1991 MITSUBISHI ECLIPSE engine specifications
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6-2CLUTCH - SDecifications
SPECIFICATIONS
GENERAL SPECIFICATIONS
Items1.8L Engine2.0L DOHC Engine
Clutch operating method
Hydraulic type
Hydraulic type
Hydraulic type
Clutch disc*
TypeSingle dry disc type
Single dry disc type
Single dry disc type
Facing diameter
O.D.
x I.D.
mm (in.) 200 x 130215 x 140225 x 150(7.9 x 5.1)
(8.5 x 5.5)
(8.9 x 5.9)
Clutch cover assembly
TypeDiaphragm spring strap Diaphragm spring strap Diaphragm spring strap
drive type
drive type
drive type
Clutch release cylinder
I.D.mm (in.) 20.64 (13/16)20.64 (13/6)19.05 (3h)Clutch master cylinder
I.D.mm (in.) 15.87 (%)15.87 (%)15.87 (543)
NOTE*: Non-asbestos discs on vehicles with 2.0L DOHC Engine.
SERVICE SPECIFICATIONS
Items
Standard valueClutch pedal heightmm (in.)
Clutch pedal
clevis pin playmm (in.)
Clutch pedal free playmm (in.)
Distance between the clutch pedal and the firewall
when the clutch is disengagedmm (in.)
Limit
Facing rivet sinkmm (in.)
Diaphragm spring end height differencemm (in.)
NO6lX- .H,
Specifications
176.0-I 81 .O (6.93-7.13)
l-3 (.04-.12)6-13 (.24-.51)
55 (2.2) or more
0.3 (012)
0.5
(.02)L-
Page 249 of 1216
7-l
COOLING
CONTENTS
ENGINE COOLANT TEMPERATURE GAUGEUNIT,
ENGINE COOLANT TEMPERATURE
SENSOR AND ENGINE COOLANT
TEMPERATURE SWITCH................................34
RADIATOR.......................................................12
RADIATORFANMOTOR ASSEMBLY..........15
SERVICE ADJUSTMENT PROCEDURES.......8
Alternatormater Pump Drive Belt Tension
Adjustment
....................................................9Alternator/Water Pump Drive Belt Tension
Inspection..
....................................................8Cap Pressure Test
.......................................8Engine Coolant Concentration Test
.............8
EngineCoolantLeakCheck........................8Engine Coolant Replacement
.......................8
SPECIFICATIONS.............................................2
GeneralSpecifications..................................2
Lubricant.......................................................4
Sealant..........................................................4Service Specifications
...................................2Torque Specifications
...................................3THERMOSTAT
.................................................15
TROUBLESHOOTING......................................5
Noriseintemperature................................5
Overheat.......................................................5
WATER HOSE AND WATER PIPE
<1.8L Engine>................................................25
WATER HOSE AND WATER PIPE
<2.0LDOHCEngine(Non-Turbo)>.............28
WATER HOSE AND WATER PIPE
<2.0LDOHCEngine(Turbo)>....................31
WATERPUMP<1.8LEngine>.....................17
WATER PUMP <2.0L DOHC Engine>.........21
Page 250 of 1216
7-2COOLING - Specifications
SPECIFICATIONS
GENERAL SPECIFICATIONSIcNQ7cA- I
ItemsCooling method
Radiator
TypeRadiator fan motor
TypeWater pump
Type
Thermostat
TypeIdentification mark
Drive belt
TypeEngine coolant temperature gauge unit
WeEngine coolant temperature sensor (Engine control)
TypeEngine coolant temperature switch (Air conditioner)
WeSpecifications
Water-cooled, pressurized, forced circulation
with electrical fan
Pressurized corrugated fin type
Direct current ferrite type
Impeller of centrifugal type
Wax pellet type with jiggle valve
88 (Stamped on flange)
V-ribbed belt
Thermistor type
Thermistor type
Thermistor type
SERVICE SPECIFICATIONSN07CB.-
Items
Standard valueRange of coolant antifreeze concentration
%
ThermostatValve opening temperature of thermostat
“C (“F)Full-opening temperature of thermostat
“C (“F)Opening pressure of cap high pressure valve
kPa (psi)
Therm0 sensor (on radiator)
Operating temperature
OFF
+ ON“C (“F)ON
--P OFF“C (“F)Engine coolant temperature gauge unit
ResistanceAt
70°C (158°F) QEngine coolant temperature sensor (Engine control)
ResistanceAt
20°C (68°F) kQAt
80°C (176°F) QEngine coolant temperature
switch (Air conditioner)
ON -+ OFF operating temperature
“C (“F)Limit
Opening pressure cap high pressure valve
kPa (psi)
Specifications
30-6088 (190)
100 (212) or more
75-105 (11-15)
82-88 (180-190)
78 (172) or less
104f 13.5
2.45
I!I 0.24
296
+ 32
112-l 18 (234-244)
65 (9.2)
Page 251 of 1216
COOLING - Specifications7-3
TORQUE SPECIFICATIONSN07CG.
ItemsRadiator insulator
upperThermosensor to radiator
Automatic transaxle oil cooler hose cramp
Automatic transaxle oil cooler hose mounting bolt
Water outlet fitting bolts
Engine mount insulator nut (large)
Engine mount insulator nut (small)
Engine mount bracket to engine
Bracket between engine mount bracket and engine
Tension pulley bracket for air conditioner
<1.8L Engine>
Water pump installation bolt
Bolt head mark “4T”
Bolt head mark “7T”
Water pulley bolt
pumpDamper pulley, crankshaft pulley
<1.8L Engine>
<2.0L DOHC Engine>
Timing belt front upper cover installation bolt
Timing belt front lower cover installation bolt
Crankshaft sprocket installation bolt
Timing belt
B tensioner
Tension pulley bracket for air conditioner
<2.0L DOHC Engine>
Automatic tensioner installation bolt
Tensioner pulley installation bolt
Oil level
gaugeFront exhaust pipe to exhaust manifold
Exhaust manifold cover (A)
Flange bolt: 8
x 12 mm (.31 x .47 in.)
Washer assembled bolt: 6
x 14 mm (.24x.55in.)
<2.0L DOHC Engine (Non-Turbo)>
Exhaust manifold cover
(8)
Heat protecter (A)
Heat protecter
(B)
Exhaust manifold to cylinder head<1.8L Engine>
<2.0L DOHC Engine>
Engine hanger to engine bracket
JVater inlet pipe installation bolt
Transaxle side
Engine block side
<1.8L Engine>
<2.0L DOHC Engine>
'ower steering oil pump to oil pump bracket
‘ower steering oil pump bracket to engine
Nmft.lbs.
9-14
7-103-4
2-3
4-63-4
3-52-4
17-2012-14
60-8043-58
30-4022-29
50-6536-47
17-2612-19
18-2213-15
12-15
9-11
20-2714-20
8-106-7
15-18
11-13
20-3014-22
IO-127-9
10-127-9
110-13080-9415-22
11-16
23-27
17-20
20-2714-2043-55
31-4012-15
9-11
30-4022-29
40-6029-43
30-4022-29
27-33
20-24
8-106-7
12-15
9-11
12-15
9-11
12-15
9-11
12-15
9-l 1
15-2011-14
25-3018-22
12-15
9-11
43-55
31-40
IO-127-9
12-15
9-11
35-4525-33
25-3318-24
Page 252 of 1216
7-4COOLING - Specifications
ItemsExhaust manifold to turbocharger
Oil return pipe
Water pipe (A) to turbocharger
Water pipe (A) mounting bolt
Water pipe
(B) to turbocharger
Water pipe
(B) to water inlet pipe
Water pipe to engine
Mounting bolt
(M8)Mounting bolt
(M6)Water pipe to turbocharger
Eye bolt (oil pipe)
Exhaust pipe support bracket
Exhaust pipe support bracket to front exhaust pipe
Engine coolant temperature gaugeunit
Engine coolant temperature sensor (Engine control)
Engine coolant temperature switch (Air conditioner)
Nmft.lbs. _155-65
40-47
8-106-7
35-5025-36
10-127-9
35-5025-36
40-5029-36
12-159-11
10-127-9
8-106-7
14-19
10-14
30-4222-30
30-4022-29 .’
10-127-9
20-4014-29
30-4022-29
LUBRICANT
ItemEngine coolantSpecified lubricant
High quality ethylene
glycol antifreeze coolantQuantity
6.2 liters
6.5
qts.
<2.0L DOHC Engine>
7.2 liters
7.6 qts.
SEALANTNO7CE-.
ItemEngine coolant temperature gauge unit
-Engine coolant temperature sensor (Engine control)
Engine coolant temperature switch (Air conditioner)Specified adhesive
MOPAR Part No.4318034 or equivalent
Page 285 of 1216
9-1
ENGINE
CONTENTSNOSAA-
ENGINE<1.8L
Engine>..................
24CRANKSHAFT, FLYWHEEL AND
DRIVE PLATE................................................
69
CYLINDER
BLOCK.........................................72
CYLINDERHEADANDVALVE
...................
53CYLINDER HEAD GASKET
...........................
36ENGINE ASSEMBLY
.....................................31ENGINE MOUNTING
....................................
28ENGINE ROLL STOPPER
.............................
30FRONT CASE, OIL PUMP AND
SILENT SHAFT
..............................................
58
OILPANANDOILSCREEN........................34
PISTON AND CONNECTING ROD
..............
65ROCKER ARMS AND ROCKER SHAFTS..
..51ROCKER ARMS, ROCKER ARM SHAFTS
AND CAMSHAFT
..........................................48
SERVICE ADJUSTMENT PROCEDURES..
...24TIMING BELT
................................................41TRANSAXLE MOUNTING
............................
29
ENGINE <2.0L DOHC Engine> . . . . . .
74CAMSHAFTS AND CAMSHAFT
OIL SEALS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84CAMSHAFTAND
ROCKERARM. . . . . . . . . . . . . . . .109CRANKSHAFT, FLYWHEEL AND
DRIVE PLATE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132
CYLINDERBLOCK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136
CYLINDERHEADANDVALVE
. . . . . . . . . . . . . . . . . . .112CYLINDER HEAD GASKET
...........................90ENGINE ASSEMBLY
.......................................81ENGINE MOUNTING
......................................77ENGINE ROLL STOPPER
...............................
79FRONT CASE, OIL PUMP AND
SILENT SHAFT
..............................................117OIL PAN AND OIL SCREEN
..........................
87
PISTONANDCONNECTING
ROD..............127SERVICE ADJUSTMENT PROCEDURES..
.....76TIMING BELT
................................................
85TRANSAXLE MOUNTING
............................78
GENERALINFORMATION................2
SPECIAL TOOLS...............................20
SPECIFICATIONS...............................8General Specifications
................................8Sealants and Adhesives
.............................19Service Specifications
.................................8Torque Specifications
.................................18
TROUBLESHOOTING........................23Compression Too Low
Connecting Rod Noise/Main Bearing Noise
Excessive Engine Rolling and Vibration
Noisy Valves
Oil Pressure Drop
Oil Pressure Too High
Timing Belt Noise
Page 292 of 1216
9-8ENGINE - Specifications
SPECIFICATIONS
GENERAL SPECIFICATIONSBNDBCA-
Items
TypeNumber of cylinders
Boremm (in.)
Strokemm (in.)
Compression ratio
Firing order
Silent shaft
Valve timing
Intake valve
Opens (BTDC)
Closes
(ATDC)Exhaust valve
Opens (BBDC)
Closes (ATDC)
LubricationSpecifications
1.8L Engine2.0L Engine
In-line Single Over Head CamshaftIn-line Double Over Head
Camshafi44
80.6 (3.17)85 (3.35)
86 (3.39)88 (3.46)
9.09.0 (Non-Turbo)
7.8 (Turbo)
l-3-4-21-3-4-2EquippedEquipped
20”
.26” (Non-Turbo)
21’ (Turbo)
52”46” (Non-Turbo)
51’ (Turbo)
55”
55”
17”9”Pressure feed-full flow filtrationPressure feed-full flow filtration
SERVICE SPECIFICATIONSNOSCB-
-4.8L Engine>
Items
Standard Value
Engine adjustments
Engine compression pressurekPa (psi)
-Engine compression pressure difference
-between each cylinder
kPa (psi)
Intake manifold vacuum at idle
mmHg (in.Hg)510 (20)
Timing belt “B” tension
mm (in.)
5-7
(.20-.28)Cylinder head
Overall height
mm (in.)
88.5 (3.484)
Flatness of gasket surface
mm (in.)
Less than 0.05
(0019)Flatness of manifold mounting
surfacemm (in.) Less than 0.15 (.0059)Limit
Min. 920 (131)
Max. 100 (14)
-0.2
(-.008)**Limit must be -0.2
(-.008) combined
with amount of
grinding of cylinder
block gasket surface.
0.2
(008)0.3
(.012)
Page 293 of 1216
ENGINE - SpecificationsItems
Valve stem to valve guide clearance
Intake
Exhaust
Valve guide
Lengthmm (in.)
Intake
Exhaust
Service size
mm (in.)mm (in.)Standard Value
0.03-0.06 (.0012-.0024)
0.05-0.09 (.0020-.0035)44 (1.73)
48 (1.89)
0.05
(.002), 0.25 (.OlO),
0.50
i.020) oversizeLimit
0.10
f.004)0.15
i.006)Valve seat
Width of seat contactmm (in.)
Seat angle
Valve spring
Free lengthmm (in.)
Load
N (Ibs.)
Out of squarness
Cylinder block
Cylinder boremm (in.)
ZIut-of;yundness and taper of cylinder bore
Cylinder block heightmm (in.)
Flatness of gasket surfacemm (in.)qight silent shaft
Front journal diametermm (in.)
Rear journal diametermm (in.)
Oil clearancemm (in.)
Front journal
Rear journal
-eft silent shaft
Front journal diametermm (in.)
Rear journal diametermm (in.)
Oil clearancemm (in.)
Front journal
Rear journal
‘istonO.D.mm (in.)
Clearance (Piston to cylinder)mm (in.)
0.9-l .3 (.0354-.0512)
44”-44.549.2
(1.937)48.2 (1.898)
274.6 (62) at installed height
Less than 2”4”
80.6 (3.173)
Less than 0.01
(.0004)285.2
(11.228)Less than 0.05
(.0020)0.1 (.0039)38.959-38.975
(1.5338- 1.5344)
35.951-35.967
(1.4154- 1.4160)
0.030-0.061(.0012-.0024)
0.050-0.091(.0020- .0036)
18.467- 18.480(.7270- .7276)
35.951-35.967(1.4154-1.4160)
0.020-0.054 (.0008-.0021)
0.050-0.091 (.0020-.0036)80.6
(3.173)
0.01-0.03 (.0004-.0012)