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11A-0-1
ENGINE
6G7 SERIES
CONTENTS
GENERAL INFORMATION ........................................... 11A-0-3
...............................................
1. SPECIFICATIONS 11A-1-1
SERVICE SPECIFICATIONS .................................. 11A-1-1
REWORK DIMENSIONS ....................................... 11A-1-2
TORQUE SPECIFICATIONS ................................... 11A-1-3
SEALANTS ..................................................... 11A-1-5
FORM-IN-PLACE GASKET .............................
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11A-0-2 NOTES E Mitsubishi Motors Corporation Dec. 1996 PWEE9615
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11A-0-3 6G7 ENGINE (E-W) - General Information GENERAL INFORMATION GENERAL SPECIFICATIONS Descriptions 6G72-SOHC Type 60_ OHV, SOHC Number of cylinders 6 Combustion chamber Compact type 3 Total displacement dm 2.972 Cylinder bore mm 91.1 Pistonstroke mm 76.0 Compression ratio 8.9 Valve timing Intake valve Opens(BTDC) 15° (Camshaftidentifica- tionmark: 1) Closes (ABDC) 53° Exhaustvalve Opens(BBDC) 53° Closes (ATDC) 15° Lubrication system Pressure feed, full-flow filtration Oil pump type Trochoid
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11A-1-1 6G7 ENGINE (E-W) - Specifications 1. SPECIFICATIONS SERVICE SPECIFICATIONS Items Standard Limit Timing belt Auto-tensioner rod length mm 3.8 - 5.0 - Auto-tensioner rod projection length mm 12 - Auto-tensionerrodpushed-inamount(whenpushedwithaforceof98 1.0 or less - - 196 N) mm Rocker arms and camshaft Camshaft cam height mm (Identification Intake 37.71 37.21 mark: 1) Exhaust 37.14 36.64 Camshaft journal outside diameter mm 45 - Lash adjuster leak down time 4 - 20/1.0 - [diesel fuel at 15
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11A-1-2 6G7 ENGINE (E-W) - Specifications Items Standard Limit Oil pump side clearance mm 0.04 -0.10 - Oil pump body clearance mm 0.10 - 0.18 0.35 Piston and connecting rod Piston outside diameter mm 91.1 - Piston ring to ring groove clearance mm No. 1 0.03 - 0.07 0.1 No. 2 0.02 - 0.06 0.1 Pistonring end gap mm No. 1 0.30 - 0.45 0.8 No. 2 0.45 - 0.60 0.8 Oil ring side rail 0.20 - 0.60 1.0 Piston pin outside diameter mm 22.0 - Piston pin press-in load N (Room temperature) 7,350 - 17,200 - Cranksh
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11A-1-3 6G7 ENGINE (E-W) - Specifications TORQUE SPECIFICATIONS Items Nm Alternator Drive belt tensioner pulley nut 49 Crankshaft bolt 181 Alternator pivot nut 44 Alternator bolt M8 21 Alternator bolt M10 48 Dipstick tube 13 Air intake plenum Air intake plenum stay bolt M8 17 Air intake plenum stay bolt M10 35 Accelerator cable bracket 4 Bracket 11 Throttle body bolt 11 Air intake plenum bolt and nut 17 Exhaustgas recirculation valve bolt 21 Exhaust gas recirculation pipe bolt 17 Exhaustgas reci
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11A-1-4 6G7 ENGINE (E-W) - Specifications Items Nm Intake manifold Engine coolant temperature gauge unit 11 Engine coolant temperature sensor 29 Heater pipe bolt 18 Water outletfitting bolt 18 Water inlet fitting bolt 18 Thermostat housing bolt 18 Water pipe bolt 13 Delivery pipe 11 Intake manifold bolt 21 Fuel pipe bolt 8.8 Fuel pressure regulator bolt 8.8 Exhaust manifold Heatprotectorbolt 13 Exhaustmanifold bolt 49 Engine hanger 35 Oil level gauge guide bolt 13 Water pump bolt M8 23 Water pum
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11A-1-5 6G7 ENGINE (E-W) - Specifications Items Nm Oil pan, upper bolt 5.9 Baffle plate bolt (oil pan side) 11 Baffle plate bolt (cylinder block side) 9.8 Oil screen bolt 18 Relief plug 44 Oil pump case bolt 13 Oil pump cover bolt 9.8 Piston and connecting rod Connecting rod cap 51 Crankshaft, flywheel and drive plate Flywheel bolt 74 Drive plate bolt 74 Rear plate bolt 11 Oil seal case bolt 11 Bearing cap bolt 93 SEALANTS Description Specified sealant Quantity Engine coolant temperature gauge u
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11A-1-6 6G7 ENGINE (E-W) - Specifications FORM-IN-PLACE GASKET The engine has several areas where the form-in-place gasket (FIPG) is in use. To ensure that the gasket fully serves its purpose, it is necessary to observe some precautions when applying the gasket. Bead size, continuity and location are of paramount importance. Too thin a bead could cause leaks. Too thick a bead, on the other hand, could be squeezed out of location, causing blocking or narrowing of the fluid feed line. To eliminate
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11A-2-1 6G7 ENGINE (E-W) - Special Tools 2. SPECIAL TOOLS Tool Number Name Use MB991559 Camshaft oil seal Installation of camshaft oil seal (onleft bank) installer adaptor (Used incombination withMD998713) MD998051 Cylinder head bolt Looseningandtighteningofcylinder headbolt wrench MD998440 Leak-down tester Leak-down test of lash adjuster MD998441 Lash adjuster Air bleeding of lash adjuster retainer MD998442 Air bleed wire Air bleeding of lash adjuster MD998443 Auto-lash adjuster Holding of the
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11A-2-2 6G7 ENGINE (E-W) - Special Tools Tool Number Name Use MD998774 Valve stem seal Installation of valve stem seal installer MD998780 Piston pin setting Removal and installation of piston pin tool MD998781 Flywheel stopper Holding flywheel or drive plate MD998767 Tensioner pulley Adjustment of timing belttension MB990767 Endyokeholder Holding camshaft sprocket (Used incombination withMD998715) MD998715 Pulley holder pin Holding camshaft sprocket (Used incombination withMB990767) MD998735 Val
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11A-3-1 6G7 ENGINE (E-W) - Alternator 3. ALTERNATOR REMOVAL AND INSTALLATION 7 8 9 181 Nm 13 Nm 10 21 Nm 2 48 Nm 44 Nm 6 1 3 49 Nm 4 5 7EN1030 Removal steps 1. Tensioner pulley 6. Alternator bracket AA""AA 2. Crankshaft bolt 7. Dip stick 3. Washer 8. O-ring 4. Crankshaft pulley 9. Dip stick tube 5. Alternator 10. O-ring Mitsubishi Motors Corporation Dec. 1996 PWEE9615 E
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11A-3-2 6G7 ENGINE (E-W) - Alternator REMOVAL SERVICE POINTS MD998781 AA" CRANKSHAFT BOLT (1) With the Special Tool fixed to the drive plate or flywheel remove the crankshaft bolt. 7EN0856 INSTALLATION SERVICE POINTS " A A CRANKSHAFT BOLT (1) With the Special Tool fixed to the drive plate or flywheel install the crankshaft bolt. Mitsubishi Motors Corporation Dec. 1996 PWEE9615 E
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11A-4-1 6G7 ENGINE (E-W) - Air Intake Plenum 4. AIR INTAKE PLENUM REMOVAL AND INSTALLATION 11 Nm 9 10 11 17 Nm 4Nm 17 Nm 17 Nm 2 3 21 Nm 4 1 5 12 35 Nm 11 Nm 13 7 6 8 17 Nm 56 Nm 7EN1031 Removal steps 1. Air intake plenum stay, front 8. Connector bracket 2. Air intake plenum stay, rear 9. Vacuum pipe 3. Accelerator cable bracket 10. Throttle body 4. EGR valve "AA 11. Throttle body gasket 5. EGR valve gasket 12. Air intake plenum 6. EGR pipe 13. Air intake plenum gasket 7. EGR pipe gasket Mitsubi
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11A-4-2 6G7 ENGINE (E-W) - Air Intake Plenum INSTALLATION SERVICE POINTS Protrusion "AA THROTTLE BODY GASKET (1) Install gasket with protrusion as illustrated. 6AE0277 Mitsubishi Motors Corporation Dec. 1996 PWEE9615 E
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11A-5-1 6G7 ENGINE (E-W) - Ignition System 5. IGNITION SYSTEM REMOVAL AND INSTALLATION 23 Nm 1 3 4 25 Nm 1 2 7EN0965 Removal steps 1. Spark plug cable 2. Spark plug 3. Distributor 4. O-ring Mitsubishi Motors Corporation Dec. 1996 PWEE9615 E
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6G7 ENGINE (E-W) - Timing Belt 11A-6-1 6. TIMING BELT REMOVAL AND INSTALLATION 23 Nm 21 22 20 13 Nm 19 88 Nm 7 6 23 Nm 10 9 14 12 44 Nm 11 13 17 44 Nm 16 18 8 15 1 48 Nm 2 5 11 Nm 13 Nm 9Nm 11 Nm 3 7EN0862 44 Nm 4 Removal steps 1. Timing belt front upper cover, rear 12. Idler pulley adjusting bracket 2. Timing belt front upper cover, front 13. Adjusting bolt 3. Timing belt front lower cover 14. Adjusting stud "DA 4. Engine support bracket 15. Crankshaft sprocket 5. Crank angle sensor 16. Sensing
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11A-6-2 6G7 ENGINE (E-W) - Timing Belt REMOVAL SERVICE POINTS AA" TIMING BELT (1) When the timing belt is to be reused, in order to allow re-installation of the belt so that it travels in the same direction as before it was removed, mark the direction of travel with an arrow before removing it. Caution D As water or oil on the belt can seriously reduce its usable life, ensure that the timing belt, sprocket, 7EN0145 and tensioner stay clean and dry while removed, and never wash them. Parts that h
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6G7 ENGINE (E-W) - Timing Belt 11A-6-3 (7) Badly worn teeth. Initial stage: Rubber exposed Canvas is worn (fluffy canvas fibres are visible, rubber is gone and colour has changed to white. Canvastexture Tooth missing is not clear). and canvas fiber Last stage: exposed Canvas is worn out and rubber exposed and its width is reduced. (8) Missing tooth. 8EN0068 AUTO-TENSIONER (1) Check for oil leaks. If oil leaks are evident, replace the L auto-tensioner. (2) Check the rod end for wear or damage a
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11A-6-4 6G7 ENGINE (E-W) - Timing Belt 2 Slowly close the vice to force the rod in until the set A hole (A) of the rod is lined up with the set hole (B) of the cylinder. B 3 Insert a metal wire (1.4 mm in diameter) into the set holes. 4 Remove the auto-tensioner from the vice. (2) Install the auto tensioner on the cylinder block through the oil pump case. 7EN0227 "CA TIMING BELT (1) Turn the crankshaft sprocket to position its timing mark Timing mark 3teethawayfromthetimingmarkonthecrankcase.(Th
