PROTON WAJA 1.6L 4G18 Engine FACTORY Workshop Service Manual

GENERAL INFORMATION 11A-0-3 ........................................... 1. SPECIFICATIONS 11A-1-1 ................................................. SERVICE SPECIFICATIONS 11A-1-1 .................................... REWORK DIMENSIONS 11A-1-3 ........................................ TORQUE SPECIFICATIONS 11A-1-4 ..................................... NEW TIGHTENING METHOD- BY USE OF BOLTS TO BE TIGHTENED IN PLASTIC AREA 11A-1-6 ................................ SEALANT 11A-1-6 ........................................................ FORM-IN-PLACE GASKET 11A-1-7 ...................................... 2. SPECIAL TOOLS 11A-2-1 ................................................. 3. ALTERNATOR AND IGNITION SYSTEM 11A-3-1 ........................ 4. TIMING BELT 11A-4-1 ...................................................... 5. FUEL AND EMISSION CONTROL SYSTEMS 11A-5-1 ................... 5a. INTAKE MANIFOLD AND THROTTLE BODY (GDI) 11A-5a-1 ......... 5b. EXHAUST MANIFOLD (GDI) 11A-5b-1 ................................. 6. WATER PUMPAND WATER HOSE 11A-6-1 ............................. 7. INTAKE AND EXHAUST MANIFOLDS 11A-7-1 .......................... 7a. FUEL SYSTEM (GDI) 11A-7a-1 ......................................... 8. ROCKER ARMS AND CAMSHAFTS 11A-8-1 ............................ 8a. ROCKER ARMS AND CAMSHAFTS (GDI) 11A-8a-1 .................. 9. CYLINDER HEAD AND VALVES 11A-9-1 ................................. 10. OIL PUMP AND OIL PAN 11A-10-1 ....................................... 11. PISTONS AND CONNECTING RODS 11A-11-1 .......................... 12. CRANKSHAFT AND CYLINDER BLOCK 11A-12-1 ..................... 11A-0-1 PWEE9520 E Nov. 1995 Mitsubishi Motors Corporation ENGINE 4G1 SERIES CONTENTS PWEE9520-D E Aug. 2000 Mitsubishi Motors Corporation Revised

11A-0-2 PWEE9520 E Nov. 1995 Mitsubishi Motors Corporation NOTES

4G1 ENGINE (E-W) - General Information 11A-0-3 PWEE9520 E Nov. 1995 Mitsubishi Motors Corporation GENERAL INFORMATION

4G1 ENGINE (E-W) - General Information 11A-0-4 PWEE9520 E Nov. 1995 Mitsubishi Motors Corporation

4G1 ENGINE (E–W) – General Information 11A-0-8 PWEE9520 E Nov. 1995 Mitsubishi Motors Corporation Descriptions 4G18 16-VALVE–CARBURETOR 4G18 16-VALVE–MPI Type In-line OHV, SOHC In-line OHV, SOHC Number of cylinders 4 4 Combustion chamber Pentroof type Pentroof type Total displacement dm 3 1,584 1,584 Cylinder bore mm 76.0 76.0 Piston stroke mm 87.3 87.3 Compression ratio 9.5 9.5, 10* 1 * 2 Number of valves Intake 8 8 valves Exhaust 8 8 Valve timing Intake opens BTDC 12_ BTDC 17_ , BTDC 9_* 1 , BTDC 17_* 2 Intake closes ABDC 48_ ABDC 39_ , ABDC 51_* 1 , ABDC 43_* 2 Exhaust opens BBDC 48_ BBDC 49_ , BBDC 49_* 1 , BBDC 53_* 2 Exhaust closes ATDC 12_ ATDC 7_ , ATDC 15_* 1 , ATDC 7_* 2 Lubrication system Pressure feed, full-flow filtration Pressure feed, full-flow filtration Oil pump type Trochoid type Trochoid type Cooling system Water-cooled, forced circulation Water-cooled, forced circulation Water pump type Centrifugal impeller type Centrifugal impeller type * 1 : SPACE STAR for Europe * 2 : LANCER for General Export PWEE9520-E E Feb. 2001 Mitsubishi Motors Corporation Revised

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PROTON WAJA 1.6L 4G18 Engine FACTORY Workshop Service Manual

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