order
1
→
3
→
2
→
4
Ignition timing
BTDC/rpm
12
°±
10
°
/700
Summary of Contents for Impreza 2003
Page 2: ......
Page 4: ......
Page 5: ...FOREWORD FW Page 1 Foreword 2...
Page 7: ...HOW TO USE THIS MANUAL HU Page 1 How to Use This Manual 2...
Page 12: ...HU 6 HOW TO USE THIS MANUAL HOW TO USE THIS MANUAL...
Page 13: ...SPECIFICATIONS SPC Page 1 Impreza 2...
Page 36: ...SPC 24 SPECIFICATIONS IMPREZA...
Page 37: ...PRECAUTION PC Page 1 Precaution 2...
Page 39: ...NOTE NT Page 1 Note 2...
Page 42: ...NT 4 NOTE NOTE A Front B Rear 1 Front crossmember 2 Rear differential NT 00062 1 2 A B...
Page 47: ...IDENTIFICATION ID Page 1 Identification 2...
Page 54: ...ID 8 IDENTIFICATION IDENTIFICATION...
Page 55: ...RECOMMENDED MATERIALS RM Page 1 Recommended Materials 2...
Page 63: ...PRE DELIVERY INSPECTION PI Page 1 Pre delivery Inspection 2...
Page 76: ...PI 14 PRE DELIVERY INSPECTION PRE DELIVERY INSPECTION...
Page 126: ...PM 50 PERIODIC MAINTENANCE SERVICES STEERING SYSTEM POWER STEERING...
Page 212: ...IN H4SO 8 INTAKE INDUCTION RESONATOR CHAMBER...
Page 310: ...ME H4SO 98 MECHANICAL ENGINE NOISE...
Page 380: ...SP H4SO 10 SPEED CONTROL SYSTEMS ACCELERATOR CONTROL CABLE...
Page 412: ...SC H4SO 22 STARTING CHARGING SYSTEMS BATTERY...
Page 750: ...EC H4SOw oOBD 8 EMISSION CONTROL AUX EMISSION CONTROL DEVICES TWO WAY VALVE...
Page 751: ...INTAKE INDUCTION IN H4SOw oOBD Page 1 General Description 2...
Page 753: ...MECHANICAL ME H4SOw oOBD Page 1 General Description 2...
Page 766: ...EX H4SOw oOBD 12 EXHAUST MUFFLER...
Page 767: ...COOLING CO H4SOw oOBD Page 1 General Description 2...
Page 769: ...LUBRICATION LU H4SOw oOBD Page 1 General Description 2...
Page 771: ...SPEED CONTROL SYSTEMS SP H4SOw oOBD Page 1 General Description 2...
Page 773: ...IGNITION IG H4SOw oOBD Page 1 General Description 2...
Page 775: ...STARTING CHARGING SYSTEMS SC H4SOw oOBD Page 1 General Description 2...
Page 876: ...EN H4SOw oOBD 100 ENGINE DIAGNOSTICS GENERAL DIAGNOSTIC TABLE...
Page 878: ......
Page 974: ...IN H4DOTC 16 INTAKE INDUCTION RESONATOR CHAMBER...
Page 1108: ...EX H4DOTC 16 EXHAUST MUFFLER...
Page 1164: ...LU H4DOTC 22 LUBRICATION ENGINE LUBRICATION SYSTEM TROUBLE IN GENERAL...
Page 1165: ...SPEED CONTROL SYSTEMS SP H4DOTC Page 1 General Description 2...
Page 1167: ...IGNITION IG H4DOTC Page 1 General Description 2 2 Spark Plug 4 3 Ignition Coil Ignitor ASSY 7...
Page 1174: ...IG H4DOTC 8 IGNITION IGNITION COIL IGNITOR ASSY...
Page 1175: ...STARTING CHARGING SYSTEMS SC H4DOTC Page 1 General Description 2...
Page 1492: ......
Page 1532: ...CS 40 CONTROL SYSTEMS GENERAL DIAGNOSTIC TABLE...
Page 1670: ...4AT 138 AUTOMATIC TRANSMISSION TRANSMISSION CONTROL DEVICE...
Page 1930: ...5MT 122 MANUAL TRANSMISSION AND DIFFERENTIAL GENERAL DIAGNOSTIC...
Page 2062: ...6MT 132 MANUAL TRANSMISSION AND DIFFERENTIAL GENERAL DIAGNOSTIC TABLE...
Page 2114: ...CL 52 CLUTCH SYSTEM GENERAL DIAGNOSTIC TABLE...
Page 2116: ......
Page 2146: ...FS 30 FRONT SUSPENSION GENERAL DIAGNOSTIC TABLE...
Page 2170: ...RS 24 REAR SUSPENSION GENERAL DIAGNOSTIC TABLE...
Page 2612: ...BR 80 BRAKE GENERAL DIAGNOSTICS...
Page 2624: ...PB 12 PARKING BRAKE GENERAL DIAGNOSTIC TABLE...
Page 2908: ...AB 82 AIRBAG SYSTEM DIAGNOSTICS DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE DTC...
Page 2928: ...SB 20 SEAT BELT SYSTEM DISPOSAL OF PRETENSIONER...
Page 2962: ...LI 34 LIGHTING SYSTEM GLOVE BOX LIGHT...
Page 2982: ...WW 20 WIPER AND WASHER SYSTEMS WIPER CONTROL RELAY WAGON MODEL...
Page 2995: ...COMMUNICATION SYSTEM COM Page 1 General Description 2 2 Horn System 3 3 Horn 4 4 Horn Switch 5...
Page 3000: ...COM 6 COMMUNICATION SYSTEM HORN SWITCH...
Page 3035: ...BODY STRUCTURE BS Page 1 General Description 2 2 Datum Points 3 3 Datum Dimensions 11...
Page 3044: ...BS 10 BODY STRUCTURE DATUM POINTS BS 00544 86 85 84 83 94 BS 00546 88 89 93 BS 00545 87...
Page 3056: ...BS 22 BODY STRUCTURE DATUM DIMENSIONS...
Page 3079: ...SEATS SE Page 1 General Description 2 2 Front Seat 6 3 Rear Seat 17...
Page 3098: ...SE 20 SEATS REAR SEAT...
Page 3142: ...SL 44 SECURITY AND LOCKS KEYLESS TRANSMITTER...
Page 3152: ...SR 10 SUNROOF T TOP CONVERTIBLE TOP SUNROOF SUNROOF SWITCH...
Page 3234: ...EB 24 EXTERIOR BODY PANELS REAR GATE PANEL...
Page 3302: ...IM 24 IMMOBILIZER DIAGNOSTICS DIAGNOSTICS CHART WITH DIAGNOSTIC TROUBLE CODE DTC...
Page 3304: ......
Page 3403: ...WI 99 WIRING SYSTEM ENGINE COOLANT TEMPERATURE GAUGE SYSTEM...
Page 3415: ...WI 111 WIRING SYSTEM ENGINE ELECTRICAL SYSTEM...
Page 3427: ...WI 123 WIRING SYSTEM ENGINE ELECTRICAL SYSTEM...
Page 3441: ...WI 137 WIRING SYSTEM ENGINE ELECTRICAL SYSTEM...
Page 3453: ...WI 149 WIRING SYSTEM ENGINE ELECTRICAL SYSTEM...
Page 3465: ...WI 161 WIRING SYSTEM ENGINE ELECTRICAL SYSTEM...
Page 3610: ...WI 306 WIRING SYSTEM REAR WIRING HARNESS AND REAR GATE CORD...