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Mitsubishi 6G7 11A-10-5, Valve Guide Replacement Procedure, Diameter of the valve guide hole

Models: 6G7

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11A-10-5

6G7 ENGINE (E - W) - Cylinder Head and Valves

11A-10-5

14.0 mm

7EN0726

VALVE GUIDE REPLACEMENT PROCEDURE

(1)Remove the snap ring from the exhaust valve guide.

(2)Pull out to the cylinder block side using a press.

(3)Machine the valve guide hole in the cylinder head to match the oversize valve guide to be press fitted.

Caution

D Do not press fit another valve guide of the same size.

Diameter of the valve guide hole

0.05O.S. 11.05 - 11.07 mm

0.25O.S. 11.25 - 11.27 mm

0.50O.S. 11.50 - 11.52 mm

(4)Press fit the valve guide until the projection is 14.0 mm, as shown.

NOTE

D Press fit the valve guide from the top surface of the cylinder head.

D Pay attention to the difference in the valve guide length (45.5 mm for the intake side valve guide and 50.5 mm for the exhaust side valve guide).

D After press fitting the valve guide, insert a new valve and check the contact between the valve guide and the valve.

I.D. Colour

I.D. ColourBlack Silver or white

Intake side

Exhaust side

7EN0763

MD998774

6AE0169

E Mitsubishi Motors Corporation

Dec. 1996

INSTALLATION SERVICE POINTS

"AA VALVE STEM SEAL

(1)Attach a valve spring seat.

(2)Attach a new stem seal to the valve guide with the Special Tool.

NOTE

Pay attention to the difference between the intake side and exhaust side valve stem seals.

Identifying colour at the valve stem seal portion Intake side: Silver or white

Exhaust side: Black

Caution

D Do not reuse valve stem seals.

D Always use the Special Tool to install valve stem seals. Improper installation will cause oil leaks.

PWEE9615

Image 36

Mitsubishi 6G7 11A-10-5, Valve Guide Replacement Procedure, Diameter of the valve guide hole, 0.05O.S. 11.05 - 11.07 mm

Contents

CONTENTS 11A-0-1ENGINE 6G7 SERIES11A-0-2 E Mitsubishi Motors CorporationDec PWEE9615GENERAL SPECIFICATIONS GENERAL INFORMATION11A-0-3 6G7 ENGINE E - W - General Information1. SPECIFICATIONS 6G7 ENGINE E - W - SpecificationsSERVICE SPECIFICATIONS 11A-1-1REWORK DIMENSIONS 11A-1-26G7 ENGINE E - W - Specifications Piston and connecting rodTORQUE SPECIFICATIONS 11A-1-36G7 ENGINE E - W - Specifications Alternator11A-1-4 6G7 ENGINE E - W - SpecificationsIntake manifold Exhaust manifold11A-1-5 SEALANTS6G7 ENGINE E - W - Specifications Piston and connecting rodDisassembly 11A-1-6FORM-IN-PLACEGASKET Surface Preparation2. SPECIAL TOOLS 11A-2-16G7 ENGINE E - W - Special Tools 11A-2-2 6G7 ENGINE E - W - Special ToolsREMOVAL AND INSTALLATION 3. ALTERNATOR11A-3-1 6G7 ENGINE E - W - AlternatorREMOVAL SERVICE POINTS INSTALLATION SERVICE POINTS11A-3-2 AA CRANKSHAFT BOLT4. AIR INTAKE PLENUM 11A-4-16G7 ENGINE E - W - Air Intake Plenum REMOVAL AND INSTALLATION11A-4-2 AA THROTTLE BODY GASKETINSTALLATION SERVICE POINTS 6G7 ENGINE E - W - Air Intake Plenum5. IGNITION SYSTEM 11A-5-16G7 ENGINE E - W - Ignition System REMOVAL AND INSTALLATION6. TIMING BELT 11A-6-16G7 ENGINE E - W - Timing Belt 17 16 18 811A-6-2 INSPECTIONAA TIMING BELT AB CAMSHAFT SPROCKET BOLT11A-6-3 AUTO-TENSIONERStandard value “L” 12 mm Standard value “L” 1 mm or less11A-6-4 CA TIMING BELT6G7 ENGINE E - W - Timing Belt 11A-6-5 6G7 ENGINE E - W - Timing BeltMD998769 Timing mark Water pump pulley Camshaft sprocket11A-6-6 Standard value 3.8 - 5.0 mmDA ENGINE SUPPORT BRACKET 6G7 ENGINE E - W - Timing Belt7. INTAKE MANIFOLD 11A-7-16G7 ENGINE E - W - Intake Manifold REMOVAL AND INSTALLATIONCOOLANT TEMPERATURE SENSOR Specified sealant TEMPERATURE GAUGE UNIT Specified sealant11A-7-2 AA O-RING /WATER PIPE11A-7-3 FA INTAKE MANIFOLDGAINJECTOR HA FUEL PRESSURE REGULATOR8. EXHAUST MANIFOLD & WATER PUMP 11A-8-16G7 ENGINE E - W - Exhaust Manifold & Water Pump REMOVAL AND INSTALLATIOND Keep the O-ringfree of oil grease BA EXHAUST MANIFOLD GASKETINSTALLATION SERVICE POINTS AA O-RING /WATER PIPE9. ROCKER ARMS AND CAMSHAFT 11A-9-16G7 ENGINE E - W - Rocker Arms and Camshaft 6 10LASH ADJUSTER LEAK DOWN TEST AA LASH ADJUSTERDDo not disassemble lash adjuster CAMSHAFTBA LASH ADJUSTER 11A-9-3AA CAMSHAFT CA ROCKER ARM SHAFTDA ROCKER SHAFT SPRING EA OIL SEALRocker shaft spring MD99871310. CYLINDER HEAD AND VALVES 11A-10-16G7 ENGINE E - W - Cylinder Head and Valves 17 22 21AA CYLINDER HEAD BOLT AB RETAINER LOCK AC VALVE STEM SEALD Do not reuse the stem seal REMOVAL SERVICE POINTS11A-10-3 CYLINDER HEADLimit 0.2 mm Grinding limit 0.2 mm Height of the cylinder head 120 mmVALVE SEAT RECONDITIONING PROCEDURE VALVE SEAT REPLACEMENT PROCEDUREVALVE GUIDE Standard value Intake 0.02 - 0.04 mmVALVE GUIDE REPLACEMENT PROCEDURE 11A-10-5Diameter of the valve guide hole 0.05O.S. 11.05 - 11.07 mmBA VALVE SPRING CA VALVE RETAINER LOCKIdentification Spring11. OIL PAN AND OIL PUMP 11A-11-16G7 ENGINE E - W - Oil Pan and Oil Pump REMOVAL AND INSTALLATION11A-11-2 6G7 ENGINE E - W - Oil Pan and Oil Pump AA OIL PAN LOWERAB OIL PAN UPPER AC OIL PUMP OUTER AND INNER ROTORS11A-11-3 Standard value 0.04 - 0.10 mmStandard value 0.10 - 0.18 mm Limit 0.35 mm AA OIL PUMP INNER AND OUTER ROTORS11A-11-4 6G7 ENGINE E - W - Oil Pan and Oil Pump CA OIL SEAL DA OIL PAN UPPERLiquid gasket GAOIL PRESSURE SWITCH 11A-11-5EA OIL PAN LOWER FA OIL FILTER12. PISTON AND CONNECTING ROD 6G7 ENGINE E - W - Piston and Connecting Rod11A-12-1 86 10 7 9 11 12AA CONNECTING ROD CAP AB PISTON PINREMOVAL SERVICE POINTS 11A-12-3 PISTON RINGStandard values No. 1 0.03 - 0.07 mm No. 2 0.02 - 0.06 mmAA PISTON PIN Standard values 7,350 - 17,200 NINSTALLATION SERVICE POINTS 11A-12-5 BA OIL RINGCA PISTON RING NO. 2 / PISTON RING NO 6G7 ENGINE E - W - Piston and Connecting RodDA PISTON AND CONNECTING ROD EA CONNECTING ROD CAPStandard value 0.10 - 0.25 mm Limit 0.4 mm 13. CRANKSHAFT, FLYWHEEL AND DRIVE PLATE 18 15 17 11REMOVAL AND INSTALLATION Removal stepsCRANKSHAFT OIL CLEARANCE PLASTIGAUGE METHOD Standard values 0.02 - 0.04 mm Limit 0.1 mmCYLINDER BLOCK Standard values 0.05 mm Limit 0.1 mmBORING CYLINDER Piston size identificationClearance between piston and cylinder 0.02- 0.04 mmAA CRANKSHAFT BEARING INSTALLATION SERVICE POINTSBA BEARING CAP / BEARING BOLT Standard value 0.05 - 0.25 mm Limit 0.3 mm CA CRANKSHAFT REAR OIL SEALDA OIL SEAL CASE MITSUBISHI GENUINE Part No. MD970389