oil MITSUBISHI LANCER EVOLUTION IV 1998 Repair Manual

INTAKE AND EXHAUST – Exhaust Manifold and Turbocharger15-13
COIL RETURN PIPE GASKET INSTALLATION
Install the gasket so that its print part is on the oil pan side.
INSPECTION
1. TURBOCHARGER CHECK
(1) Visually check the turbine wheel and compressor wheel
for damage and cracking.
(2) Check that the turbine wheel and compressor wheel can
be turned manually with a light force.
(3) Check that there is no oil leak from the turbocharger.
(4) Check to see if the wastegate valve remains open. If
any of these faulty symptoms is evident, disassemble
the turbocharger and replace the defective part.
NOTE
For the disassembly procedure, refer to ENGINE
WORKSHOP MANUAL.
2. EXHAUST MANIFOLD CHECK
(1) Check the exhaust manifold for damage and cracking
and replace it as necessary.
(2) Using a straightedge and feeler gauge, check the cylinder
head mounting surface for distortion and replace as
necessary.
Standard value: Within 0.15 mm
Limit: 0.2 mm
Print
Gasket
Compressor wheel

16-1
ENGINE
ELECTRICAL
CONTENTS
CHARGING SYSTEM 2. . . . . . . . . . . . . . . .
ALTERNATOR 2. . . . . . . . . . . . . . . . . . . . . . . . . . .
IGNITION SYSTEM 4. . . . . . . . . . . . . . . . . .
ON-VEHICLE SERVICE 4. . . . . . . . . . . . . . . . . . .
1. Ignition Coil with Built-in Power Transistor
Check 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2. Spark Plug Check, Cleaning, and
Replacement 4. . . . . . . . . . . . . . . . . . . . . . . . . .
CAMSHAFT POSITION SENSOR AND
CRANK ANGLE SENSOR
5 . . . . . . . . . . . . .

ENGINE ELECTRICAL – Charging System16-2
CHARGING SYSTEM
ALTERNATOR
REMOVAL AND INSTALLATION
Pre-removal Operation
(1) Under Cover Removal
(2) Engine Mount Removal
(3) Strut Tower Bar RemovalPost-installation Operation
(1) Strut Tower Bar Installation
(2) Engine Mount Installation
(3) Under Cover Installation
(4) Drive Belt Tension Adjustment
(Refer to GROUP 11 – On-vehicle Service.)
Unit: Nm {kgf
m}
44 {4.5}
7 3
2
6
15 4
24 {2.4} 22 {2.2} 9 {0.9}12 – 15
{1.2 – 1.5}10 – 13
{1.0 – 1.3}
12 {1.2}
Removal steps

A1. Drive belt (Power steering, A/C)

B2. Delivery pipe, injector and pressure
regulator assembly
3. Oil level gauge guide4. Pressure hose connection

C5. Alternator
6. Water pump pulley
7. Alternator brace

ENGINE ELECTRICAL – Ignition System16-4
IGNITION SYSTEM
ON-VEHICLE SERVICE
1. IGNITION COIL WITH BUILT-IN POWER TRANSISTOR CHECK
Secondary coil resistance measurement
Standard value: 15 – 21 kΩ
2. SPARK PLUG CHECK, CLEANING, AND REPLACEMENT
Check the plug gap and replace if the limit is exceeded.
Caution
(1) Do not attempt to adjust the gap of the platinum plug.
(2) Cleaning the platinum plug can damage platinum tips. If a cleaning is needed, use a plug
cleaner and finish cleaning within 20 seconds to protect the electrodes. Never use wire brushes.
Standard values and limits:
ManufacturerModelStandard value (mm)Limit (mm)
NGKPGR7A0.7 – 0.80.95
DENSOP22PR80.7 – 0.80.95

ENGINE ELECTRICAL – Ignition System16-5
CAMSHAFT POSITION SENSOR AND CRANK ANGLE SENSOR
REMOVAL AND INSTALLATION
Pre-removal and Post-installation Operation
Timing Belt Removal and Installation
(Refer to GROUP 11.)
Unit: Nm {kgf
m}
49 {5.0}
5
9 {0.9}9 {0.9}
9 {0.9} 39 {4.0} 3 {0.3}
2
3
41
Removal steps
1. Camshaft position sensor
2. Center cover

A3. Power steering oil pump4. Power steering oil pump bracket
5. Crank angle sensor
REMOVAL SERVICE POINT

APOWER STEERING OIL PUMP REMOVAL
Remove the power steering oil pump with hose from the power
steering oil pump bracket.
NOTE
String up the oil pump which has been removed onto a location
that does not hamper removal and installation of the power
steering oil pump bracket.

22A-1
MANUAL
TRANSMISSION
CONTENTS
LUBRICANTS 2. . . . . . . . . . . . . . . . . . . . . . . . . . .
SPECIAL TOOLS 2. . . . . . . . . . . . . . . . . . . . . . . .
ON-VEHICLE SERVICE 3. . . . . . . . . . . . . . . . . .
1. Transmission Oil Check 3. . . . . . . . . . . . . . . .
2. Transmission Oil Replacement 3. . . . . . . . . .
3. Transfer Oil Check 3. . . . . . . . . . . . . . . . . . . .
4. Transfer Oil Replacement 3. . . . . . . . . . . . . .
TRANSMISSION CONTROL* 4. . . . . . . . . . . . .
Shift Lever Assembly 6. . . . . . . . . . . . . . . . . . . . . .
TRANSMISSION ASSEMBLY 7. . . . . . . . . . . . .
TRANSFER ASSEMBLY 10. . . . . . . . . . . . . . . .
WARNING REGARDING SERVICING OF SUPPLEMENTAL RESTRAINT SYSTEM (SRS) EQUIPPED VEHICLES
(1) Thoroughly review this manual, especially GROUP 52B – Supplemental Restraint System (SRS) before beginning any
service or maintenance of any component of the SRS or any SRS-related component.
(2) When removing or installing the components indicated in the table of contents by an asterisk (*), use special care not
to apply shocks to SRS-related components.

MANUAL TRANSMISSION – Lubricant / Special Tools22A-2
LUBRICANT
ItemSpecified lubricantQuantity dm3 (
)
Transmission oilMITSUBISHI genuine “Dia-Queen” multi gear oil <75W/85W>2.8 (2.8)
Transfer oilMITSUBISHI genuine “Dia-Queen Super” hypoid gear oil (GL-5)0.62 (0.62)
SPECIAL TOOLS
ToolNumberNameUse
MB990635 or
MB991113Steering linkage
pullerTie rod end and lower arm disconnection
Recommended
tool MZ203826
by Anzen
Jidosha or
MZ203827 by
BanzaiEngine lifterSupporting the engine assembly during
removal and installation of the transmission
MB991453Engine hanger
MB991612AdapterRemoving output shaft
MB990211Slide hammer
MB991193PlugPreventing oil flowing out from and foreign
matter entry into transfer.

MANUAL TRANSMISSION – On-vehicle Service22A-3
ON-VEHICLE SERVICE
1. TRANSMISSION OIL CHECK
(1) Remove the oil filler plug.
(2) Oil level should be at the lower portion of the filler plug
hole.
(3) Check that the transmission oil is not noticeably dirty,
and that it has a suitable viscosity.
(4) Tighten the filler plug to the specified torque.
Tightening torque: 32 Nm {3.3 kgfm}
2. TRANSMISSION OIL REPLACEMENT
(1) Remove the drain plug to drain oil.
(2) Tighten the drain plug to the specified torque.
Tightening torque: 32 Nm {3.3 kgfm}
(3) Remove the filler plug and fill with specified oil till the
level comes to the lower portion of filler plug hole.
Transmission oil
Specified oil:
MITSUBISHI genuine “Dia-Queen” multi gear oil
<75W/85W>
Quantity: 2.8 dm
3 (2.8
)
(4) Tighten the filler plug to the specified torque.
Tightening torque: 32 Nm {3.3 kgfm}
3. TRANSFER OIL CHECK
(1) Remove the oil filler plug.
(2) Oil level should be at the lower portion of the filler plug
hole.
(3) Check that the transmission oil is not noticeably dirty,
and that it has a suitable viscosity.
(4) Tighten the filler plug to the specified torque.
Tightening torque: 32 Nm {3.3 kgfm}
4. TRANSFER OIL REPLACEMENT
(1) Remove the drain plug to drain oil.
(2) Tighten the drain plug to the specified torque.
Tightening torque: 32 Nm {3.3 kgfm}
(3) Remove the filler plug and fill with specified oil till the
level comes to the lower portion of filler plug hole.
Transfer oil
Specified oil:
MITSUBISHI genuine “Dia-Queen Super” hypoid
gear oil (GL-5)
Quantity: 0.62 dm
3 (0.62
)
(4) Tighten the filler plug to the specified torque.
Tightening torque: 32 Nm {3.3 kgfm}
Transmission oilFiller plug hole
Filler plug
Drain plug
Filler plug
Drain plug
Transfer oil

MANUAL TRANSMISSION – Transmission Assembly22A-7
TRANSMISSION ASSEMBLY
REMOVAL AND INSTALLATION
Pre-removal Operation
(1) Transmission Oil Draining (Refer to P.22A-3.)
(2) Transfer Oil Draining (Refer to P.22A-3.)
(3) Under Cover Removal
(4) Front Exhaust Pipe Removal (Refer to GROUP 15.)
(5) Battery and Battery Tray Removal
(6) Air Cleaner Assembly RemovalPost-installation Operation
(1) Air Cleaner Assembly Installation
(2) Battery and Battery Tray Installation
(3) Front Exhaust Pipe Installation
(Refer to GROUP 15.)
(4) Under Cover Installation
(5) Transfer Oil Supplying (Refer to P.22A-3.)
(6) Transmission Oil Supplying (Refer to P.22A-3.)
(7) Shift Lever Operation Check
(8) Speedometer Operation Check
1
2
34 5
6
7
8 8
Unit: Nm {kgfm}
49 {5.0} 98 {10.0}*
88 {9.0}19 {1.9}
48 {4.9}19 {1.9}
Removal steps
1. Shift cable and select cable con-
nection
2. Backup lamp switch connector
3. Vehicle speed sensor connector
A4. Starter motor
5. Clutch release cylinder connection
6. Transmission assembly upper part
coupling bolts7. Transmission mount bracket
8. Transmission mount stopper

Engine assembly supporting
Caution
Mounting locations marked by * should be
provisionally tightened, and then fully tightened
when the body is supporting the full weight of the
engine.

MANUAL TRANSMISSION – Transfer Assembly22A-10
TRANSFER ASSEMBLY
REMOVAL AND INSTALLATION
Pre-removal and Post-installation Operation

Transmission Oil Draining and Supplying
(Refer to P.22A-3.)

Transfer Oil Draining and Supplying
(Refer to P.22A-3.)
Front Exhaust Pipe Removal and Installation
(Refer to GROUP 15.)
Gear oil:
MITSUBISHI genuine “Dia-Queen
Super” hypoid gear oil (GL-5)
Unit: Nm {kgfm}
2
69 {7.0}
1
Removal steps

Drive shaft (Refer to P.22A-9.)

Output shaft (Refer to P.22A-9.)
1. Front propeller shaft
(Refer to GROUP 25)
A2. Transfer assembly
REMOVAL SERVICE POINT
ATRANSFER ASSEMBLY REMOVAL
Caution
(1) Use care not to damage the lip of the oil seal in the
transfer case.
(2) Use the special tool to cover the opening in the transfer
case to prevent oil from flowing out or foreign materi-
als from entering the case.
Oil seal lip MB991193