sensor MITSUBISHI 3000GT 1991 Owners Manual

15-10INTAKE AND EXHAUST - Air Cleaner
INSPECTIONM15FCAH
&$1Air intake hose C
Air intake hose A
Air intake hose B
105FOO2:
lCheck the air cleaner body, cover or packing for deforma-
tion, corrosion or damage.‘,l Check the air duct for damage.
‘4
lCheck the air cleaner element for clogging, contamination
or damage.
If element is slightly clogged, remove dust by blowing air
from inside of element.
AIR-FLOW SENSOR CHECKFor inspection of air-flow sensor, refer to GROUP 13 -Air-Flow
Sensor Check.
SERVICE POINTS OF INSTALLATIONMl5FDAB
22. INSTALLATION OF AIR INTAKE HOSE C
/ 20. AIR
INTAKE HOSE B
/ 18. AIR INTAKE HOSE A, AIR
BY-PASS VALVE AND AIR BY-PASS HOSE
Engaging the notch with the
n mark at points indicated by
the arrows, insert air intake hoses B and C until seated.
‘$dInsert the turbocharger end of air intake hoses B and C
Icompletely.
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INTAKE AND EXHAUST - Intercooler
INTERCOOLER
/REMOVAL AND INSTALLATION18
/?1IO-13Nm
7-9ftJbs.
/Turbocharger
b-ring
05FOOO3MlSTA-
-
I
lo-13Nm7 - 9 ft.lbs.
OSPDOU24Nm
/ 17 ft.lbs.
ANm
7-.9 ft.lbs.
. .-...2.9 ft.lbs.lo-13Nm
’7 - 9 ft.lbs.2
_ .
Removal steps of intercooler right
**I. Air hose Cl *2. Air hose D3. Intercooler duct (RH)l *4. Intercooler rightRemoval steps of intercooler left
l *5. Air hoseG
6. Air pipe A
7. Heat protector F
I)* 8. Air hose Bl *9. Air hose E10. Air pipe BII. Air pope C** 12. Air hose F*I)13. Engine oil cooler
14. Intercooler duct (LH)
l * 15. Intercooler left
lo-13 Nm7 - 9 ft.lbs.OSFOC.02
(When equipped with intercooler left)
l Installation of Front Bumper
(Refer to GROUP 51 - Front Bumper.)Removal steps of air intake hose
16. Connection of boost hose
17. Air hoseA
18. Connection of air flow sensor connector
I)* 19. Air intake hose A** 20. Air intake hose B*a 21. Air intake hose C
22. Air cleaner
23. Air by-pass hose
24. Air by-pass valve
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INTAKE AND EXHAUST - Air Intake Plenum 15-13
AIR INTAKE PLENUM
/REMOVAL AND INSTALLATIQNMlWA-B
L/
i
I Post-installation ODeration
Adjustment of Accelerator Cable
(Refer to GROUP 13 - Engine Control.)
Removal steps7-9ft.lbs.
I. Connection air intake hose2. Connection of accelerator cable_*I)3. Throttle body assemblyl *4. Throttle body gasket
5. Connection of brake booster vacuum hose
6. Harness connecters8 60Nm;6Nm05FOO32
43 ft.lbs.13 ft.lbs.
7. Connection of VIC servo motor
8. EGR pipe
9. EGR valve California>
11. EGR temperature sensor
12. Accelerator cable bracket
13. Connection of air intake plenum stay14. Air intake plenum installation bolts
15. Air intake plenum installation nuts
16. Air intake plenum
17. Air intake plenum gasket
Throttle body
SERVICE POINT OF REMOVALM15UBC23. REMOVAL OF THROTTLE BODY ASSEMBLY
Leaving the water hoses and vacuum hoses in their
installed positions, remove from the air intake plenum.
INSPECTIONM15UCAD2
Check the following points; replace the part if a problem is
found.
AIR INTAKE PLENUM
(1) Check air intake plenum for defect or cracks. Replace if
defective or cracked.
(2) Check load (negative pressure) of drain port. Clean if
required.
SERVICE POINT OF INSTALLATIONMl5UDAB2
4. INSTALLATION OF THROTTLE BODY GASKET
Install with the gasket protrusion positioned as shown.
CautionIf installed in an incorrect direction, idling failure or
other problems may occur.
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15-14INTAKE AND EXHAUST - Air Intake Plenum
AIR INTAKE PLENUM MIBUA-C
REMOVAL AND INSTALLATION
(Refer to GROUP 13 - Engine Control.)
/TurbochargerO&gOSFOOOS5Nm
L
18 Nm18
19 Nm13 ft.lbs.
-05FOO31Removal steps
I. Connection.air hose A2. Connection of accelerator cablea*3. Throttle body assemblyl *4. Throttle body gasket
5. Air pipe A
6. Connection of vacuum hose
7. Connection of brake booster vacuum hose
8. Harness connecter
9. Connection of clutch booster vacuum hose
10. EGR temperature sensor California>
11. EGR valve
12. EGR valve gasket
13. EGR pipe installation bolts
14. EGR pipe gasket
15. Connection of air intake plenum stay
16. Air intake plenum installation bolts
17. Air intake plenum installation nuts
18. Air intake plenum
19. Air intake plenum gasket
SERVICE POINT OF REMOVALM15UBAU3. REMOVAL OF THROTTLE BODY ASSEMBLY
Leaving the water hoses and vacuum hoses in their
installed positions, remove from the air intake plenum.
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15-18INTAKE AND EXHAUST - Turbocharger (Front)
TURBOCHARGER (FRONT)
REMOVAL AND INSTALLATION
Pre-removal and Post-installation Operationl Removal and Installation of Radiator(Refer to GROUP 14 - Radiator.)l Removal and Installation of Transmission
l Rerr
IPipeioval and Installation of Front Exhaust(Refer to P.15-31.)
lJl QG!?
IMlSLA-AI
40 - 47 ft.lbs.
1\29 - 11 ft.lbs.Removal steps
** 1. Air hose C*+2. Air intake hose B*+ 3. Air hose D4. Air hose Al *5. Air hose B.6. Air pipe B
l +7. Air hose E8. Air pipe C
9. Drive belt(Refer to GROUP 11 - Service
Adjustment Procedures.)
10. Alternator assembly(Referto GROUP 16-Alternator.)
11. Engine oil level gauge guide
12. Heat protector B-13Nm
‘9 ft.lbs.
-‘25
05FOO43
13. Water pipe A
14. Water pipe B
15. Connection of oxygen sensor
16. Turbocharger
& fitting assembly
17. Gasket
18. Ring
l * ** 19. Oxygen sensor
20. Turbocharger stay
21. Exhaust fitting
22. Gasket
23. Oil return pipe
l * 24. Turbocharger assemblyl *25. Air conditioner compressor
26. Tension pulley bracket
27. Air conditioner compressor bracket
28. Oil pipe
I
LJ
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INTAKE AND EXHAUST - Turbocharger (Front)15-19
05FOO2(
SERVICE POINTS OF REMOVALM15LBAE
19. REMOVAL OF OXYGEN SENSORDisconnect the connector of the oxygen sensor, and install
the special tool to the oxygen sensor.
25. DISCONNECTION OF AIR CONDITIONER COMPRES-
SORDisconnect air conditioner compressor with hoses from the
bracket.
NOTEThe removed air conditioner compressor should be fas-
tened (by using rope, etc.) in a position that will not interfere
with the removal/installation of the turbocharger assembly.
INSPECTION
TURBOCHARGER ASSEMBLY CHECKMlSLCADl
lVisually check the turbine wheel and the compressor wheel
for cracking or other damage.
l Check whether the turbine wheel and the compressor
wheel can be easily turned by hand.
l Check for oil leakage from the turbocharger assembly.
lCheck whether or not the waste gate valve remains open. If
any problem is found, replace the part after disassembly.
OIL PIPE AND OIL-RETURN PIPE CHECKCheck the oil pipe and oil-return pipe for clogging, bending, or
other damage.
If there is clogging, clean it.
SERVICE POINTS OF INSTALLATIONMllLDAE
24. INSTALLATION OF TURBOCHARGER ASSEMBLYClean the alignment surfaces shown in the illustration.
Supply clean engine oil through the oil pipe installation hole
of the turbocharger assembly.
CautionWhen cleaning, care must be taken so that a piece of
the gasket does not enter the oil passage hole.
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15-20INTAKE AND EXHAUST - Turbocharger (Front)
19. INSTALLATION OF OXYGEN SENSORUse the special tool to install the oxygen sensor.
I;,iI-
i=x---b05F004E
l MatchmarkHose end paintPipe end protrusion05F002F
l MatchmarkHose end paintPipe end protrusion
Intercoolerright
J
Air Intake hose B
05FOO237. INSTALLATION OF AIR HOSE E
/ 5. AIR HOSE B
Aligning the marks at the points indicated by the arrows,
insert securely into the stepped portion of the pipe or until
seated.
CautionBe careful not to allow any foreign matter to get into
the hoses or pipes.
3. INSTALLATION OF AIR HOSE D
/ 1. AIR HOSE C
Aligning the marks at the points indicated by the arrows,
insert securely into the stepped portion of the pipe.
CautionBe careful not to allow any foreign matter to get into
the hoses or pipes.
LJ2. INSTALLATION OF AIR INTAKE HOSE B
Engaging the notches with
LL marks at the points indicated
by the arrows, insert until seated.
Insert the turbocharger end of air intake hose B completely.
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INTAKE AND EXHAUST - Turbocharger (Rear)15-21
TURBOCHARGER (REAR)
iREMOVAL AND INSTALLATION
/
id
Post-installation ODerationIl Installation of Front Exhaust Pipe(Referto P.15-31.)l Refilling of the Engine Coolant
(Refer to GROUP 00 - Maintenance
l Adjustment of Accelerator Cable1~~~~o~~ GROUP 13 - Engine
lo-13Nm7 - 9 ft.lbs.
6.
7 55-65Nmb
5 40 - 47 ft.lbs.i18Nm’
d13 ft.lbs.
MlSLA-B
0-nng
05FOOO3Removal steps
1. Battery2. Connection of accelerator cable
** 3, pg,t;eye)l * 4.
AirpipeA5. Heat protector F
6. Clutch booster vacuum hose
7. Connection of accelerator cable
(pedal side)
I)+8. Air intake hose AO+9. Air intake hose Cl * I)* 10. Oxygen sensor
11. Heat protector D12. EGR pipe
9Nmv 10 //--!
-7 ft.lbs.45 Nm33 ft.lbs.LIZ-15NmOSFOO419- 11 ft.lbs.
13.Eye boltl * 14. Oil pipe15.EGR valve16. Water pipe A
17. Water pipe B
18.Exhaust fitting
19. Heat protector E
20.Gasket21,. Turbocharger & return pipe assembly
22. Oil return pipe
l * 23. Turbocharger assembly24.Gasket25.Ring26. Exhaust fitting stayTSB Revision

INTAKE AND EXHAUST - Turbocharger (Rear)
0
Comrxessorwheel \u ~i, rOlR0182
I05FOO19
SERVICE POINT OF REMOVALM15LBAF
10. REMOVAL OF OXYGEN SENSOR
Disconnect the connector of the oxygen sensor, and install
’the special tool to the oxygen sensor.
d,
INSPECTION
TURBOCHARGER ASSEMBLY CHECK
M15LCADZ
lVisually check the turbine wheel and the compressor wheel
for cracking or other damage.
l Check whether the turbine wheel and the compressor
wheel can be
easily.turned by hand.
l Check for oil leakage from the turbocharger assembly.
lCheck whether or not the waste gate valve remains open. If
any problem is found, replace the part after disassembly.
OIL PIPE AND OIL-RETURN PIPE CHECKCheck the oil pipe and oil-return pipe for clogging, bending, or
other damage.
If there is clogging, clean it.
SERVICE POINTS OF INSTALLATIONMlBLDAF
23. INSTALLATION OF TURBOCHARGER ASSEMBLYClean the alignment surfaces shown in the illustration.
CautionWhen cleaning, care must be taken so that a piece of
the gasket does not enter the oil passage hole.
14. INSTALLATION OF OIL PIPESupply clean engine oil through the oil pipe installation hole
of the turbocharger assembly.
10. INSTALLATION OF OXYGEN SENSORUse the special tool to install the oxygen sensor.
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15-30 INTAKE AND EXHAUST -Exhaust Pipe, Main Muffler and Catalytic Converter
EXHAUST PIPE, MAIN MUFFLER AND CATALYTIC CONVERTER
MlLRA-A
REMOVAL AND INSTALLATION
1. Main muffler and center exhaust50 Nm36
Fbs.
I\
yil / \2: h2yR ‘i”
3. Rubber hangers, ,4. Rubber nanger5. Main muffler6.Mouldings7.Hanger brackets8. Catalytic converter and center
exhaust pipe installation bolts
9.Hanger bracket10.Protector11.Rubber hangers12. Center exhaust pipe13.Gasket
---------179fl
/-r
9 ftlbs./----------------m _
I
!
14. Rubber hangers
15. Hanger bracket
16. Hanger brackets
17. Rear floor heat protector13 Nm
13 Nm
9 ftlbs.9 ft,lbs.5Nm
4 ft.lbs.
35hlm
25 ft.lbs.18. Catalytic converter and front
exhaust pipe installation bolts
19. Catalytic converter
20. Gasket
21. Oxygen sensor connection
22. Self-locking nuts9
ft.lbs.\/23.Rubberhanger24. Front exhaust pipe25.Gasket26.Hangerbracket27. Front floor heat protector
05FOO39
SERVICE POINTS OF REMOVAL
3.4. REMOVAL OF RUBBER HANGER / 5. MAIN MUFFLERSupport with a transmission jack, etc.
INSPECTIONMlSRCAM
l Check the mufflers and pipes for corrosion or damage.
l Check the rubber hangers for deterioration or damage.
l Check for gas leakage from mufflers and pipes.wision
1
L.J