2005 MITSUBISHI LANCER EVOLUTION IX exhaust

ENGINE ELECTRICAL – CHARGING SYSTEM
16-1
SECTION 16
ENGINE ELECTRICAL
CONTENTS
Charging system ........................................1
General .................................................................1
Alternator...............................................................1
Ignition system...........................................4
General .................................................................4
Servicing standards...................................4
On-vehicle servicing ..................................4
Checking, cleaning and replacing spark plugs .....4
Cam position sensor .................................4
Charging system
General
The following alternator servicing guidelines have been prepared for vehicles which use the 4G63-MIVEC-T/C engine. Other
servicing guidelines remain unchanged.
Alternator
Removal and fitting
Jobs to be done before removal and after fitting
• Removal and refitting of the valence
• Checking the tension of the drive belt
• Removal and refitting of the strut tower bar
• Removal and refitting of the front exhaust pipe ASSY
• Adjustment of the accelerator cable

ENGINE ELECTRICAL – IGNITION SYSTEM16-4
Ignition system
General
The following servicing guidelines for spark plugs and the cam position sensor have been prepared for vehicles which use the
4G63-MIVEC-T/C engine. Other servicing guidelines remain unchanged.
Servicing standards
On-vehicle servicing
Checking cleaning and replacing spark plugs
The standard value and the upper limit for plug caps, has been changed in conjunction with the changes made to the spark
plugs. Other servicing guidelines remain unchanged.
Standard values and upper limits
Cam position sensor
Removal and fitting
Removal procedure
1. Cam position sensor connector
2. Cam position sensor
3. O-ringRemoval procedure
4. Cam position sensor connector
5. Cam position sensor
6. O-ring
ItemStandard ValueUpper Limit
Spark plug cap mm0.5~0.60.75
ManufacturerModelStandard Value mmUpper Limit mm
NGKILFR7H0.5~0.60.75

Service Manual
4G6
FOREWORD
This manual contains information about the 4G6
DOHC engine. It only covers those points that are
different from the service manuals listed below.
Therefore, this manual should be used in conjunction
with the following manuals.
• 4G6 DOHC engine Service Manual (No. 1039G46)
• 4G6 DOHC engine Service Manual Supplement
(No.1039G63)
This manual is based on the engine specifications as of
March 2005. Please note that some engine details may
not match those given in this manual due to
subsequent changes in engine specifications. The units
shown in this manual are the standard international
SI units.
(However, conventional units are used for some figures
taken from existing documents)
If you have any opinions, requests or queries regarding
this manual, please write them down on the “Servicing
Comment Form” on the last page, and fax them to us.
March 2005
Mitsubishi Motor Corporation
This manual is printed on recycled paper.
CONTENTS
General Information . . . . . . . . . . . . . . . 4
Servicing Specification Values . . . . . . 4
Tightening torques . . . . . . . . . . . . . . . . 5
Sealants . . . . . . . . . . . . . . . . . . . . . . . . . 7
Alternator / Ignition system . . . . . . . . . 8
Timing belt . . . . . . . . . . . . . . . . . . . . . 10
Fuel system . . . . . . . . . . . . . . . . . . . . . 13
Secondary air system /
inlet manifold . . . . . . . . . . . . . . . . . . . 15
Exhaust manifold . . . . . . . . . . . . . . . . 16
Water pump / Water hose . . . . . . . . . 17
Rocker arm / Cam shaft . . . . . . . . . . . 18
Oil pump / Sump . . . . . . . . . . . . . . . . . 21
Pistons / Connecting rods . . . . . . . . . 22
Crank shaft / Cylinder block . . . . . . . 25
Turbocharger. . . . . . . . . . . . . . . . . . . . 27
DOHC
ENGINE

44G6 – GENERAL INFORMATION/ SERVICING SPECIFICATIONS
General Information
The 4G63 MIVEC T/C engine fitted in the Lancer Evolution IX incorporates the following changes with respect to the previous
4G63 T/C engine.
• Adoption of variable valve timing control system
• Modification to clearance gap in piston No.2 ring coupling
• Addition of air intake temperature sensor
• Addition of boost sensor
Vehicle Model List
Specifications
Servicing Specification Values
Name Vehicle model Engine type Exhaust capacity cc Specifications
Lancer Evolution IX CT9A 4G63-7 1,997 DOHC 16-valve
MIVEC – T/C
Item Specification
Bore x stroke 85 x 88
Total displacement cc 1,997
Combustion chamber shape Pentroof type
No. of cylinders 4
Valve mechanism Type DOHC
Intake valves 8
Exhaust valves 8
Lash adjuster Hydraulic
Rocker arm Roller follower type
Compression ratio 8.8
Fuel injection device Electronically controlled MPI
Ignition device Electronically controlled two-coil type
Alternator AC type (with IC regulator)
Starter motor Deceleration drive
g
Item Standard value Limit value
Cylinder head, valves
Valve spring : free height mm 50.4 49.4
Valve spring : perpendicularity 2º or less 4º
Pistons, connecting rods
No.1 0.03~0.07 0.1Piston rings : Clearance between ring and ring
groove mm
No.2 0.02~0.06 0.1
No.1 0.20~0.30 0.8Piston rings : Closed gap mm
No.2 0.30~0.45 0.8
Oil ring 0.10~0.40 1.0

54G6 – TIGHTENING TORQUES
Tightening Torques
Par tTightening Torque Nm
Alternator, ignition system
Oil level gauge guide bolt13 ± 1
Water pump pulley bolt8.8 ± 1.0
Auto tension bolt (washer)44 ± 10
Auto tension bolt (flange)24 ± 4
Alternator bracket bolt (flange)24 ± 4
Alternator bracket bolt (washer M8 x 22)22 ± 4
Alternator bracket bolt (washer M8 x 32)20 ± 2
Alternator nut44 ± 10
Crankshaft pulley bolt25 ± 4
Centre cover holt3.0 ± 0.5
Ignition coil bolt10 ± 2
Spark plug25 ± 5
Timing belt
Timing belt cover bolt (flange)11 ± 1
Timing belt cover bolt (washer)9.0 ± 1.0
Power steering pump bracket bolt49 ± 9
Connector bracket bolt11 ± 1
Locker cover bolt3.5 ± 0.5
Plug cap32 ± 2
Tensioner pulley bolt48 ± 5
Tensioner arm bolt21 ± 4
Auto tensioner bolt23 ± 3
Idler pulley bolt35 ± 6
Crank angle sensor bolt8.8 ± 1.0
Oil pump sprocket nut54 ± 5
Crankshaft holt167
Tensioner B bolt19 ± 3
Counterbalance shaft sprocket bolt45 ± 3
Engine support bracket bolt49 ± 5
V.V.T. sprocket bolt65 ± 5
Camshaft sprocket bolt88 ± 10
Fuel system
Throttle body bolt19 ± 3
Cover bolt12 ± 1
Fuel pressure regulator bolt8.8 ± 2.0
Delivery pipe and injector bolt11 ± 1
Vacuum hose and pipe bolt11 ± 1
Solenoid valve assembly bolt9.0 ± 1.0
Vacuum tank bracket bolt9.0 ± 1.0
Secondary air system / Intake manifold
Exhaust manifold heat protector bolt20 ± 3
Air pipe assembly

64G6 – TIGHTENING TORQUE
PartTightening Torque
Air pipe assembly bolt (eye bolt) 49 ± 5
Air pipe assembly bolt (M6 flange) 11 ± 1
Air pipe assembly bolt (M8 flange) 24 ± 3
Air pipe assembly bolt (M8 washer) 14 ± 1
Air control valve assembly bolt 22 ± 4
Engine hanger bolt 19 ± 3
Intake air temperature sensor 14 ± 1
Boost sensor bolt 5.0 ± 1.0
Intake manifold stay bolt 31 ± 3
Intake manifold bolt (M8) 20 ± 2
Intake manifold bolt nut (M10) 36 ± 6
Exhaust manifold
Engine hanger bolt 22 ± 3
Turbocharger heat protector bolt 23 ± 3
Oxygen sensor 44 ± 5
Exhaust fitting bracket bolt 35 ± 6
Exhaust filling bolt nut 59 ± 5
Air outlet fitting bolt 19 ± 1
Oil return pipe bolt (flange) 14 ± 1
Oil return pipe bolt (washer) 9.0 ± 1.0
Turbocharger assembly and pipe assembly bolt, nut 64 ± 5
Oil pipe bolt (M10 eye bolt) 17 ± 2
Oil pipe bolt (M12 eye bolt) 31 ± 2
Oil pipe bolt (M12 flange) 11 ± 1
Water pipe bolt (flange) 10 ± 1
Water pipe bolt (eye bolt) 42 ± 7
Exhaust manifold nut (M8) 33 ± 6
Exhaust manifold nut (M10) 55 ± 10
Water pump / Water hose
Coolant temperature sensor 29 ± 10
Coolant temperature gauge unit 11 ± 1
Water outlet fitting bolt 10 ± 1
Thermostat housing bolt 23 ± 4
Water inlet pipe bolt (M6) 10 ± 1
Water inlet pipe bolt (M8) 13 ± 2
Water pump bolt 14 ± 1
Knock sensor 23 ± 2
Rocker arm / Camshaft
Cam position sensor bolt 11 ± 1
Cover bolt 10 ± 2
Cam position sensing cylinder bolt 22 ± 4
Cam position sensor support bolt 14 ± 1
Bearing cap bolt 20 ± 1
Oil delivery body bolt 11 ± 1

154G6 – SECONDARY AIR SYSTEM / INLET MANIFOLD
Secondary Air System / Inlet Manifold
Removal and Installation
Removal Sequence
1. Exhaust manifold heat protector
2. Air pipe assembly
3. Air control valve gasket
4. Air control valve assembly
5. Engine hanger6. Intake air temperature sensor
7. Boost sensor
8. Inlet manifold stay
9. Inlet manifold
10. Inlet manifold gasket

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164G6 – EXHAUST MANIFOLD
Exhaust Manifold
Removal and Installation
Removal Sequence
1. Engine hanger
2. Turbocharger heat protector
3. Oxygen sensor
4. Exhaust fitting bracket
5. Exhaust fitting
6. Exhaust fitting gasket
7. Air outlet fitting
8. Air outlet fitting gasket
9. Oil return pipe10. Oil return pipe gasket
11.Oil return pipe gasket
12. Turbocharger assembly & pipe assembly
13. Turbocharger gasket
14. Oil pump
15. Water pipe B
16. Water pipe A
17. Turbocharger assembly
18. Exhaust manifold
19. Exhaust manifold gasket

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