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Mitsubishi Piston And Connecting Rod, 11A-12-1, 6G7 ENGINE E - W - Piston and Connecting Rod

Models: 6G7

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6G7 ENGINE (E - W) - Piston and Connecting Rod

11A-12-1

12. PISTON AND CONNECTING ROD

REMOVAL AND INSTALLATION

Apply engine oil to all moving parts before installation.

4

51 Nm

Removal steps

1.Connecting rod cap nut

AA" "EA 2. Connecting rod cap

3.Connecting rod bearing, lower "DA 4. Piston and connecting rod assem-

bly

5.Connecting rod bearing, upper "CA 6. Piston ring No. 1

86

7EN0424

"CA 7. Piston ring No. 2 "BA 8. Oil ring

AB" "AA 9. Piston pin

10.Piston

11.Connecting rod

12.Connecting rod cap bolt

E Mitsubishi Motors Corporation

Dec. 1996

PWEE9615

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Mitsubishi Piston And Connecting Rod, 11A-12-1, 6G7 ENGINE E - W - Piston and Connecting Rod, 86 10 7 9 11 12

Contents

6G7 SERIES CONTENTS11A-0-1 ENGINEPWEE9615 11A-0-2E Mitsubishi Motors Corporation Dec6G7 ENGINE E - W - General Information GENERAL SPECIFICATIONSGENERAL INFORMATION 11A-0-311A-1-1 1. SPECIFICATIONS6G7 ENGINE E - W - Specifications SERVICE SPECIFICATIONSPiston and connecting rod REWORK DIMENSIONS11A-1-2 6G7 ENGINE E - W - SpecificationsAlternator TORQUE SPECIFICATIONS11A-1-3 6G7 ENGINE E - W - SpecificationsExhaust manifold 11A-1-46G7 ENGINE E - W - Specifications Intake manifoldPiston and connecting rod 11A-1-5SEALANTS 6G7 ENGINE E - W - SpecificationsSurface Preparation Disassembly11A-1-6 FORM-IN-PLACEGASKET11A-2-1 2. SPECIAL TOOLS6G7 ENGINE E - W - Special Tools 6G7 ENGINE E - W - Special Tools 11A-2-26G7 ENGINE E - W - Alternator REMOVAL AND INSTALLATION3. ALTERNATOR 11A-3-1AA CRANKSHAFT BOLT REMOVAL SERVICE POINTSINSTALLATION SERVICE POINTS 11A-3-2REMOVAL AND INSTALLATION 4. AIR INTAKE PLENUM11A-4-1 6G7 ENGINE E - W - Air Intake Plenum6G7 ENGINE E - W - Air Intake Plenum 11A-4-2AA THROTTLE BODY GASKET INSTALLATION SERVICE POINTSREMOVAL AND INSTALLATION 5. IGNITION SYSTEM11A-5-1 6G7 ENGINE E - W - Ignition System17 16 18 8 6. TIMING BELT11A-6-1 6G7 ENGINE E - W - Timing BeltAB CAMSHAFT SPROCKET BOLT 11A-6-2INSPECTION AA TIMING BELTStandard value “L” 1 mm or less 11A-6-3AUTO-TENSIONER Standard value “L” 12 mmCA TIMING BELT 11A-6-46G7 ENGINE E - W - Timing Belt Timing mark Water pump pulley Camshaft sprocket 11A-6-56G7 ENGINE E - W - Timing Belt MD9987696G7 ENGINE E - W - Timing Belt 11A-6-6Standard value 3.8 - 5.0 mm DA ENGINE SUPPORT BRACKETREMOVAL AND INSTALLATION 7. INTAKE MANIFOLD11A-7-1 6G7 ENGINE E - W - Intake ManifoldCA HEATER INLET AND OUTLET PIPES 11A-7-2AA O-RING /WATER PIPE D Keep the O-ringof oil or grease BA THERMOSTATHA FUEL PRESSURE REGULATOR 11A-7-3FA INTAKE MANIFOLD GAINJECTORREMOVAL AND INSTALLATION 8. EXHAUST MANIFOLD & WATER PUMP11A-8-1 6G7 ENGINE E - W - Exhaust Manifold & Water PumpAA O-RING /WATER PIPE D Keep the O-ringfree of oil greaseBA EXHAUST MANIFOLD GASKET INSTALLATION SERVICE POINTS6 10 9. ROCKER ARMS AND CAMSHAFT11A-9-1 6G7 ENGINE E - W - Rocker Arms and CamshaftCAMSHAFT LASH ADJUSTER LEAK DOWN TESTAA LASH ADJUSTER DDo not disassemble lash adjusterCA ROCKER ARM SHAFT BA LASH ADJUSTER11A-9-3 AA CAMSHAFTMD998713 DA ROCKER SHAFT SPRINGEA OIL SEAL Rocker shaft spring17 22 21 10. CYLINDER HEAD AND VALVES11A-10-1 6G7 ENGINE E - W - Cylinder Head and ValvesREMOVAL SERVICE POINTS AA CYLINDER HEAD BOLT AB RETAINER LOCKAC VALVE STEM SEAL D Do not reuse the stem sealHeight of the cylinder head 120 mm 11A-10-3CYLINDER HEAD Limit 0.2 mm Grinding limit 0.2 mmStandard value Intake 0.02 - 0.04 mm VALVE SEAT RECONDITIONING PROCEDUREVALVE SEAT REPLACEMENT PROCEDURE VALVE GUIDE0.05O.S. 11.05 - 11.07 mm VALVE GUIDE REPLACEMENT PROCEDURE11A-10-5 Diameter of the valve guide holeSpring BA VALVE SPRINGCA VALVE RETAINER LOCK IdentificationREMOVAL AND INSTALLATION 11. OIL PAN AND OIL PUMP11A-11-1 6G7 ENGINE E - W - Oil Pan and Oil PumpAC OIL PUMP OUTER AND INNER ROTORS 11A-11-2 6G7 ENGINE E - W - Oil Pan and Oil PumpAA OIL PAN LOWER AB OIL PAN UPPERAA OIL PUMP INNER AND OUTER ROTORS 11A-11-3Standard value 0.04 - 0.10 mm Standard value 0.10 - 0.18 mm Limit 0.35 mmCA OIL SEAL DA OIL PAN UPPER 11A-11-4 6G7 ENGINE E - W - Oil Pan and Oil PumpLiquid gasket FA OIL FILTER GAOIL PRESSURE SWITCH11A-11-5 EA OIL PAN LOWER86 10 7 9 11 12 12. PISTON AND CONNECTING ROD6G7 ENGINE E - W - Piston and Connecting Rod 11A-12-1AB PISTON PIN AA CONNECTING ROD CAPREMOVAL SERVICE POINTS No. 2 0.02 - 0.06 mm 11A-12-3PISTON RING Standard values No. 1 0.03 - 0.07 mmStandard values 7,350 - 17,200 N AA PISTON PININSTALLATION SERVICE POINTS 6G7 ENGINE E - W - Piston and Connecting Rod 11A-12-5BA OIL RING CA PISTON RING NO. 2 / PISTON RING NOEA CONNECTING ROD CAP DA PISTON AND CONNECTING RODStandard value 0.10 - 0.25 mm Limit 0.4 mm Removal steps 13. CRANKSHAFT, FLYWHEEL AND DRIVE PLATE18 15 17 11 REMOVAL AND INSTALLATIONStandard values 0.05 mm Limit 0.1 mm CRANKSHAFT OIL CLEARANCE PLASTIGAUGE METHODStandard values 0.02 - 0.04 mm Limit 0.1 mm CYLINDER BLOCK0.02- 0.04 mm BORING CYLINDERPiston size identification Clearance between piston and cylinderINSTALLATION SERVICE POINTS AA CRANKSHAFT BEARINGBA BEARING CAP / BEARING BOLT MITSUBISHI GENUINE Part No. MD970389 Standard value 0.05 - 0.25 mm Limit 0.3 mmCA CRANKSHAFT REAR OIL SEAL DA OIL SEAL CASE