MITSUBISHI SPYDER 1990 Service Repair Manual

INTAKE, AND EXHAUST Exhaust Manifold Engine
EXHAUST MANIFOLD ENGINE (NON-TURBO)>’
REMOVAL AND INSTALLATION
and Post-installation Operationl Engine Coolant Draining and (Refer to GROUP
3.9 Nm2.9
6
Removal steps
1. Air intake hose
2. Radiator upper hose connection
3. Air hose connection
4. Control wiring harness connection
5. Water pipe assembly
6. Engine oil level gauge
Nm
44Nm33
,
7.Heat protector6.Engine hanger9. Front exhaust connection10.Heatprotector11. Exhaust 12. Exhaust manifold gasket
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INTAKE AND EXHAUST Exhaust Manifold
E X H A U S T M A N I F O L D E N G I N E ( T U R B O ) >
REMOVAL AND INSTALLATION
Pre-removal and Post-installation OperationEngine Coolant Draining and Refilling
l Engine Oil Draining and Refilling
(Refer to GROUP 00
Maintenance Service.)
Nm
12-15 Nm8.8-11- - 1 6 ’
3
. .
Removal steps
1. Condenser fan motor assembly with air conditioning>
2. Heated oxygen sensor <front>
3. Engine oil level gauge guide
4. Air cleaner and air intake hose
assembly5. Air hose (A) connection
6. Water hose connection
7. Water hose connection
8. Oil pipe (A) connection 9. Heat protector
A)
10. Heat protectorB)
11. Engine hanger
12. Front exhaust pipe connection 13. Flange bolts 14. Flange 15.
Coned disc spring .16. Exhaust -manifold17.Exhaust manifold gasket Ring19. Gasket (A)
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INTAKE AND EXHAUST Exhaust Manifold
24 ,
54-64 Nm
20. Vacuum hose assembly 21. Turbocharger assembly22. Oil return pipe
23. Water pipe assembly (B) 24. Oil pipe 25. Water pipe assembly (A)
26. manifold fitting27.Ghsket
REMOVAL SERVICE
HEATED OXYGEN SENSOR <FRONT> REMOVAL
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TURBOCHARGER ASSEMBLY
Remove the turbocharger
assembly with the exhaust fitting,
water pipe assembly (A), water pipe assembly (B) an d the
oil pipe assembly attached to it.
OIL PIPE ASSEMBLY REMOVAL
Caution
After disconnecting the oil pipe, take care that fo reign
materialdoesnotenter the oil passage hole of the turbo-
charger assembly.

INTAKE AND EXHAUST Exhaust Manifold ENGINE (Turbo)>
Identification holeExhaust
manifold
INSTALLATION SERVICE POINTS
TURBOCHARGER ASSEMBLY
(1) Clean the alignment surfaces shown in the illus tration.
(2) Supply clean engine oil through the oil pipe in stallation
hole of the turbocharger assembly.
Caution
When cleaning, take care that no foreign material g ets
into the engine coolant or oil passages hole.
CONED DISC SPRING/FLANGE NUT/FLANGE
BOLTS INSTALLATION
(1) Install the coned disc spring the shown direction.
(2) Tighten the flange nuts and bolts to 27
31 Nm (20
23
(3) Use the special tool to further tighten by
INSPECTION
TURBOCHARGER ASSEMBLY CHECK . .
1. Visually check the turbine wheel and
wheel for cracking or other damage.
2. Check whether the turbine wheel and
compressor
wheel can be easily turned by
3. Check for oil leakage from the turbocharger asse mbly.
4.Check if the turbocharger waste gate valve remains open.
If any problem is found, replace the part
.
OIL PIPE ASSEMBLY AND OIL-RETURN PIPE
Check the oil pipe assembly and oil-return pipe for clogging,
bending, or other damage. If there is clogging, clea n it.
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INTAKE AND EXHAUST Exhaust Manifold
EXHAUST MANIFOLD ENGINE>
,
REMOVAL AND INSTALLATION
, .
12-15 Nm29 Nm21
49 Nm36
Removal steps
1. Front exhaust connection2.Gasket3.Heat protector4.Engine hanger5.Exhaust manifold6. Exhaust manifold gasketITSB Revision

INTAKE AND EXHAUST Exhaust Pipe and Main Muffler
EXHAUST PIPE AND MAIN MUFFLER
REMOVAL AND INSTALLATION
Engine (Non-turbo)>
and Post-installationlUnder Cover Removal and Installation
(Refer to GROUP Cover.)
18
9.4 ,
4936,8I
6
9.4
9.4
Main muffler removal steps Catalytic converter removal steps
1. Main muffler assembly2. Gasket13. Catalytic 14. Gasket
3. Hanger
4. Tail hanger15. Catalytic converter bracket
5. Rear hanger16. Hanger protector
6. Rear floor heat protector panel17. Hanger18. Front hanger
Center exhaust pipe removal steps
7. Heated oxygen sensor connection
exhaust pipe
Hanger protector11. Hanger
12. Hanger bracket
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19. Front floor heat protector panel
Front pipe steps
20. connection
21. Front exhaust:22. Gasket

INTAKE AND EXHAUST Exhaust Pipe and Main
Engine
and Post-installation Operation
139.4
49
6
25
1
443336
33
9.4
16
9.4
--9.4
Main muffler steps
1. Main muffler assembly
2.Gasket3.Muffler cutter
4.Hanger5.Tail hanger6.Rear hanger7. Rear floor heat protector panel
Center exhaust pipe removal steps
8. Heated oxygen sensor connection
9. Center exhaust pipe10.Gasket11.Hanger protector12.Hanger13.Hanger bracket
steps
14.
converter
15. Gasket16. Catalytic converter bracket
1 7 .
18. Hanger Front .20: ‘heat panel
steps
21.
pipe22.Gasket
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15-24INTAKE AND EXHAUST Exhaust Pipe Main
Engine
Pre-removal and Post-installationlUnder Cover Removal and Installation
(Refer to GROUP Cover.)
16
13
13
6
9.4
Main muffler removal steps
1. Main muffler assembly
2.Gasket3.Muffler cutter4.Hanger5.Tail hanger6.Rear hanger
7. Rear floor heat protector panel
Center exhaust pipe removal steps
6. Heated oxygen sensor connection<rear>9. Center exhaust pipe10. Gasket
11. Hanger protector
12. Hanger
13. Center hanger
steps
14. Catalytic converter
15. Gasket
16. Front floor. heat protector panel
Front exhaust steps
1 7 . F r o n t .18. -Gasket19. Hanger20. Front hanger
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INTAKE AND EXHAUST Exhaust Pipe . .
Engine>
Post-installation OperationlUnder Cover Removal and Installation
(Refer to GROUP Cover.) ,
3.4
9.4
139.4
9.449N m
36 bs.
-59 Nm
q 2
9.4
Main muffler
removal steps
1. Main muffler assembly
2. Gasket
3. Hanger
4. Tail hanger
5. Rear hanger
6. Rear floor heat protector panel
Center exhaust pipe removal steps 7. Heated oxygen sensor
connection <rear> exhaust pipe
Hanger protector11. Hanger
12. Hanger bracket
9.49.4
1
Catalytic converter removal steps
13. Catalytic 14. Gasket15. Catalytic bracket
16. Hanger protector
17. Hanger
18. Front hanger
19. Front floor heat protector panel
II3344N m334936
Front exhaust pipe removal steps
20. Heated oxygen sensor
21. Front exhaust pipe22. Gasket
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INTAKE AND Pipe and Main
Engine (Non-turbo)>
Engine (Turbo) and
REMOVAL SERVICE POINT
HEATED OXYGEN
OXYGEN SENSER <REAR>
For Engine (Non-turbo), ‘the’ exhaust threabs
must be cleaned with an 18 mm in.) 1.5
the heated oxygen sensor has been disconnected.
INSTALLATION SERVICE
HEATED OXYGEN SENSOR
OXYGEN SENSER <REAR;
If reusing the original sensor, with
an antiseize compound such as
New sensors have compound on do not
require an additional coating.
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