Mitsubishi 6A1 user manual

User manual for the device Mitsubishi 6A1

Device: Mitsubishi 6A1
Category: Automobile Parts
Manufacturer: Mitsubishi
Size: 2.02 MB
Added : 10/6/2014
Number of pages: 83
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Abstracts of contents
Summary of the content on the page No. 1

11A-0-1
ENGINE
6A1 SERIES
CONTENTS
GENERAL INFORMATION ........................................... 11A-0-3
1. SPECIFICATIONS ............................................... 11A-1-1
SERVICE SPECIFICATIONS .................................. 11A-1-1
REWORK DIMENSIONS ....................................... 11A-1-3
TORQUE SPECIFICATION .................................... 11A-1-4
NEW TIGHTENING METHOD - BY USE OF BOLTS TO BE
TIGHTENED IN PLASTIC AREA .............................. 11A-1-7
SEALANTS .

Summary of the content on the page No. 2

11A-0-2 NOTES E Mitsubishi Motors Corporation Feb. 1997 PWEE9622

Summary of the content on the page No. 3

11A-0-3 6A1 ENGINE (E-W) - General Information GENERAL INFORMATION GENERAL SPECIFICATIONS Descriptions 6A12 6A13 Type 60° V, OHV, DOHC (for each bank) 60° V, OHV, SOHC (for each bank) Number of cylinders 6 6 Combustion chamber Pentrooftype Pentrooftype 3 Total displacement dm 1,998 2,498 Cylinder bore mm 78.4 81.0 Pistonstroke mm 69.0 80.8 1 2 Compression ratio 10.0 9.5* or 9.0* Valve timing Intake Opens 15° (Low-speed cam) 15° valve (BTDC) 37.5° (High-speed cam) Closes 41° (Low-speed cam) 53° (

Summary of the content on the page No. 4

11A-1-1 6A1 ENGINE (E-W) - Specifications 1. SPECIFICATIONS SERVICE SPECIFICATIONS Items Standard value Limit Timing belt Auto tensioner rod projection mm 12.0 - Autotensioner rodpushed-in amount(when pushedwith aforce 1.0 or less - of 98 - 196 N) mm Rocker arm and camshaft Camshaft cam height mm Intake 35.20 34.70 Exhaust 34.70 34.20 Camshaft journal diameter mm 45 - Rocker cover and camshaft Camshaft cam height mm Intake (Low-speed cam) 34.34 33.84 (High-speed cam) 36.46 35.96 E

Summary of the content on the page No. 5

11A-1-2 6A1 ENGINE (E-W) - Specifications Items Standard value Limit Overall valve length mm Intake SOHC 113.02 112.52 MIVEC 112.37 111.87 Exhaust SOHC 115.32 114.82 MIVEC 110.74 110.74 Valve spring free height mm SOHC 49.9 48.9 MIVEC 51.5 50.5 Valve spring load/installed SOHC 265/43.4 - height N/mm MIVEC 255/44.5 - Valve spring squareness 2° 4° Valve seat contact width mm 0.9 - 1.3 - Valve guide internal diameter mm 6.6 - Valve guide projection mm SOHC 14.0 - MIVEC 19.0 - Oil pump case and oil

Summary of the content on the page No. 6

11A-1-3 6A1 ENGINE (E-W) - Specifications Items Standard value Limit Crankshaft journal diameter 6A12 53.0 - mm 6A13 56.0 - Crankshaft pin diameter mm 6A12 43.0 - 6A13 51.0 - Crankshaft journal oil clearance mm 0.02 - 0.04 0.1 Cylinder block gasket surface flatness mm 0.05 - Cylinderblockgasket surfacegrinding limit(including grindingof - 0.2 cylinder head gasket surface) mm Cylinder block overall height 6A12 190.0 - mm 6A13 209.0 - Cylinder block cylindricity mm 0.01 or less - Cylinder block in

Summary of the content on the page No. 7

11A-1-4 6A1 ENGINE (E-W) - Specifications TORQUE SPECIFICATION Items Nm Alternator and drive belt Alternator pivot nut 44 Alternator bolt 21 Oil level gauge guide 23 Tensioner pulley 15 Engine hanger 23 Tensioner pulley bracket A 45 Crankshaft bolt 182 Engine cover 3 Timing belt Timing belt front cover 11 Engine support bracket 49 Angle sensor 9 Angle sensor connector bracket 11 Tensioner pulley 48 Tensioner arm 24 Auto tensioner 21 Camshaft sprocket bolt 88 Idler pulley 35 Timing belt rear cove

Summary of the content on the page No. 8

11A-1-5 6A1 ENGINE (E-W) - Specifications Items Nm Ignition system Spark plug 25 Water cover (SOHC) 11 Distributor (SOHC) 13 Ignition failure sensor (MIVEC) 10 Condenser bracket assembly (MIVEC) 5 Ignition coil (MIVEC) 10 Water pump and water pipe Engine hanger (MIVEC) 11 Engine coolant temperature gauge unit 11 Engine coolant temperature sensor 29 Heater pipe (SOHC) 23 Water inlet fitting 18 Water outlet fitting 18 Thermostat housing 23 Water pipe 13 Water pump 23 Intake manifold and exhaust ma

Summary of the content on the page No. 9

11A-1-6 6A1 ENGINE (E-W) - Specifications Items Nm Arm spring holder 11 Rocker arm and rocker shaft cap Rocker shaft cap 11 Cylinder head and valves Cylinder head bolt 20 + 120° + 120° Oil pan and oil pump Oil pressure switch 10 Oil filter cover 21 Water hose 30 Bolt 68 Drain plug 39 Oil level sensor 9 Oil pan 7 Oil screen 19 Baffle plate 9 Relief plug 44 Oil pump case 14 Oil pump case cover 12 Piston and connecting rod Connecting rod 18 + 90° - 100° Crankshaft, cylinder block, flywheel

Summary of the content on the page No. 10

11A-1-7 6A1 ENGINE (E-W) - Specifications NEW TIGHTENING METHOD - BY USE OF BOLTS TO BE TIGHTENED IN PLASTIC AREA A new type of bolts, to be tightened in plastic area, is currently used in some parts of the engine. The tightening method for the bolts is different from the conventional one. Be sure to observe the method described in the text when tightening the bolts. Service limits are provided for the bolts. Make sure that the service limits described in the text are strictly observed. D Areas

Summary of the content on the page No. 11

11A-1-8 6A1 ENGINE (E-W) - Specifications FORM-IN-PLACE GASKET (FIPG) 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 el

Summary of the content on the page No. 12

11A-2-1 6A1 ENGINE (E-W) - Special Tools 2. SPECIAL TOOLS Tool Number Name Use MB990685 Torque wrench Adjustment of timing belttension MB990938 Handle UsewithMD998776 MB990767 Crankshaft pulley Holding camshaft sprocket when loosening holder and tightening of bolt. UsewithMD998719 MB991477 Valve adjusting Adjustment of valve clearance (MIVEC) wrench MB991478 Valve adjusting Adjustment of valve clearance (MIVEC) wrench feeler gauge set MB991479 Rocker arm Adjustment of valve clearance (MIVEC) pis

Summary of the content on the page No. 13

11A-2-2 6A1 ENGINE (E-W) - Special Tools Tool Number Name Use 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 Lash adjuster Retainerforholdinglashadjusterinrockerarm holder attimeofremovalandinstallationofrockerarm and rockershaft assembly MD998713 Camshaft oil seal Installation of camshaft oil seal installer MD998716 Crankshaft wrench Rotation of crankshaft when

Summary of the content on the page No. 14

11A-2-3 6A1 ENGINE (E-W) - Special Tools Tool Number Name Use MD998735 Valve spring Compression of valve spring compressor MD998754 Pin UsewithMB990767 MD998767 Tensioner pulley Adjustment of timing belttension socket wrench MD998772 Valve spring Removal and installation of valve and related compressor parts MD998774 Valve stem seal Installation of valve stem seal installer MD998775 Valve stem seal Installation of valve stem seal installer MD998776 Crankshaft rear oil Installation of crankshaftr

Summary of the content on the page No. 15

11A-2-4 6A1 ENGINE (E-W) - Special Tools Tool Number Name Use MD998780 SETTING TOOL Removal and installation of piston pin Pistonpin MD998781 Flywheel stopper Holding flywheel and drive plate MD998784 Valve spring Compression of valve spring (MIVEC) compressor (UsewithMD998772) adapter Mitsubishi Motors Corporation Feb. 1997 PWEE9622 E

Summary of the content on the page No. 16

11A-3-1 6A1 ENGINE (E-W) - Drive Belt 3. DRIVE BELT REMOVAL AND INSTALLATION 3Nm 16 44 Nm 21 Nm 2 44 Nm 11 9 1 23 Nm 3 23 Nm 15 7 6 12 14 13 10 44 Nm 8 182 Nm 4 15 Nm 5 Removal steps 1. Drive belt 9. Tensioner pulley bracket B 2. Alternator 10. Adjusting stud 3. Oil level gauge (dipstick) 11. Adjusting bolt 4. Oil level gauge guide AA""AA 12. Crankshaft bolt 5. O-ring 13. Special washer 6. Tensioner pulley 14. Crankshaft pulley 7. Engine hanger 15. Flange 8. Tensioner pulley bracket A 16.

Summary of the content on the page No. 17

11A-3-2 6A1 ENGINE (E-W) - Drive Belt REMOVAL AND INSTALLATION 3Nm 16 21 Nm 44 Nm 2 1 11 44 Nm 9 3 23 Nm 13 23 Nm 7 15 6 12 10 14 44 Nm 8 182 Nm 4 15 Nm 5 Removal steps 1. Drive belt 9. Tensioner pulley bracket B 2. Alternator 10. Adjusting stud 3. Oil level gauge (dipstick) 11. Adjusting bolt 4. Oil level gauge guide AA""AA 12. Crankshaft bolt 5. O-ring 13. Special washer 6. Tensioner pulley 14. Crankshaft pulley 7. Engine hanger 15. Flange 8. Tensioner pulley bracket A 16. Engine cover

Summary of the content on the page No. 18

11A-3-3 6A1 ENGINE (E-W) - Drive Belt REMOVAL SERVICE POINTS AA" CRANKSHAFT PULLEY BOLT REMOVAL (1) Holdtheflywheelordriveplateinpositionwiththespecial tool before removing the crankshaft pulley bolts. INSTALLATION SERVICE POINTS "AA CRANKSHAFT PULLEY BOLT INSTALLATION (1) Holdtheflywheelordriveplateinpositionwiththespecial MD998781 tool before installing the crankshaft pulley bolts. 6AE0039 Mitsubishi Motors Corporation Feb. 1997 PWEE9622 E

Summary of the content on the page No. 19

11A-4-1 6A1 ENGINE (E-W) - Timing Belt 4. TIMING BELT REMOVAL AND INSTALLATION 17 11 Nm 35 Nm 16 6 88 Nm 15 14 48 Nm 8 24 Nm 13 12 18 11 11 Nm 9 7 5 1 11 Nm 21 Nm 3 10 2 4 9Nm 49 Nm 11 Nm 11 Nm Removal steps 1. Timing belt front cover, upper right "BA 10. Auto tensioner 2. Timing belt front cover, upper left 11. Crankshaft sprocket 3. Timing belt front cover, lower 12. Sensing plate 4. Engine support bracket 13. Crankshaft spacer 5. Angle sensor AB""AA 14. Camshaft sprocket bolt AA""CA 6.

Summary of the content on the page No. 20

11A-4-2 6A1 ENGINE (E-W) - Timing Belt REMOVAL AND INSTALLATION 12 Nm 23 21 11 Nm 11 Nm 88 Nm 17 16 22 48 Nm 9 18 10 19 8 5 6 35 Nm 11 17 20 44 Nm 11 Nm 15 1 14 13 12 22 Nm 2 7 11 Nm 9Nm 9Nm 49 Nm 9Nm 4 3 11 Nm Removal steps 1. Timing belt front cover, upper right 13. Crankshaft sprocket 2. Timing belt front cover, upper left 14. Sensing plate 3. Timing belt front cover, lower 15. Washer 4. Engine support bracket AB""AA 16. Camshaft sprocket bolt 5. Angle sensor 17. Camshaft sprocket 6.


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