drain bolt MITSUBISHI LANCER EVOLUTION IV 1998 Workshop Manual

ENGINE – Oil Pan11-13
OIL PAN
REMOVAL AND INSTALLATION
Pre-removal and Post-installation Operation
(1) Under Cover Removal and Installation
(2) Front Exhaust Pipe Removal and Installation
(Refer to GROUP 15.)(3) Oil Level Gauge Removal and Installation
(4) Engine Oil Draining and Supplying
A: 6 × 8 mm
B: 6 × 10 mm
Identification of bolt location
Semi-drying sealant: THREEBOND 1207Dφ 4 mm
Bolt
hole
Groove
8
AB
B 8
B
B B
3
78
6 451 2
39 {4.0}
39 – 44 {4.0 – 4.5}7 {0.7}26 {2.6}30 {3.1} 9 {0.9}
Washer
assembled bolt
9 {0.9}
Flange bolt
10 {1.0}
Unit: Nm {kgf
m}
Removal steps
1. Starter
2. Oil return pipe
B3. Oil return pipe gasket
4. Engine oil cooler return pipe5. Bell housing cover
6. Drain plug
A7. Drain plug gasket
A8. Oil pan

ENGINE COOLING – Water Pump14-5
WATER PUMP
REMOVAL AND INSTALLATION
Pre-removal and Post-installation Operation
Engine Coolant Draining and Supplying
(Refer to P.14-2.)Timing Belt and Timing Belt B Removal and Installation
(Refer to GROUP 11.)
12 – 15 {1.2 – 1.5} 24 {2.4}
8 × 22 8 × 14
Bolt specifications
8 × 24
Screw diameter × length mm
1
2
4
3
2
22 {2.2}
8 × 70
Unit: Nm {kgfm}
Removal steps
1. Alternator brace
2. Water pump
3. Water pump gasket
A4. O-ring
INSTALLATION SERVICE POINT
AO-RING INSTALLATION
Fit the O-ring in the O-ring groove in the water inlet pipe,
and coat the outer circumference of the O-ring or the inside
surface of the water pump with water before inserting the
pipe.
Water pump
O-ring
Water inlet pipe

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.

REAR AXLE – Differential Carrier 27-39
DIFFERENTIAL CARRIER

REMOVAL AND INSTALLATION

Pre-removal Operation
(1) Hydraulic Piping Fluid Draining
(2) Gear Oil Draining (Refer to P.27-28.)
(3) Lower Arm Assembly Removal
(Refer to GROUP 34.)
(4) Rear Stabilizer Removal (Refer to GROUP 34.)
(5) Drive Shaft Removal (Refer to P.27-36.)Post-installation Operation
(1) Drive Shaft Installation (Refer to P.27-36.)
(2) Rear Stabilizer Installation (Refer to GROUP 34.)
(3) Lower Arm Assembly Installation
(Refer to GROUP 35.)
(4) Gear Oil Filling (Refer to P.27-28.)
(5) Hydraulic Piping Fluid Filling and Bleeding
(Refer to P.27-29.)
1
23
4 5
6
7
8
910
11
Unit: Nm {kgf
m}
12 {1.2}
29 – 34
{3.0 – 3.5}
88 {9.0}
88 {9.0}88 {9.0}44 {4.5} 88 {9.0}
34 {3.5}
3108 – 127 {11.0 – 13.0}
988 {9.0}
Removal steps
1. Hydraulic unit hose assembly con-
nection
B2. Propeller shaft connection
3. Differential support member mount-
ing bolt
AA4. Rear crossmember and differential
carrier assembly5. Differential support member
6. Upper stopper
7. Lower stopper
8. Differential support arm
9. Differential mount bracket
10. Differential mount bracket
11. Differential carrier

REAR AXLE – Differential Carrier 27-41
DIFFERENTIAL CARRIER
REMOVAL AND INSTALLATION
Pre-removal Operation
(1) Differential Gear Oil Draining
(2) Lower Arm Assembly Removal
(3) Rear Stabilizer Removal
(4) Drive Shaft RemovalPost-installation Operation
(1) Drive Shaft Installation
(2) Rear Stabilizer Installation
(3) Lower Arm Assembly Installation
(4) Differential Gear Oil Filling
12
3
4 5
6
78
9 10
Unit: Nm {kgf
m}
29 – 34
{3.0 – 3.5}88 {9.0} 108 – 127
{11.0 – 13.0}
3
6
9
7 2
108 – 127
{11.0 – 13.0}108 – 127
{11.0 – 13.0}
88 {9.0}88 {9.0} 88 {9.0}
69 {7.0}
108 – 127
{11.0 – 13.0}
3
3
69 {7.0}
88 {9.0}
Removal steps
AB1. Propeller shaft connection
2. Toe control bar
3. Differential support member mount-
ing bolt and nut
BA4. Rear crossmember and differential
carrier assembly5. Differential support member
6. Upper stopper
7. Lowe
r stopper
8.Differential support arm
9.Differential mount bracket
10.Differential carrier

REAR AXLE – Hydraulic Unit 27-50
HYDRAULIC UNIT
REMOVAL AND INSTALLATION
Pre-removal Operation
(1) Trunk Side Trim Removal
(2) Hydraulic Piping Fluid DrainingPost-installation Operation
(1) Hydraulic Piping Fluid Filling and Bleeding
(Refer to P.27-29.)
(2) Trunk Side Trim Installation
1 23 45
6
7 8 9
10 11 12
1314
Unit: Nm {kgf
m}
12 {1.2}
4
12 {1.2}
18 {1.8}
12 {1.2}
12 {1.2} 18 {1.8}
34 {3.5}
34 {3.5}
Removal steps
1. Dust guard
2. Suction hose and return hose con-
nection
3. Hydraulic unit hose assembly con-
nection
4. Hydraulic unit and bracket assem-
bly mounting bolt
C5. Hydraulic unit and bracket assem-
bly
6. Hydraulic unit
7. Hydraulic unit bracket
8. AYC harness9. Hydraulic unit bracket
10. Hydraulic unit hose assembly
B11. Return hose
B12. Suction hose
A13. Grommet
14. Oil reservoir
Caution
(1) When connecting the return hose and suction
hose, do not apply lubricant.
(2) No foreign matter should be allowed in the
hydraulic piping and joints.

REAR AXLE – Hydraulic Unit 27-51
INSTALLATION SERVICE POINTS
AGROMMET INSTALLATION
On the vehicle mounted with a sun roof, mount the drain
pipe to the grommet as illustrated.
BSUCTION HOSE / RETURN HOSE INSTALLATION
Fit the suction hose and return hose to the nipple of hydraulic
unit as illustrated.
CHYDRAULIC UNIT AND BRACKET ASSEMBLY
INSTALLATION
Hook the hydraulic unit bracket hook to the rear floor side
member and install the hydraulic unit and bracket assembly
mounting bolt.Grommet
Drain pipe
25 ± 5 mm
Nipple
Suction hose and
return hose15 mm
Hook
Rear floor side member

REAR SUSPENSION – Rear Suspension Assembly34-4
REAR SUSPENSION ASSEMBLY
REMOVAL AND INSTALLATION
Pre-removal Operation
(1) Center Exhaust Pipe Removal
(Refer to GROUP 15.)
(2) Trunk Room Side Trim Removal
(3) AYC Fluid Draining
(Refer to GROUP 27 – On-vehicle Service.)Post-installation Operation
(1) AYC Fluid Refilling and Bleeding
(Refer to GROUP 27 – On-vehicle Service.)
(2) Center Exhaust Pipe Installation
(Refer to GROUP 15.)
(3) AYC Operation Check
(4) Parking Brake Cable Stroke Check
(Refer to GROUP 36 – On-vehicle Service.)
(5) Wheel Alignment Check and Adjustment
(Refer to P.34-3.)
1
34
5
6
7 9 10
1112
1314
15 1617
Unit: Nm {kgf
m}
44 {4.5}
108 – 127 {11.0 – 13.0}
54 {5.5}
88 {9.0}
93 {9.5}*88 {9.0}
158 2
15
29 – 34
{3.0 – 3.5}
25 {2.6}34 {3.5}25 {2.5}
69
{7.0} Toe control bar
EVOLUTION-V RS
137 – 156 {14.0 – 16.0}*59 – 68 {6.0 – 7.0}*
Removal steps
1. Fuel filler cap
2. Bolt
3. Filler neck protector
4. Cap
5. Shock absorber mounting nut
A6. Brake caliper assembly
7. Rear speed sensor AYC>
8. Brake disc
9. Parking brake cable end (Refer to
GROUP 36.)
10. AYC fluid line connection with AYC>BB11. Propeller shaft connection
12. Upper arm mounting bolt
13. Trailing arm mounting bolt
14. Toe control arm mounting bolt
CA15. Crossmember mounting bolt
16. Differential support assembly
mounting bolt
17. Rear suspension assembly
Caution
The parts marked with * should be first temporarily
tightened, then torqued to specification with the
vehicle on the ground in unloaded condition.

STEERING – Power Steering Oil Pump37A-7
POWER STEERING OIL PUMP

REMOVAL AND INSTALLATION
Pre-removal Operation
Power Steering Fluid DrainingPost-installation Operation
(1) Power Steering Fluid Supplying
(2) Drive Belt Tension Adjusting
(Refer to GROUP 11 – On-vehicle Service.)
12 3
4 5
6 7
8 9 10
Unit: Nm {kgf
m}
49 {5.0}
59 – 69
{6.0 – 7.0} 10 – 12
{1.0 – 1.2}39 {4.0}
49 {5.0}
18 {1.8}
12 {1.2}
39 {4.0}
Removal steps
1. Drive belt
2. Pressure switch connector
3. Suction hose
4. Pressure hose
5. O-ring6. Heat protector
7. Bolt
8. Bolt
9. Oil pump assembly
10. Oil pump bracket

STEERING – Power Steering Oil Pump37A-8

REMOVAL AND INSTALLATION
Pre-removal Operation
Power Steering Fluid DrainingPost-installation Operation
(1) Power Steering Fluid Supplying
(2) Drive Belt Tension Adjusting
(3) Power Steering Fluid Line Bleeding
12
34
56
7
8 9 10
Unit: Nm {kgf
m}
22 {2.2}
11
22 {2.2}
52 {5.3}24 {2.4} 12 {1.2}
18 {1.8}
Removal steps
1. Drive belt
2. Suction hose
3. Pully
4. Pressure hose
5. O-ring
6. Heat protector A7. Heat protector B
8. Pressure switch connector
9. Bolt
10. Bolt
11. Oil pump assembly