Gebruiksaanwijzing /service van het product 4G1 van de fabrikant Mitsubishi
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GENERAL INFORMA TION 1 1A-0-3 ........................................... 1. SPECIFICA TIONS 1 1A-1-1 ................................................. SERVICE SPECIFICA TIONS 1 1A-1-1 .................................... REWORK DIMENSIONS 1 1A-1-3 ..
1 1A-0-2 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation NOTES.
4G1 ENGINE (E - W) - General Information 1 1A-0-3 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation GENERAL INFORMA TION.
4G1 ENGINE (E - W) - General Information 1 1A-0-4 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation.
4G1 ENGINE (E - W) - General Information 1 1A-0-5 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation Descriptions 4G13 12-V AL VE - CARBURET OR 4G13 12-V AL VE - MPI T ype In-line OHV , SOHC In-line OHV , SOHC Number of cylinders 4 4 Combustion chamber Pentroof type Pentroof type T otal displacement dm 3 1,299 1,299 Cylinder bore mm 71.
4G1 ENGINE (E - W) - General Information 1 1A-0-6 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation Descriptions 4G13 16-V AL VE - MPI 4G18 16-V AL VE - MPI T ype In-line OHV , SOHC In-line OHV , SOHC Number of cylinders 4 4 Combustion chamber Pentroof type Pentroof type T otal displacement dm 3 1,299 1,584 Cylinder bore mm 71.
4G1 ENGINE (E - W) - General Information 1 1A-0-7 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation Descriptions 4G15 - CARBURETT OR 4G15 - MPI T ype In-line OHV , SOHC In-line OHV , DOHC Number of cylinders 4 4 Combustion chamber Semi spherical type Pentroof type T otal displacement dm 3 1,468 1,468 Cylinder bore mm 75.
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4G1 ENGINE (E - W) - Specifications 1 1A-1-1 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation 1. SPECIFICA TIONS SERVICE SPECIFICA TIONS Item Standard Limit Rocker arms, rocker shafts, and camshaft Camshaft cam SOHC 12-V AL VE Intake (primary) 38.78 38.
4G1 ENGINE (E - W) - Specifications 1 1A-1-2 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation Item Limit Standard Overall valve length SOHC 12-V AL VE Intake 100.75 100.25 mm Exhaust 101.05 105.55 SOHC 16-V AL VE Intake 1 1 1.56 1 1 1.06 Exhaust 1 14.
4G1 ENGINE (E - W) - Specifications 1 1A-1-2a PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation Item Standard Limit Crankshaft and cylinder block Crankshaft end play mm 0.05 - 0.18 0.25 Crankshaft journal diameter mm 48.0 - Crankshaft pin diameter mm 42.
4G1 ENGINE (E - W) - Specifications 1 1A-1-2b PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation Intentionally blank PWEE9520-A E Dec. 1998 Mitsubishi Motors Corporation Added PWEE9520-A E Dec.
4G1 ENGINE (E - W) - Specifications 1 1A-1-3 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REWORK DIMENSIONS Item Standard Limit Cylinder head and valves Cylinder head oversize valve guide SOHC 12-V AL VE 0.05 O. S. 12.050 - 12.068 - hole diameter mm 0.
4G1 ENGINE (E - W) - Specifications 1 1A-1-4 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation TORQUE SPECIFICA TIONS Item Nm Alternator and ignition system W ater pump pulley bolt 9 Alternator brac.
4G1 ENGINE (E - W) - Specifications 1 1A-1-5 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation Item Nm Thermo valve 27 W ater temperature gauge unit 11 W ater temperature sensor 29 W ater pump 13 Ex.
4G1 ENGINE (E - W) - Specifications 1 1A-1-5a PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation Item Nm Crankshaft and cylinder block Flywheel 132 Drive plate 132 Rear plate 10 Bell housing cover 10 Rear oil seal case 11 Bearing cap bolt 51 Oil pressure switch 18 Knock sensor 23 PWEE9520-A E Dec.
4G1 ENGINE (E - W) - Specifications 1 1A-1-5b PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation Intentionally blank PWEE9520-A E Dec. 1998 Mitsubishi Motors Corporation Added PWEE9520-A E Dec.
4G1 ENGINE (E - W) - Specifications 1 1A-1-6 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation NEW TIGHTENING METHOD USING PLASTIC REGION TIGHTENING BOL TS Parts of the engine use plastic region tightening bolts. The tightening procedure for these is different from that of conventional bolts a nd is described in relevant parts of this manual.
4G1 ENGINE (E - W) - Specifications 1 1A-1-7 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation FORM-IN-PLACE GASKET The engine has several areas where the form-in-place gasket (FIPG) is in use. T o ensure that the gasket fully serves its purpose, it is necessary to observe some precautions when applying the gasket.
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4G1 ENGINE (E - W) - Special T ools 1 1A-2-1 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation 2. SPECIAL TOOLS T ool Number Name Use MB990767 End yoke holder Holding camshaft sprocket when loosenin.
4G1 ENGINE (E - W) - Special T ools 1 1A-2-2 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation T ool Use Name Number MD998760 V alve stem seal installer Installation of valve stem seals (SOHC 12-V A.
4G1 ENGINE (E - W) - Alternator and Ignition System 1 1A-3-1 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation 3. AL TERNA TOR AN D IGNITION SYSTEM REMOV AL AND INST ALLA TION <SOHC 12-V AL VE> 22 Nm 6 7 44 Nm 23 Nm 4 123 Nm 8 9 3 2 23 Nm 1 11 25 Nm 10 13 12 12 Nm 9N m 5 Removal steps 1.
4G1 ENGINE (E - W) - Alternator and Ignition System 1 1A-3-1a PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL AND INST ALLA TION <SOHC 16-V AL VE - FRONT WHEEL DRIVE> 22 Nm 6 7 44 Nm 23 Nm 4 125 Nm 8 9 3 2 23 Nm 1 11 25 Nm 10 13 12 12 Nm 9N m 5 Removal steps 1.
4G1 ENGINE (E - W) - Alternator and Ignition System 1 1A-3-1b PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL AND INST ALLA TION <SOHC 16-V AL VE - REAR WHEEL DRIVE> 22 Nm 6 7 44 Nm 23 Nm 4 125 Nm 8 9 3 2 23 Nm 1 11 10 Nm 10 13 13 Nm 9N m 5 14 21 Nm 15 12 25 Nm 9N m Removal steps 1.
4G1 ENGINE (E - W) - Alternator and Ignition System 1 1A-3-2 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL AND INST ALLA TION <DOHC> 22 Nm 6 7 44 Nm 23 Nm 4 103 Nm 8 9 3 2 23 Nm 1 25 Nm 10 13 12 11 N m 9N m 5 11 Removal steps 1. Oil level gauge 2.
4G1 ENGINE (E - W) - Alternator and Ignition System 1 1A-3-3 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL SER VICE POINT A A " CRANKSHAFT BOL T REMOV AL (1) Lock t he flywheel or drive plate in position using t he special tool shown in the illustration, then loosen the crankshaft bolts.
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4G1 ENGINE (E - W) - T iming Belt 1 1A-4-1 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation 4. TIMING BEL T REMOV AL AND INST ALLA TION <SOHC> 11 N m 1 10 12 35 Nm 4 3 7 2 5 23 Nm 88 Nm 11 9 8 9N m 13 6 Removal steps 1. T iming belt upper cover 2.
4G1 ENGINE (E - W) - T iming Belt 1 1A-4-2 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL AND INST ALLA TION <DOHC> 11 N m 1 7 9 10 35 Nm 4 3 6 2 5 23 Nm 88 Nm 8 35 Nm 11 13 12 11 N m 11 N m Removal steps 1. T iming belt upper cover 2.
4G1 ENGINE (E - W) - T iming Belt 1 1A-4-3 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL SER VICE POINTS A A " TIMING BEL T / TENSIONER SPRING / TIMING BEL T TENSIONER REMOV AL (1) Using pliers, grip the tensioner spring projection (marked “A” in the diagram)and remove it from the oil pump case stopper .
4G1 ENGINE (E - W) - T iming Belt 1 1A-4-4 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation (7) Abnormal wear on teeth Initial stage: Canvas worn (fluffy canvas fibers, rubbery texture gone, white discoloration, canvas texture indistinct) Final stage: Canvas worn, exposing rubber (tooth width reduced) (8) Missing teeth 2.
4G1 ENGINE (E - W) - T iming Belt 1 1A-4-5 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation (3) Grip the other tensioner spring projection and fit it onto the oil pump case lug as shown in th e illustration. (4) Move th e timing belt tensioner in th e direction shown and temporarily tighten the bolt.
4G1 ENGINE (E - W) - T iming Belt 1 1A-4-6 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation " D A TIMING BEL T INST ALLA TION (1) Place t he camshaft sprocket timing marks at the positions shown. NOTE After aligning t he sprocket timing marks, let go of the sprockets.
4G1 ENGINE (E - W) - Fuel and Emission Control Systems 1 1A-5-1 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation 5. FUEL AND EMISSION CONTROL SYSTEMS REMOV AL AND INST ALLA TION <SOHC - CARBURETOR> 17 Nm 11 N m 22 Nm 21 Nm 11 12 10 9 8 7 3 2 4 5 6 1 Removal steps 1.
4G1 ENGINE (E - W) - Fuel and Emission Control Systems 1 1A-5-2 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL AND INST ALLA TION <SOHC - MPI> 11 N m 18 Nm 21 Nm 18 Nm 9N m 1 2 3 11 6 4 5 9 10 8 7 15 14 13 12 Removal steps 1. Throttle body assembly 2.
4G1 ENGINE (E - W) - Fuel and Emission Control Systems 1 1A-5-2a PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL AND INST ALLA TION <SOHC - REAR WHEEL DRIVE> 11 N m 18 Nm 21 Nm 9N m 1 2 3 11 6 4 5 9 10 8 7 13 12 9N m Removal steps 1.
4G1 ENGINE (E - W) - Fuel and Emission Control Systems 1 1A-5-2b PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation Intentionally blank PWEE9520-A E Dec.
4G1 ENGINE (E - W) - Fuel and Emission Control Systems 1 1A-5-3 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL AND INST ALLA TION <DOHC> 11 N m 11 6 2 1 18 Nm 9N m 3 5 4 9 10 8 7 Removal steps 1. Throttle body assembly 2. Gasket 3.
4G1 ENGINE (E - W) - Fuel and Emission Control Systems 1 1A-5-4 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation INST ALLA TION SER VICE POINTS " A A INJECT OR INST ALLA TION (1) Fit a new O-ring and grommet onto the injector . (2) Apply spindle oil or gasoline to th e injector O-ring.
4G1 ENGINE (E - W) - W ater Pump an d W ater Hose 1 1A-6-1 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation 6. W A TER PUMP AND W A TER HOSE REMOV AL AND INST ALLA TION <SOHC - CARBURETOR> 11 N m 1 2 3 4 5 6 7 8 9 10 11 12 13 14 27 Nm 27 Nm 22 Nm 23 Nm 12 Nm 13 Nm Removal steps 1.
4G1 ENGINE (E - W) - W ater Pump an d W ater Hose 1 1A-6-2 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL AND INST ALLA TION <SOHC - MPI> 2 13 Nm 12 10 9 11 12 Nm 11 N m 4 29 Nm 3 8 7 6 22 Nm 5 23 Nm 1 Removal steps 1. W ater hose 2.
4G1 ENGINE (E - W) - W ater Pump an d W ater Hose 1 1A-6-2a PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL AND INST ALLA TION <SOHC 16-V AL VE - MPI - FRONT WHEEL DRIVE> 2 13 Nm 12 10 9 11 12 Nm 11 N m 4 29 Nm 3 8 7 6 22 Nm 5 23 Nm 1 12 Nm Removal steps 1.
4G1 ENGINE (E - W) - W ater Pump an d W ater Hose 1 1A-6-2b PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL AND INST ALLA TION <SOHC 16-V AL VE - MPI - REAR WHEEL DRIVE> 2 13 Nm 12 11 10 12 Nm 11 N m 4 1 25 Nm 9 8 23 Nm 23 Nm 5 7 6 29 Nm 3 12 Nm Removal steps 1.
4G1 ENGINE (E - W) - W ater Pump an d W ater Hose 1 1A-6-3 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL AND INST ALLA TION <DOHC> 2 13 Nm 12 10 9 11 12 Nm 11 N m 4 29 Nm 3 8 7 6 22 Nm 5 23 Nm 1 12 Nm Removal steps 1. W ater hose 2.
4G1 ENGINE (E - W) - W ater Pump an d W ater Hose 1 1A-6-4 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation INST ALLA TION SER VICE POINTS " A A W A TER PUMP INST ALLA TION (1) Apply a 3 mm bead of form-in-place gasket (FIPG) to the mounting surface.
4G1 ENGINE (E - W) - W ater Pump an d W ater Hose 1 1A-6-5 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation " F A THERMO V AL VE INST ALLA TION (1) If the thermo valve is to be reused, apply the specified sealant to its thread. Specified sealant: Mitsubishi Genuine Part No.
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4G1 ENGINE (E - W) - Intake and Exhaust Manifolds 1 1A-7-1 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation 7. INT AKE A ND EXHAUST MANIFOLDS REMOV AL AND INST ALLA TION <SOHC - CARBURETOR> 17 Nm 1 2 3 4 5 6 7 8 30 Nm 17 Nm 29 Nm Removal steps 1.
4G1 ENGINE (E - W) - Intake and Exhaust Manifolds 1 1A-7-2 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL AND INST ALLA TION <SOHC - MPI> 1 3 4 44 Nm 5 9 8 7 29 Nm 6 17 Nm 2 21 Nm 17 Nm 17 Nm Removal steps 1. Engine hanger 2. Intake manifold stay 3.
4G1 ENGINE (E - W) - Intake and Exhaust Manifolds 1 1A-7-2a PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL AND INST ALLA TION <SOHC 16-V AL VE - MPI - REAR WHEEL DRIVE> 2 4 5 17 Nm 11 10 9 29 Nm 8 3 21 Nm 17 Nm 17 Nm 29 Nm 6 7 1 5N m 9N m 19 Nm Removal steps 1.
4G1 ENGINE (E - W) - Intake and Exhaust Manifolds 1 1A-7-2b PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL AND INST ALLA TION <SOHC - CARBURETOR FOR CENTRAL AMERICA> 2 4 5 17 Nm 11 10 9 54 Nm 8 30 Nm 17 Nm 11 N m 29 Nm 6 7 1 13 Nm 83 Nm 8 3 12 Removal steps 1.
4G1 ENGINE (E - W) - Intake and Exhaust Manifolds 1 1A-7-3 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL AND INST ALLA TION <DOHC> 1 3 4 9 8 7 29 Nm 6 17 Nm 2 21 Nm 17 Nm 17 Nm 5 44 Nm 29 Nm Removal steps 1. Engine hanger 2. Intake manifold stay 3.
4G1 ENGINE (E - W) - Intake and Exhaust Manifolds 1 1A-7-4 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation INST ALLA TION SER VICE POINTS " A A REED V AL VE, BRACKET AND AIR PIPE INST ALLA TION (1) Insert the lower en d of the air pipe into the exhaust manifold, then tighten the pipe nut temporarily .
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4G1 ENGINE (E - W) - Rocker Arms an d Camshafts 1 1A-8-1 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation 8. ROCKER ARMS AND CAMSHAFTS REMOV AL AND INST ALLA TION <SOHC 12-V AL VE> 15 Nm 1 5 2 3 6 4N m 9 14 13 7 12 11 15 16 17 21 20 19 22 10 8 31 Nm 18 4 Apply engine oil to all moving parts before installation.
4G1 ENGINE (E - W) - Rocker Arms an d Camshafts 1 1A-8-1a PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL AND INST ALLA TION <SOHC 16-V AL VE> 35 Nm 9N m 31 Nm 1 2 3 4 5 6 10 11 12 13 14 15 16 17 18 19 20 21 9N m Apply engine oil to all moving parts before installation.
4G1 ENGINE (E - W) - Rocker Arms an d Camshafts 1 1A-8-1b PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation Intentionally blank PWEE9520-A E Dec. 1998 Mitsubishi Motors Corporation Added.
4G1 ENGINE (E - W) - Rocker Arms an d Camshafts 1 1A-8-2 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL AND INST ALLA TION <DOHC> 24 Nm 1 2 3 5 4 6 7 9 11 12 13 14 15 11 N m 10 8 Apply engine oil to all moving parts before installation.
4G1 ENGINE (E - W) - Rocker Arms an d Camshafts 1 1A-8-3 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation INSPECTION 1. CAMSHAFT (1) Measure the cam heights and replace the camshaft if any height exceeds the specified limit. Standard value mm Limit mm Intake SOHC 12-V AL VE 38.
4G1 ENGINE (E - W) - Rocker Arms an d Camshafts 1 1A-8-4 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation (3) While gently pushing down the internal steel ball using special tool MD998442, move the plunger through 5 to 10 strokes until it slides smoothly .
4G1 ENGINE (E - W) - Rocker Arms an d Camshafts 1 1A-8-5 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation (7) Place the lash adjuster in container C. Then, gently push down the internal steel ball using special tool MD998442. Caution Do not use container C for cleaning.
4G1 ENGINE (E - W) - Rocker Arms an d Camshafts 1 1A-8-6 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation NOTE Replace the lash adjuster if the time measurement is out of specification. (13)Place the lash adjuster in container C again, then gently push down the internal steel ball using special tool MD998442.
4G1 ENGINE (E - W) - Rocker Arms an d Camshafts 1 1A-8-7 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation " B A BEARING CAP INST ALLA TION (1) Position the camshaft dowel pins as shown. NOTE With the camshaft dowel pins in this position, t he camshaft notches for tightening cylinder head bolt are correctly positioned.
4G1 ENGINE (E - W) - Rocker Arms an d Camshafts 1 1A-8-8 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation " E A ROCKER ARM / ROCKER SHAFT ASSEMBL Y INST ALLA TION (1) Assemble the rocker arms and rocker shaft, paying attention to the identification marks.
4G1 ENGINE (E - W) - Rocker Arms an d Camshafts 1 1A-8-9 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation " H A ROCKER COVER INST ALLA TION (1) Apply the specified sealant to the area shown, then fit the rocker cover . Specified sealant: 3M A TD part No.
4G1 ENGINE (E - W) - Rocker Arms an d Camshafts 1 1A-8-10 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation <SOHC 16-V AL VE> (1) Position the No. 1 cylinder at top dead center on the compression stroke. (2) Adjust the valve clearance at the points shown in t he illustration.
4G1 ENGINE (E - W) - Cylinder Head and V alves 1 1A-9-1 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation 9. CYLINDER HEAD AND V AL VES REMOV AL AND INST ALLA TION <SOHC 12-V AL VE> Apply engine oil to all moving parts before installation. 1 2 22 4 5 6 14 13 17 19 7 20 8 12 21 18 16 15 11 10 9 3 Removal steps A A "" D A 1.
4G1 ENGINE (E - W) - Cylinder Head and V alves 1 1A-9-1a PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL AND INST ALLA TION <SOHC 16-V AL VE> Apply engine oil to all moving parts before installation. 1 2 4 5 6 14 13 17 19 7 8 12 18 16 15 11 10 9 3 20 Removal steps A A "" D A 1.
4G1 ENGINE (E - W) - Cylinder Head and V alves 1 1A-9-1b PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation Intentionally blank PWEE9520-A E Dec. 1998 Mitsubishi Motors Corporation Added.
4G1 ENGINE (E - W) - Cylinder Head and V alves 1 1A-9-2 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL AND INST ALLA TION <DOHC> Apply engine oil to all moving parts before installation. 1 2 4 5 6 14 13 17 19 7 8 12 18 16 15 11 10 9 3 20 Removal steps A A "" D A 1.
4G1 ENGINE (E - W) - Cylinder Head and V alves 1 1A-9-3 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL SER VICE POINTS A A " CYLINDER HEAD BOL T REMOV AL A B " RET AINER LOCK REMOV AL (1) T ag removed valves, springs, and other components, noting their cylinder numbers an d locations to facilitate reassembly .
4G1 ENGINE (E - W) - Cylinder Head and V alves 1 1A-9-4 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation A C " V AL VE STEM SEAL REMOV AL INSPECTION 1. CYLINDER HEAD (1) Before cleaning the cylinder head, check it for water leaks, gas leaks, cracks, and other damage.
4G1 ENGINE (E - W) - Cylinder Head and V alves 1 1A-9-5 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation (3) Measure the valve’s total length. If the measurement is less than specified, replace the valve. Standard mm Limit mm Intake SOHC 12-V AL VE 100.
4G1 ENGINE (E - W) - Cylinder Head and V alves 1 1A-9-6 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation 4. V AL VE GUIDES (1) Measure the clearance between the valve guide and valve stem. If the clearance exceeds the specified limit, replace either or both components.
4G1 ENGINE (E - W) - Cylinder Head and V alves 1 1A-9-7 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation V AL VE SEA T CORRECTION SERVICE POINTS (1) Before correcting the valve seat, check the clearance between the valve guide a nd valve. If necessary , replace the valve guide.
4G1 ENGINE (E - W) - Cylinder Head and V alves 1 1A-9-8 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation V AL VE GUIDE REPLACEMENT SER VICE POINTS (1) Using a press, push the valve guide out toward the cylinder block side. (2) Rebore the valve guide hole in the cylinder head to match the oversize valve guide that is to be fitted.
4G1 ENGINE (E - W) - Cylinder Head and V alves 1 1A-9-9 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation " B A V AL VE SPRING INST ALLA TION (1) Install the valve spring such that its painted end is on the rocker arm side.
4G1 ENGINE (E - W) - Cylinder Head and V alves 1 1A-9-10 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation (4) T ighten the bolts in the sequence shown until each is torqued to 49 Nm. (5) Completely loosen t he bolts. (6) Retighten the bolts in the sequence shown until each is torqued to 20 Nm.
4G1 ENGINE (E - W) - Oil Pump an d Oil Pan 1 1A-10-1 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation 10. OIL PUMP AN D OIL P AN REMOV AL AND INST ALLA TION 11 1 12 14 13 16 15 10 9 8 6 5 7 2 3 10 Nm 13 Nm 44 Nm 18 Nm 7N m 4 39 Nm 23 Nm Apply engine oil to all moving parts before installation.
4G1 ENGINE (E - W) - Oil Pump an d Oil Pan 1 1A-10-2 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL SER VICE POINTS A A " OIL P AN REMOV AL (1) Remove t he oil pa n mounting bolts. (2) Knock the special tool between the oil pan and cylinder block as shown in th e illustration.
4G1 ENGINE (E - W) - Oil Pump an d Oil Pan 1 1A-10-3 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation INST ALLA TION SER VICE POINTS " A A FRONT OIL SEAL CASE INST ALLA TION (1) Clean the sealant application surfaces on the cylinder block and front oil seal case.
4G1 ENGINE (E - W) - Oil Pump an d Oil Pan 1 1A-10-4 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation " E A OIL FIL TER INST ALLA TION (1) Clean th e filter mounting surface on the front case. (2) Apply engine oil to the oil filter ’ s O-ring.
4G1 ENGINE (E - W) - Pistons and Connecting Rods 1 1A-1 1-1 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation 1 1. PIST ONS AND CONNECTING RODS REMOV AL AND INST ALLA TION 6 7 8 10 12 4 9 11 5 1 2 3 Apply engine oil to all moving parts before installation.
4G1 ENGINE (E - W) - Pistons and Connecting Rods 1 1A-1 1-2 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL SER VICE POINTS A A " CONNECTING ROD CAP REMOV AL (1) Mark the cylinder number on th e side of th e connecting rod big end to facilitate reassembly .
4G1 ENGINE (E - W) - Pistons and Connecting Rods (A - C) - (B - D) L= 2 1 1A-1 1-3 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation 2. CRANKSHAFT PIN OIL CLEARANCE (PLASTIC GAUGE METHOD) (1) Wipe all oil off the crankshaft pin an d connecting rod bearing.
4G1 ENGINE (E - W) - Pistons and Connecting Rods 1 1A-1 1-4 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation (8) Mount the piston and connecting rod on the Piston Pin Setting Base (special tool) with the piston’s front mark pointing upward. (9) Install the piston pin using a press.
4G1 ENGINE (E - W) - Pistons and Connecting Rods 1 1A-1 1-5 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation " C A PISTON RING No. 2 / PISTON RING No. 1 INST ALLA TION (1) Using piston ring expander , fit No. 2 and No. 1 piston ring into position.
4G1 ENGINE (E - W) - Pistons and Connecting Rods 1 1A-1 1-6 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation " E A CONNECTING ROD BEARING INST ALLA TION Identification mark positions No. 4 No. 1 No. 3 No. 2 B A 4G13, 4G15 4G18 Color code positions No.
4G1 ENGINE (E - W) - Pistons and Connecting Rods 1 1A-1 1-7 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation " F A CONNECTING ROD CAP INST ALLA TION (1) Aligning the marks made during disassembly , fit t he bearing cap onto the connecting rod.
4G1 ENGINE (E - W) - Pistons and Connecting Rods 1 1A-1 1-8 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation Caution 1. If the nuts are turned by less than 90 _ , the cap may not be held on with sufficient strength. 2. If the nuts are turned by more than 100 _ , loosen them completely and carry out the tightening procedure again.
4G1 ENGINE (E - W) - Crankshaft and Cylinder Block 1 1A-12-1 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation 12. CRANKSHAFT AND CYLINDER BLOCK REMOV AL AND INST ALLA TION Apply engine oil to all moving parts before installation.
4G1 ENGINE (E - W) - Crankshaft and Cylinder Block 1 1A-12-2 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation Removal steps 1. Flywheel bolt 2. Flywheel 3. Flywheel bolt 4. Adapter plate 5. Flywheel 6. Adapter plate 7. Crankshaft bushing 8. Drive plate bolt 9.
4G1 ENGINE (E - W) - Crankshaft and Cylinder Block 1 1A-12-3 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation REMOV AL SER VICE POINTS A A " OIL PRESSURE SWITCH REMOV AL (1) Disconnect the oil pressure switch terminals. (2) Using the special tool, remove the oil pressure switch.
4G1 ENGINE (E - W) - Crankshaft and Cylinder Block 1 1A-12-4 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation (4) Using a cylinder gauge, measure each cylinder ’ s bore and cylindricity . If any cylinder is severely worn, bore all the cylinders to oversize and replace the piston and piston rings accordingly .
4G1 ENGINE (E - W) - Crankshaft and Cylinder Block 1 1A-12-5 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation " B A CRANKSHAFT BEARING INST ALLA TION 4G13, 4G15 Color code positions (type 1) No. 5 No. 2 Color code positions (type 2) No. 4 No. 3 No.
4G1 ENGINE (E - W) - Crankshaft and Cylinder Block 1 1A-12-6 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation Crankshaft journal Cylinder block bearing diameter Bearing Range Color code Identification mark Journal diameter mm Identification mark Identification mark 1 Y ellow 1 47.
4G1 ENGINE (E - W) - Crankshaft and Cylinder Block 1 1A-12-7 PWEE9520 E Nov . 1995 Mitsubishi Motors Corporation " C A BEARING CAP INST ALLA TION (1) On the bottom surface of each bearing cap is the cap’s number and an arrow . Starting at t he timing belt side, fit the bearing caps in numerical order .
NOTES.
Een belangrijk punt na aankoop van elk apparaat Mitsubishi 4G1 (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen Mitsubishi 4G1 heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens Mitsubishi 4G1 vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding Mitsubishi 4G1 leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over Mitsubishi 4G1 krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van Mitsubishi 4G1 bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de Mitsubishi 4G1 kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met Mitsubishi 4G1 . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
