1991 MITSUBISHI 3000GT alternator belt
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00-I
GENERALCONTENTS
MOOOA- .
GENERAL DATA AND SPECIFICATIONS . . . . . .21
HOW TO USE THIS MANUAL. . . . . . . . . . . . . . . . . . . . . . . . . . . .3Definition of Terms
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3Explanation of Circuit Diagrams
. . . . . .._...........7Explanation of Manual Contents
. . . . . . . . . . . . . . . . . . . .4
Explanation of the Troubleshooting Guide . .
6ModelIndications
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3Scope of Maintenance, Repair and
ServicingExplanations
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3Troubleshooting
. . . . . . .._.......................................3
LUBRICATION AND MAINTENANCE. . . . . .._....31SCHEDULED MAINTENANCE TABLE. . . . . . .._.
MAIN SEALANT AND ADHESIVE TABLE. . .44
MAINTENANCE SERVICE
. . . . . . . . . . . . . . . .._......_.....__Air Cleaner Element
. . . . . . .._......._......_................Automatic Transaxle
. . . . . . . . . . . . . . . . . . . . . . . . .._......._.....Ball Joint and Steering Linkage Seals
. . . . . . . . . . . .
BrakeHoses. . . . . . . . . . . . . . . . . . . . . . . . . . . .._......._.._...._......._..
Disc Brake Pads. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Drive Belt (For Alternator)
. . . . . . . . .._.........._..........Drive Shaft Boots
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Engine Coolant
. . . . . . . . . . . . ..__.._.............................Engine Oil
.._....__._.................................................Engine Oil Filter
. . . . .._._.......__.................. . . . . . . . . . . .Exhaust System
_....._......._.....__._............,...........Fuel Hoses
..__......__............................................36
3740
42
42
42
38
43
41
38
39
43
36
FuelSystem. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Manual Transaxle
. . . . . . . . . .._........................_.......Rear Axle
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .._..._.._..____.._.......
SparkPlugs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .._...............TimingBelt
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MASTER TROUBLESHOOTING. . . . . . . . . . . . . . . . . . . . . . . .
PRECAUTIONS BEFORE SERVICE. . . . . . . . . . . . . . . .
RECOMMENDED LUBRICANTS AND
LUBRICANT CAPACITIES TABLE. . . . . . .._........
SPECIAL HANDLING INSTRUCTIONS
FOR AWD MODELS. . . . . . . . . . . . .._...._........................
TIGHTENING TORQUE. . . . . . . . . . . . . . . ..__.....................
TOWING AND HOISTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VEHICLE IDENTIFICATION. . . . . . . . . . . . . . . . . . . . . . . . .._.....Chassis Number .
.._............................................Engine Model Stamping
.._..........................._...._Theft Protection
. . . . .._.........................................Vehicle Identification Code Chart Plate
.._.....Vehicle Identification Number List
.._._....._..._.Vehicle Identification Number Location
. . . .._
Vehicle Information Code Plate . . . . .._._......_.......Vehicle Safety Certification Label
. . . ..I . . . . .._..._...
36
3943
37
3724
1532
35
20
23
16
8
10
11
11
8
9
8
10
10
Page 42 of 1146
00-38GENERAL - Maintenance Service
00F0006
:Vehicles with air conditioner>OOFOO07
A: Crankshaft pulleyB: Tension pulleyC: Alternator pulleyD: Idler pulleyE: ,Air conditioner compressor pulley
OlLO183
OlLO18:(Inspect tension)
MOOS88(1(1) Measure the deflection with a force of
100 N (22 Ibs.)applied to belt mid-point between pulleys shown in the
illustration. If the standard value is not obtained, make
adjustment.
Standard value: 4.0
- 5.5 mm (.157 - 216 in.)
(2) On vehicles without air conditioner, set a tension gauge at a
position marked with
r3 in the illustration to measure the
belt tension.
7. ENGINE OIL
(Inspect oil level)
(I) Check to see that the engine oil level is within the range
indicated on the oil level gauge.
(2) Make sure that engine oil is not very dirty or is free from
coolant or gasoline and has an appropriate viscosity grade.J
(Change)
MOOSAAHAlways use lubricants which conform to the requirements of
the API classification “For Service SG” or “For Service
SGKD”when available, and have the proper SAE grade number for the
expected temperature range.
Never use nondetergent or straight mineral oil.
(1) After warming up the engine, remove the oil ‘filler cap.
(2) Remove the drain plug and drain the engine oil.
(3) Tighten the drain plug to 40 Nm (29 ft.lbs.).
(4) Pour new engine oil through the oil filler.
Caution
1.Cover the alternator with waste cloth or the like before
pouring engine oil to make sure that even if oil is spilt,it may not drop on the alternator.
2. Use an oil mug or a funnel to pour oil.
Engine oil total capacity:4.0 liters (4.2 qts.)
[excluding oil filter 0.3 liter (l/2 qt.)
and oil cooler 0.21 liter (l/2 qt.)](5) Check to ensure that the engine oil level is within the level
range indicated on the oil dip stick.
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Page 57 of 1146
ENGINE - Specifications
/
L
L/
Items
Connecting rod bearing
Oil clearancemm (in.)
Crankshaft main bearing
Oil clearancemm (in.)
Crankshaft
Pin O.D.
mm (in.)
Journal O.D.mm (in.)
Out-of-roundness of journal and pin
mm (in.)
Taper of journal and pin
mm (in.)
End playmm (in.)
Oil pressure at curb idle speed
kPa (psi)
[Conditions: oil temperature is 75 to 90°C
(167 to
194”F)l
Standard value
0.016- 0.046 (.0006- .0018)
0.019 - 0.044 (.0007 - .0017)
49.9 (I ,965)
59.9 (2.358)
Less than 0.003 (.00012)
Less than 0.005 (0002)
0.05 - 0.25 (0020 - .0098)
80 (I 1.4) or more
Limit
0.1
(.004)
0.1 (.004)
0.3 (.012)
Oil pump
Side clearancemm (in.)
Body clearance0.100-0.181 (.0039-.0071)
Side clearance0.040 - 0.095 (.0016 - .0037)
Relief spring
Free lengthmm (in.)43.8 (1.724)
Load
137 N (8.3 Ibs.)]mm (in.)40.1 (1.579)
Drive belt
For alternator (Vehicle without air
conditioner)
Deflectionmm (in.)
Inspection
4.0-5.5(.157-,216)
New belt3.5-4.0(.138-,157)
Used belt4.0-5.0 (.157- ,197)
TensionN (Ibs.)
Inspection350 - 600 (77 - 132)
New belt650
- 850 (143 - 187)
Used belt450
- 600 (99 - 132)
For alternator and air conditioner
compressor
Deflectionmm (in.)
Inspection
4.0-5.5(.157-,216)
New belt3.5-4.0 (1388.157)
Used belt4.0-5.0(.157-,197)
For power steering pump
Deflection
mm (in.)9.0
- 11 .o (354 - ,433)
Timing belt
Amount of projection of auto tensioner3.8-4.5(.149-,177)rodmm (in.)(distance between the tensioner arm andauto tensioner body)
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Page 61 of 1146
ENGINE - Service Adjustment ProceduresII-IISERVICE ADJUSTMENT PROCEDURES
AlternatorTension pulley
IIdler pulley/
Tension pulleyCrankshaftpulleyOlFOOO
Tenston pulley
Air conditionerCrankshaftcompressor pulleypulleyOlFOO8
,
MllFMBGDRIVE BELTS TENSION ADJUSTMENT
(1) Check that the belts are not damaged and are properly fit
,into the pulley grooves.
Caution1. When installing the V-ribbed belt, check that the
V-ribs are properly fit without misalignment.
2. If creaking or slippage is observed, check the belt
for wear, damage, or breakage on the pulley contact
surface, check the pulley for scoring, in addition to
sag inspection.3. Check that the V-ribbed belt is not resting on the
tension pulley or idler pulley flange.
(2) Apply 100 N (22
Ibs.) force to the belt back midway
between the pulleys as shown in the illustration, measure
the deflection or by using a belt-tension gauge, check the
belt’s tension.
Standard value:
Tension350-600650-850450-600N (Ibs.)(77-132)(143-187)(99-132)
For P/S
pump
ItemsAdjustment valueCheck valueNew beltUsed belt
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Page 62 of 1146
II-12ENGINE - Service Adjustment Procedures-
r
AdJl
bolt
Alternator wllev
haft
Fixing nutOlFOOO8
Alternator pulley
Adjusting bolt
/Crankshaftpulley
Air contionercompressorpulleyw Tension pulleyFlxtng nutOlN007.
Crankshaft pulleyOlN007TENSION ADJUSTMENT OF THE ALTERNATOR DRIVE
BELT
I(1) Remove front under cover panel
aero> (Refer to GROUP 51 - Aero Parts.).\\
3 ’
(2) Remove under covers (front L.H., side L.H.).
(3) Loosen tension pulley fixing nut.
(4) Adjust belt deflection with adjusting bolt.
(5) Tighten fixing bolt.
(6) Run the engine one time or more.
(7) Check the belt tension. Readjust, if necessary.
(8) Install under covers.
DEFLECTION ADJUSTMENT OF THE ALTERNATOR AND
AIR CONDITIONER COMPRESSOR DRIVE BELT
(1) Use straight handle box wrench to loosen tension pulley
fixing nut.
(2) Adjust belt deflection with adjusting bolt.
(3) Use straight handle box wrench to tighten fixing nut.
(4) Run the engine one time or more.
(5) Check the belt deflection. Readjust, if necessary.
DEFLECTION ADJUSTMENT OF POWER STEERING PUMP
DRIVE BELT(1) Insert an extension bar (insertion depth 12.7 mm), etc. into
the opening at the end of the tension pulley bracket.
(2) Loosen the tension pulley fixing bolts in the order of B and
(3)
iove the extension bar installed to the tension pulley in the‘LJdirection of arrow to adjust the belt tension.
(4) Tighten the tension pulley fixing bolts in the order of A and
8.Tightening torque: 35
- 50 Nm (25 - 36 ftlbs,)(5) Give the crankshaft two turns in normal direction (clock-
wise) to run in the belt.
(6) Check the belt deflection. Readjust, if necessary.
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Page 67 of 1146
ENGINE - Engine AssemblyII-17
ENGINE ASSEMBLY
/REMOVAL AND INSTALLATION
I
Pre-removal Operationl Release of Residual Pressure from HighPressure Fuel Hose(Refer to GROUP 13 -Service AdjustmentProcedures,)l Removal of Cruise Control Pump andLink Assembly(Refer to GROUP 13 - Cruise Control.)l Removal of Hood(RefertoGROUP42A-Hood.)
l
Removal of Air Hose and Air Pipe
Post-installation Operationl Installation of Radiator(Refer to GROUP 14 - Radiator.)l Installation of Cruise Control Pump andLink Assembly(Refer to GROUP 13 -Cruise Control.)l Installation of Transaxle Assembly(Refer to GROUP 22,23 -Transaxle Assembly.)l lnstallatron of Front Exhaust Pipe(Refer to GROUP 15 - Exhaust Pipe and Main Muffler.)l Installation of Air Hose and Air Pipe
MllSA-B
4 ft.lbs.
6
40-45 Nm
29 - 33 fklbs.
Removal steps
1. Connection of accelerator cable11. Drive belt (Alternator and air conditioner)
2. Connection of brake booster vacuum hose(Refer to P.l l-l 1.)
3. Connection of booster vacuum12. Drive belt (Power steering)
hose
(Referto P.l l-l I.)4. Connection of fuel return hose13. Connection of alternator harness
5. Connection of fuel high pressure hose14. Oxygen sensor connector
6. Connection of ground cablel *15. Air conditioner compressor
7. Solenoid valve assembly4w
16. Power steering oil pump
8. Connection of vapor hose17. Oil pressure switch connector (Power steer-9. Connection of heater hoseing)10. EGR temperature sensor connector18. Connection of oil cooler pipes
OlFOO43
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Page 76 of 1146
11-26ENGINE - Timing Belt
TIMING BELT
REMOVAL AND INSTALLATION
MllKA-BI
Pre-removal Operationl Removal of the Under Cover (Front L.H.,side L.H.)l Removal of Front Under Cover Panel
l Raise and Suspend the Engine to the ExtentForce is not Applied to the Engine Mounti LIOO-
120 Nm72 - 87 ft.lbs.
35 Nm25 ft.l$.
TurbochargerOSFOO03
lo-12Nm7 - 9 ft.lbs.
Removal steps
1. Air hose
11 31 ftlbs.
‘5IO-12Nm
B;p 49ftJbs.
\
180- 190 Nm130 - 137 ft.lbs.
2. Air pipe
3. Tensioner assembly
4. Drive belt (power steering)
(RefertoP.ll-11.)4** I)* 5. Crankshaft pulley’6. Brake fluid level sensor
7. Timing belt upper cover
8. Engine mount bracket
9. Idler pulley (alternator
/ air conditioner)+* l * 10. Engine support bracketl * 11. Timing belt lower coverl * lAdjustment of timing belt tensionl * l a 12. Timing beltl * 13. Auto tensionerNm
[email protected].
Post-installation Operation
l Installation of Alternator Assembly(Refer to GROUP 16 -Alternator.)
l Installation of the Under Cover(Front L.H., Side L.H.)l Installation of Front Under Cover Panel
l Installation of Cruise Control Actuator
M D998754nSERVICE POINTS OF REMOVAL
5. REMOVAL OF CRANKSHAFT PULLEYMllKBEF
,Using special tools, remove the crankshaft pulley from the
crankshaft.
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CautionUse only the specified special tools, or a damaged
pulley damper could result.
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Page 328 of 1146
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
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