2006 MITSUBISHI LANCER engine removal

INLET MANIFOLD
INTAKE AND EXHAUST15-6
REMOVAL AND INSTALLATION <4G6>
M1151003001236
Pre-removal Operation
•Fuel Line Pressure Reduction (Refer to GROUP 13A -
On-vehicle Service P.13B-325).
•Engine Coolant Draining (Refer to GROUP 14 - On-vehi-cle Service P.14-21).
•Strut Tower Bar Removal (Refer to GROUP 42 P.42-9).
•Throttle Body Assembly Re moval (Refer to GROUP 13B
P.13B-335).
•Fuel Delivery Pipe and Fuel Injector Assembly Removal
(Refer to GROUP 13B
P.13B-333).
Post-installation Operation
•Fuel Delivery Pipe and Fuel Injector Assembly Installation
(Refer to GROUP 13B P.13B-333).
•Throttle Body Assembly Inst allation (Refer to GROUP
13B P.13B-335).
•Strut Tower Bar Installati on (Refer to GROUP 42 P.42-9).
•Engine Coolant Supplying (Refer to GROUP 14 - On-vehi-
cle Service P.14-21).
•Accelerator Cable Adjustment (Refer to GROUP 17 -
On-vehicle Service
P.17-2).
•Fuel Leak Check
AC303657
9.0 ± 1.0 N·m11 ± 1 N·m
20 ± 2 N·m 31 ± 3 N·m
36 ± 6 N·m
20 ± 2 N·m
20 ± 2 N·m
36 ± 6 N·m
20 ± 2 N·m
11
9
10
2
12
N14
13N
AB
5.0 ± 1.0 N·m
3
1
11 ± 1 N·m
4
N
13 ± 1 N·m
5
6
(Engine oil)
7
8
Removal steps
1.Emission control equip hose
connector
2.Brake booster vacuum hose
connection
3.Earth cable connection
4.Engine control detonation sensor
connector
5.Engine oil level gauge and guide
assembly
6.Engine oil filler O-ring
7.Emission vacuum hose connection
Removal steps (Continued)

EXHAUST MANIFOLD
INTAKE AND EXHAUST15-7
INSPECTION
M1151003100616
Check the following points; replace the part if a prob-
lem is found.
Inlet Manifold Check
1. Check for damage or cracking of any part.
2. Clogging of the negative pressure (vacuum) outlet port, or clogging of the exhaust gas recirculation
passages.
3. Using a straight edge and feeler gauge, check for distortion of the cylinder head installation surface.
Standard value: 0.15 mm or less
Limit: 0.20 mm
EXHAUST MANIFOLD
REMOVAL AND INSTALLATION <4G1>
M1151003300568
AC30366250 ± 10 N·m
24 ± 4 N·m
35 ± 6 N·m 17 ± 2 N·m
30 ± 2 N·m
N
3
7 12
4
N
6
8
44 ± 5 N·m
AB
9
5N
30 ± 2 N·m
30 ± 2 N·m
30 ± 2 N·m
(Engine oil)
8.Battery wirin g ha rne s s clamp
9.Inlet manifold st ay
10.Inlet manifold
11.Inlet manifold gask et
12.Emission vacuu m hose & pipe and
emis
sion s o lenoid valve assembly
13.EGR v a lve
14.EGR v a lve gasket
Remo va l st ep s ( C o n t in u e d)

Removal steps
1.Front exhaust pipe connection
2.Exhaust pipe gasket
<>>>A<<3.Engine control oxygen sensor (front)
4.Engine oil level gauge and guide
assembly
5.Engine oil filler O-ring
6.Exhaust manifold cover
7.Exhaust manifold bracket
8.Exhaust manifold
9.Exhaust manifold gasket
EXHAUST MANIFOLD
INTAKE AND EXHAUST15-8
REMOVAL SERVICE POINT
<> ENGINE CONTROL OXYGEN SEN-
SOR (FRONT) REMOVAL
AC212566AC
MD998770
Engine control
oxygen sensor
(front)
Use spe c ia l tool oxyg en sen s or wrench (MD9987 70)
to remove t
he eng ine contro l oxygen sen s or (fro nt).
INSTALLA T ION SER VICE POINT
>>A<< ENGINE CONT ROL OXYGEN SEN-
SOR (FRONT) INSTALLA TION
AC212566AC
MD998770
Engine control
oxygen sensor
(front)
Use spe c ia l tool oxyg en sen s or wrench (MD9987 70)
to inst
all the eng ine contro l oxyge n sen s or (f ront).

EXHAUST MANIFOLD
INTAKE AND EXHAUST15-9
REMOVAL AND INSTALLATION <4G6>
M1151003300579
Pre-removal and Post-installation Operation
Under cover Removal and Installation
AC30368050 ± 10 N·m
44 ± 5 N·m
35 ± 6 N·m14 ± 1 N·m
14 ± 1 N·m
49 ± 5 N·m 29 ± 3 N·m
29 ± 3 N·m
N
3
4
1 2
5
N
8 944 ± 5 N·m
AB
1049 ± 5 N·m
6
7
9.0 ± 2.0 N·m 49 ± 9 N·m
Removal steps
1.Front exhaust pipe connection
2.Exhaust pipe gasket
<>>>A<<3.Engine control oxygen sensor (front)
4.Exhaust manifold cover
5.Exhaust manifold bracket
6.Starter cover
7.Starter cover bracket
8.Engine hanger
9.Exhaust manifold
10.Exhaust manifold gasket
Removal steps (Continued)

EXHAUST PIPE AND MAIN MUFFLER
INTAKE AND EXHAUST15-10
REMOVAL SERVICE POINT
<> ENGINE CONTROL OXYGEN SEN-
SOR (FRONT) REMOVAL
AC212566AC
MD998770
Engine control
oxygen sensor
(front)
Use spe c ia l tool oxyg en sen s or wrench (MD9987 70)
to remove t
he eng ine contro l oxygen sen s or (fro nt).
INSTALLA T ION SER VICE POINT
>>A<< ENGINE CONT ROL OXYGEN SEN-
SOR (FRONT) INSTALLA TION
AC212566AC
MD998770
Engine control
oxygen sensor
(front)
Use spe c ia l tool oxyg en sen s or wrench (MD9987 70)
to inst
all the eng ine contro l oxyge n sen s or (f ront).
INSPECTIONM1151 0034 0054 3
Chec k the fo llowing point s; rep l ace the p a rt if a p r ob-
lem is found.
Exhaust Manifold Check
1.Check f o r damage o r cracking of a n y p a rt.
2.Using a straight e dge an d a fee l er ga uge, check
fo r distortio n of th e cylin der he ad in st allation
surface.
St a ndard val ue: 0.15 mm or les s
Limit: 0.20 mm
EXHAUST PIPE AND MAI N MUFFLER
REMOVA L AND INST ALLA TION
M1151 0087 0096 9
AC303694AC
1
3
50 ± 10 N·m
2
7
N
N
45
8 4
N9
10
59 ± 10 N·m
45 ± 5 N·m
13 ± 2 N·m
45 ± 5 N·m
13 ± 2 N·m
10
<4G1>

AC303695AC
1
3
50 ± 10 N·m
2
7
N
N
45
8 4
N9
10
59 ± 10 N·m
45 ± 5 N·m
13 ± 2 N·m
45 ± 5 N·m
13 ± 2 N·m
10
<4G6-M/T>
AC504798AB
<4G6-A/T> 1
2
3N
4
7N8
N9
10
13 ± 2 N·m
13 ± 2 N·m
45 ± 5 N·m
59 ± 10 N·m
6N
10
4
50 ± 10 N·m
13 ± 2 N·m
13 ± 2 N·m
50 ± 10 N·m
Exhaust main muffler removal
steps

1.Exhaust main muffler
3.Exhaust pipe gasket
4.Exhaust muffler hanger
Centre exhaust pipe removal
steps

2.Centre exhaust pipe
3.Exhaust pipe gasket
6.Exhaust pipe gasket <4G6-A/T>
8.Exhaust pipe gasket <4G1,
4G6-M/T>
Front exhaust pipe removal
steps

<>>>A<<5.Engine control oxygen sensor
(rear) <4G1, 4G6-M/T>
7.Front exhaust pipe
8.Exhaust pipe gasket
9.Exhaust pipe gasket
10.Exhaust muffler hanger
EX HAUS T PIPE AND MAIN MU FFLER
INTAKE AN D EXHAU ST15-11

EXHAUST PIPE AND MAIN MUFFLER
INTAKE AND EXHAUST15-12
REMOVAL SERVICE POINT
<> ENGINE CONTROL OXYGEN SEN-
SOR (REAR) REMOVAL
AC212566AD
MD998770
Engine control
oxygen sensor
(rear)
Use spe c ia l tool oxyg en sen s or wrench (MD9987 70)
to remove t
he eng ine contro l oxygen sen s or (re ar).
INSTALLA T ION SER VICE POINT
>>A<< ENGINE CONT ROL OXYGEN SEN-
SOR (REAR) INSTALLA TION
AC212566AD
MD998770
Engine control
oxygen sensor
(rear)
Use spe c ia l tool oxyg en sen s or wrench (MD9987 70)
to inst
all the eng ine contro l oxyge n sen s or (re ar).

16-1
GROUP 16
ENGINE
ELECTRICAL
CONTENTS
CHARGING SYSTEM . . . . . . . .16-2
GENERAL INFORMATION . . . . . .16-2
SERVICE SPECIFICATIONS. . . . .16-3
SPECIAL TOOL . . . . . . . . . . . . . . .16-3
ON-VEHICLE SERVICE. . . . . . . . .16-3
ALTERNATOR OUTPUT LINE VOLTAGE
DROP TEST . . . . . . . . . . . . . . . . . . . . . 16-3
OUTPUT CURRENT TEST . . . . . . . . . . 16-5
REGULATED VOLTAGE TEST . . . . . . . 16-7
WAVEFORM CHECK USING AN
OSCILLOSCOPE . . . . . . . . . . . . . . . . . . 16-9
ALTERNATOR ASSEMB LY . . . . .16-12
REMOVAL AND INSTALLATION
<4G1> . . . . . . . . . . . . . . . . . . . . . . . . . . 16-12
REMOVAL AND INSTALLATION
<4G6> . . . . . . . . . . . . . . . . . . . . . . . . . . 16-13
DISASSEMBLY AND REASSEMBLY . . 16-15
INSPECTION . . . . . . . . . . . . . . . . . . . . . 16-17
STARTING SYSTEM . . . . . . . . .16-19
GENERAL INFORMATION . . . . . .16-19
SERVICE SPECIFICATIONS. . . . .16-20
STARTER MOTOR ASSEMBLY . .16-21
REMOVAL AND INSTALLATION
<4G1> . . . . . . . . . . . . . . . . . . . . . . . . . . 16-21
REMOVAL AND INSTALLATION
<4G6> . . . . . . . . . . . . . . . . . . . . . . . . . . 16-22
STARTER MOTOR ASSEMBLY
INSPECTION . . . . . . . . . . . . . . . . . . . . . 16-23
DISASSEMBLY AND REASSEMBLY . . 16-26
INSPECTION . . . . . . . . . . . . . . . . . . . . . 16-27
IGNITION SYSTEM . . . . . . . . . 16-30
GENERAL INFORMATION . . . . . .16-30
SERVICE SPECIFICATIONS . . . . .16-31
SPECIAL TOOL . . . . . . . . . . . . . . .16-31
ON-VEHICLE SERVICE . . . . . . . . .16-32
IGNITION COIL (WITH BUILT-IN
POWER TRANSISTOR) CHECK . . . . . . 16-32
RESISTIVE CORD CHECK . . . . . . . . . . 16-32
SPARK PLUG CHECK AND CLEANING
<4G1>. . . . . . . . . . . . . . . . . . . . . . . . . . . 16-32
SPARK PLUG CHECK AND CLEANING
<4G6>. . . . . . . . . . . . . . . . . . . . . . . . . . . 16-33
CAMSHAFT POSITION SENSOR
CHECK . . . . . . . . . . . . . . . . . . . . . . . . . . 16-33
CRANK ANGLE SENSOR CHECK . . . . 16-33
DETONATION SENSOR CHECK . . . . . 16-33
IGNITION SECONDARY VOLTAGE
WAVEFORM CHECK USING AN
OSCILLOSCOPE . . . . . . . . . . . . . . . . . . 16-33
IGNITION COIL RELAY CHECK . . . . . . 16-37
IGNITION COIL . . . . . . . . . . . . . . . .16-38
REMOVAL AND INSTALLATION
<4G1>. . . . . . . . . . . . . . . . . . . . . . . . . . . 16-38
REMOVAL AND INSTALLATION
<4G6>. . . . . . . . . . . . . . . . . . . . . . . . . . . 16-39
CAMSHAFT POSITION SENSOR .16-40
REMOVAL AND INSTALLATION . . . . . . 16-40
CRANKSHAFT POSITION SENSOR16-41
REMOVAL AND INSTALLATION
<4G1>. . . . . . . . . . . . . . . . . . . . . . . . . . . 16-41
REMOVAL AND INSTALLATION
<4G6>. . . . . . . . . . . . . . . . . . . . . . . . . . . 16-42
DETONATION SENSOR . . . . . . . .16-43
REMOVAL AND INSTALLATION . . . . . . 16-43