1998 MITSUBISHI LANCER EVOLUTION IV service

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 – Charging System16-3
REMOVAL SERVICE POINTS

APOWER STEERING, A/C COMPRESSOR, AND
ALTERNATOR DRIVE BELT REMOVAL
(1) Align the hole in the auto tensioner bracket with that
in the arm and insert a screwdriver into the holes.
(2) Remove the drive belt.

BDELIVERY PIPE, INJECTOR, AND PRESSURE
REGULATOR ASSEMBLY REMOVAL
After the mounting points have been loosened, slightly move
the corresponding part to allow for a space for removal of
the alternator.

CALTERNATOR REMOVAL
Push the engine all the way up with a garage jack and remove
the alternator upward the engine compartment.
Phillips
screwdriver
Hole in arm
Auto tensioner
Hole in bracket

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.

17-1
ENGINE AND
EMISSION
CONTROL
CONTENTS
ENGINE CONTROL SYSTEM 2. . . . . . . .
SERVICE SPECIFICATIONS 2. . . . . . . . . . . . . .
EMISSION CONTROL SYSTEM 2. . . . . .
ON-VEHICLE SERVICE 2. . . . . . . . . . . . . . . . . .
System Configuration Diagram 2. . . . . . . . . . . . . .
Vacuum Hose Piping Circuit Diagram 3. . . . . . .
CANISTER 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CATALYTIC CONVERTER 4. . . . . . . . . . . . . . . .

ENGINE EMISSION CONTROL –
Engine Control System /
Emission Control System 17-2
ENGINE CONTROL SYSTEM
SERVICE SPECIFICATIONS
ItemsStandard value
Idle speed rpm850 ± 50
EMISSION CONTROL SYSTEM
ON-VEHICLE SERVICE
SYSTEM CONFIGURATION DIAGRAM
Canister
Check
valve
Throttle body
Fuel pressure control
valve
Fuel pressure regulator
PCV valve
AirInjector
High temperature sensor*
*: EVOLUTION-IV only

21-1
CLUTCH
CONTENTS
SERVICE SPECIFICATIONS 2. . . . . . . . . . . . . .
LUBRICANTS 2. . . . . . . . . . . . . . . . . . . . . . . . . . .
ON-VEHICLE SERVICE 2. . . . . . . . . . . . . . . . . .
1. Clutch Pedal Inspection and Adjustment 2. .
2. Bleeding 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CLUTCH PEDAL 4. . . . . . . . . . . . . . . . . . . . . . . . .
CLUTCH CONTROL 5. . . . . . . . . . . . . . . . . . . . .
Clutch Master Cylinder 6. . . . . . . . . . . . . . . . . . . . .

CLUTCH –
Service Specifications /
Lubricants / On-vehicle Service21-2
SERVICE SPECIFICATIONS
ItemsStandard value
Clutch pedal height mm162.5 – 165.5
Clutch pedal clevis pin play mm1 – 3
Clutch pedal free play mm6 – 13
Distance between the clutch pedal and the toeboard when the clutch is disengaged mm70 or more
LUBRICANTS
ItemsSpecified lubricantsQuantity
Clutch fluidMITSUBISHI genuine brake fluid “DIA-QUEEN
BRAKE FLUID SUPER 4”As required
Push rod assemblyRubber grease
Boot
Release cylinder push rodMOLYKOT BR-2 PUS
ON-VEHICLE SERVICE
1. CLUTCH PEDAL INSPECTION AND
ADJUSTMENT
(1) Turn up the carpet, etc. under the clutch pedal.
(2) Measure the clutch pedal height.
Standard value (A): 162.5 – 165.5 mm
(3) If the height of the clutch pedal is outside the standard
value, loosen the lock nut and adjust the pedal height
to the standard value using the adjusting bolt.
Clutch pedal height
A
Setting nutAdjusting bolt
Locking
nut
13 {1.3}
6 {0.6}