1991 MITSUBISHI ECLIPSE length

7-24COOLING - Water Pump <2.0L DOHC Engine>
Identification mark
4lternater brace
6COOOlO
20. INSTALLATION OF WATER PUMP
(1) Clean both gasket surfaces of water pump body and
jir,cylinder block.
(2) Install new water pump gasket and water pump ’
assembly and tighten the bolts.
No, IdentificationBolt diameter (d)Torquemarkx length (I?) mm (in.)Nm (ft.lbs.1
148x14(.31x.55)
248x22(.31x.87)12-15(g-10)
348x30(.31x1.18)
4
78x65(.31x2.56)20-27(15-191
548x28(.31x1.10)12-15(g-10)
18. INSTALLATION OF TIMING BELT B/16. FLANGEFor information concerning the installation of the timing
belt
B and the flange, refer to GROUP g-Timing Belt B.
14. INSTALLATION OF TIMING BELT/lZ. AUTOMATIC 6TENSlONNER/
11. TIMING BELT LOWER COVER/ -
10. TIMING BELT UPPER COVERFor information concerning installation of the timing belt,
the automatic tensioner, the timing belt lower cover, and
the timing belt upper cover, refer to GROUP g-Timing Belt.
6. DRIVEBELT TENSIONADJUSTMENT
Refer to GROUP
24-Service Adjustment Procedures.
4. DRIVE BELT TENSION ADJUSTMENT
Refer to GROUP 1
g-Service Adjustment Procedures.
3. DRIVE BELT TENSION ADJUSTMENT
Refer to
P.7-9.

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)

9-10ENGINE - SpecificationsItems
rIvrs,iz; rework dimension of valve seat hole
Intake0.3
(012) O.S.0.6
(024) O.S.
Exhaust 0.3
(.012) O.S.
0.6
(024) OS.Oversize rework of valve guide hole
(both intake and exhaust)mm (in.)
0.05
(.002) O.S.0.25
(.OlO) O.S.
0.50
(.020) O.S.Standard Value
43.300-43.325
(1.7047- 1.7057)
43.600-43.625
(1.7165-1.7175)
37.300-37.325(1.4685- 1.9695)
37.600-37.625(1.4803- 1.4813)
13.050- 13.068(.5138-.5145)
13.250- 13.268(.5217-.5224)
13.500-13.518
(.5315-.5322)Limit
Camshaft
Cam heightmm (in.)
Intake35.91 (1.4138)35.41 (1.3941)
Exhaust35.91 (1.4138)35.41 (1.3941)
Journal O.D.mm (in.)
33.935-33.950(1.3360- 1.3366)Bearing oil clearancemm (in.)
0.05-0.09 (.0020-.0035)End playmm (in.)
0.1-0.2 (.004-,008)Rocker arm
I.D.mm (in.)
18.910- 18.928
(.7445- .7452)Clearance (Rocker arm to shaft)mm (in.)
0.01-0.04 (.0004-.0016)0.1 (004)Rocker arm shaft
O.D.mm (in.)
18.885- 18.898(.7435-.7440)Rocker arm shaft spring
Free lengthmm (in.)
Intake
Exhaust
Valve
Valve lengthmm (in.)
Intake
Exhaust
Stem
O.D.mm (in.)
Face angle
Thickness of valve head (Margin)
Intake
Exhaust53.3
(2.098)53.3
(2.098)109.8 (4.323)
108.7 (4.280)
8
(.31)
45”-45.5”mm (in.)
1 .o
(.039)0.7 (028)0.7
(.028)0.5 (.020)

9-12ENGINE - Specifications3msStandard ValueLimit
Undersize rework dimension of pinmm (in.)
0.25
f.010) U.S.44.735-44.750
(1.7612-1.7618)0.50
(.020) U.S.44.485-44.500
(1.7514-1.7520)0.75
(030) U.S.44.235-44.250(1.7415-1.7421)
Undersize rework dimension of journalmm (in.)
0.25
(.OlO) U.S.56.735-56.750(2.2337-2.2342)
0.50
(020) U.S.56.485-56.500(2.2238-2.2244)
0.75
(.030) U.S.56.235-56.250
(2.2140-2.2146)
wheelRunoutmm (in.)Less than 0.13
(0051)I pressure at curb idle speedkPa (psi)80 (11.4) or more
onditions: oil temperature is 75 to
90°C67 to 194”F)l
1 w-wTip clearancemm (in.)
Drive gear
0.06-0.12 (.0024-.0047)0.20 i.0079)Driven gear
0.04-O. 12 (.0016-.0047)0.18 (.0071)Side clearancemm (in.)
Drive gear
0.10-0.16 (.0039-.0063)0.20 (.0079)Driven gear
0.02-0.05 (.0008-.0020)0.15 (.0059)
rlief spring
Free lengthmm (in.)
43.8 (1.724)
Load
[37N at 8.2 Ibs.]mm (in.)
40.1 (1.5787)
ive belt
For alternator
Deflection
mm (in.)
Inspection
9.0- 11.5 (.354-,453)New belt
7.5-9.0 (.295-.354)Used belt
10
i.394)TensionN (Ibs.)
Inspection
250-500 (55- 110)
New belt
500-700 (110-154)Used belt
400 (88)
For air conditioner compressor
Deflectionmm (in.)
Inspection
Approx. 8
(315)New belt
5.0-5.5 (.197-.217)Used belt
6.0-7.0 (.236-.276)

9-14ENGINE - SpecificationsItems
Oversize rework of valve guide hole
(both intake and exhaust)mm (in.)
0.05
(.002) O.S.0.25
(.OlO) O.S.
0.50
(.020) 0,s.Standard Value
12.050-12.068(.4744-.4751)
12.250-12.268(.4823-.4830)
12.500-12.518
(.4921-.4928)Limit
,’Camshaft
Cam heightmm (in.)
Intake
35.493 (1.3974)34.993 (1.3777)
35.200 (1.3858)34.700 (1.3661)
Exhaust
35.200 (1.3858)34.700 (1.3661)
35.493 (1.3974)34.993 (1.3777)
Journal O.D.mm (in.)
25.951-25.970(1.0217-1.0224)Bearing oil clearancemm (in.)
0.05-0.09 (.0020-.0035)End playmm (in.)
0.1-0.2 (.004-,008)Valve
Valve lengthmm (in.)
Intake
109.5 (4.311)
Exhaust
109.7 (4.319)
Stem O.D.mm (in.)
Intake
6.565-6.580(.2585-.2591)Exhaust
6.530-6.550
(.2571-.2579)Face angle
45"-45.5"Thickness of valve head (Margin)
mm (in.)
Intake
1.0
(.040)0.7 (.028)Exhaust
1.5
(.059)1.0 (.040)Jalve stem to valve guide clearance
mm (in.)
Intake
0.02-0.047 (.0008-.0019)0.10 (.004)Exhaust
0.05-0.085 (.0020-.0033)0.15 (.006)Jalve guide
Length
mm (in.)
Intake
45.5 (1.791)
Exhaust
50.5 (1.988)
Service size
mm (in.)
0.05
(.002), 0.25 (.OlO),0.50 (.020) oversize
/alve seat
Width of seat contact
mm (in.)
0.9-1.3 (.035-.051)Seat angle
44"-44.5"Service size
mm (in.)
0.3
(.012), 0.6 (.024)oversize

ENGINE - Specifications9-15ItemsStandard ValueLimit
Valve spring
Free lengthmm (in.)48.3
(1.902)47.3 (1.862)
Load
N (Ibs.)300 (66) at installed height
Out of squarnessLess than 1.5”4”
Cylinder block
Cylinder boremm (in.)85.00 (3.3465)
FIu-o$xrndness and taper of cylinder boreLess than 0.01 (0004)Flatness of gasket surfacemm (in.)Less than 0.05
(.0020)0.1 (.0040)Right silent shaft
Front journal diameter
mm (in.)
41.959-41.975(1.6519-1.6526)
Rear journal diameter
mm (in.)
40.951-40.967(1.6122-1.6129)
Oil clearancemm (in.)
Front journal
0.020-0.061 (.0008-.0024)Rear journal
0.050-0.091 (.0020-.0036)Left silent shaft
Front journal diameter
mm (in.)
18.467- 18.480(.7270-.7276)Rear journal diameter
mm (in.)
40.959-40.975
(1.6126-1.6132)Oil clearancemm (in.)
Front journal
0.020-0.054 (.0008-.0021)Rear journal
0.042-0.083 (.0017-.0033)Piston
O.D.
mm (in.)85.00 (3.3465)
CnlIr;;y (Piston to cylinder)(Non-Turbo) 0.02-0.04 (.0008-.0016)(Turbo)
0.03-0.05 (.0012-.0020)Ring groove width
mm (in.)
No. 11.22-l .24 (.0480-.0488)
No.21.52- 1.54 (.0598-.0606)Oil
3.01-3.03 (.1185-.1193)Service sizemm (in.)0.25
(.OlO), 0.50 (.020),0.75
(.030), 1 .oo i.039)oversize‘iston ring
Side clearancemm (in.)
No.1. No.2End gapmm (in.)
No. 1No. 2
Oil ring side railmm (in.)
Service sizemm (in.)
0.03-0.07 (.0012-.0028)
0.25-0.45 (.0098-.0177)
0.35-0.50 (.0138-.0197)
0.20-0.70 (.0079-.0276)0.25
(.OlO), 0.50 (.020),0.75 (030). 1.00 i.039)oversize0.1
(.004)0.8
(.031)0.8
(.031)1.0
(.040)

9-16ENGINE - SpecificationsItems
Connecting rod
Bendmm (in.)
Twistmm (in.)
Connecting rod big end to crankshaft
side clearancemm (in.)
Piston pin press-in loadN (Ibs.)Standard Value
0.05 or less per 100
(0020 or less per 3.937)
0.1 or less per 100
(0040 or less per 3.937)
0.10-0.25 (.0040-.0098)
75,000- 175,000
(1,653-3,858)Limit
0.4
(0157)Connectingrod bearing
Oil clearancemm (in.)
Crankshaft main bearing
Oil clearancemm (in.)
Crankshaft
Pin O.D.mm (in.)
Journal
0.D:mm (in.)
Out-of-roundness of journal and pinmm (in.)
Taper of journal and pinmm (in.)
End playmm (in.)
FlywheelRunoutmm (in.)
Oil pressure at curb idle speedkPa (psi)
[Conditions: oil temperature is 75 to
90°C(167 to 194”F)l
0.02-0.05 (.0008-.0020)
0.02-0.05 (.0008-.0020)
44.980-44.995
(1.7709-1.7715)
56.980-56.995
(2.2433-2.2439)Less than
0.015 (.0006)Less than
0.005 (.0002)
0.05-0.18 (.0020-.0070)80
(11.4) or more0.1
(.004)0.1
(004)0.25
LOO981Less than 0.13
(.0051)Oil pump
Tip clearancemm (in.)
Drive gear
0.16-0.21 (.0063-.0083)0.25 f.0098)Driven gear
0.13-0.18 (.0051-.0071)0.25 t.0098)Side clearancemm (in.)
Drive gear
0.08-0.14 (.0031-.0055)0.25 (.0098)Driven gear
0.06-0.12 (.0024-.0047)0.25 i.0098)
qelief spring
Free lengthmm (in.)
46.6 (1.835)
Load
[61N at 13.4 Ibs.]mm (in.)
40.1 (1.579)

ENGINE <1.8L Engine> - Timing Belt9-47
Timing mark
Nut
;olt diameter x lengthim (in.)
6x50(.23 x 1.97)
6
x 38(.23 x 1.50)(3) Turn the crankshaft clockwise by two teeth of the
camshaft sprocket.
Caution
As the purpose of this procedure is to apply the
proper amount of tension on the timing belt, be
sure not to rotate the crankshaft counterclockwise
or place pressure on the belt to check the amount of
tension.(4) Apply force on tensioner toward turning direction, (in
the direction of the arrow) such that no portion of the
belt raises out in portion A, place the belt on the
camshaft sprocket such that the belt sprocket teeth arefully engaged.
(5) Tighten the tensioner installation bolt and tensioner
spacer in that order.
Caution
If the tensioner spacer is tightened first, the ten-
sioner will rotate with it and belt tension be thrown
out of adjustment. Always tighten the bolt first.(6) Check to see that the clearance between the outside of
the belt and the cover are within the standard value by
grasping the tension side (between the camshaft
sprocket and oil pump sprocket) of the centre part of
the timing belt between the thumb and index finger.
Standard value: 12 mm (.40 in.)
14. INSTALLATION OF TIMING BELT FRONT LOWER
COVER/12. TIMING BELT FRONT UPPER COVERNote that the timing belt lower and upper cover attaching
bolts differ in size from one place to another.
6.TENSION ADJUSTMENT OF THE ALTERNATOR DRIVE
BELTRefer to GROUP
14-Service Adjustment Procedures.
5. TENSION ADJUSTMENT OF THE AIR CONDITIONER
COMPRESSOR DRIVE BELTRefer to GROUP
24- Service Adjustment Procedures.
3.DEFLECTION ADJUSTMENT OF POWER STEERING OIL
PUMP DRIVE BELTRefer to GROUP 1
g-Service Adjustment Procedures.