length MITSUBISHI ECLIPSE 1991 Owner's Manual
[x] Cancel search | Manufacturer: MITSUBISHI, Model Year: 1991, Model line: ECLIPSE, Model: MITSUBISHI ECLIPSE 1991Pages: 1216, PDF Size: 67.42 MB
Page 298 of 1216
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
Exhaust
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
Page 299 of 1216
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)
Page 300 of 1216
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)
Page 331 of 1216
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.
Page 339 of 1216
ENGINE - Cylinder Head and Valve9-55
3EN026
w -w===j=Margin , EN034
Squareness
IFree length
INSPECTION
CYLINDER HEADNosocAMl Check the cylinder head for cracks, damage and engine
coolant leakage.l
Remove the scale, sealing compound and carbon deposits
completely. After cleaning oil passages, apply compressedair to make certain that the passages are clear.
l Check the cylinder head gasket surface for flatness by
using a straight edge in the direction of A, B, . . . as shown. Ifthe flatness exceeds the limit in any direction, either
resurface or replace the cylinder head.
Flatness of cylinder head gasket surface:
Standard dimension
Limit
Overall height:
Limit
Caution
Less than 0.05 mm (0020 in.)
0.2 mm (008 in.)
88.5 mm (3.484 in.)
88.3 mm (3.478 in.)
If cylinder block gasket surface has already been
ground, thickness of the removed stock should be
included in the grinding limit of -0.2 mm
(-,008 in.).
VALVESNo9PGMa
(1) Check each valve for wear, damage and deformation of
head and stem at
B. Correct or replace excessively worn,
damaged or deformed valves.
(2) If stem tip A is pitted, correct with an oil stone or other
means. The correction must be limited to a minimum. Also
reface the valve.
(3) Replace the valve if the margin has decreased to less than
the limit.
Margin:
Standard dimension
Intake1.0 mm (.039 in.)
Exhaust0.7 mm (028 in.)
Limit
Intake0.7 mm (.028 in.)
Exhaust0.5 mm LO20 in.)
VALVE SPRINGSNOWGh
(1) Check the valve spring for free length and load. If they
exceed the limits, replace the spring.
(2) Using a square, check the squareness of each spring. If thespring is out of square beyond the limit, replace.
Valve spring:
Standard dimension
Free length
49.2 mm (1.937 in.)
Load274.6 N (62 Ibs.) at installed height
Installed height37.3 mm (1.469 in.)
Out of square
Less than 2”
Limit
Free length48.2 mm (1.888 in.)
Installed height38.3 mm (1.516 in.)
Out of square4”
Page 347 of 1216
ENGINE <1.8L Engine> -Front Case, Oil Pump and Silent Shaft9-63
aSocket wrench/
3EN271
MD998285R
Fasten toqether with
the timtins under cover
C
belt tensioner3ENOOWTiming marks
16. / 15. INSTALLATION OF OIL PUMP GEARS(1) Align the timing mark on the drive gear with that on
driven gear and install them into front case.
(2) Apply amplely engine oil to the gears.
3EN046
21. INSTALLATlON OF SILENT SHAFT OIL SEAL
Using a socket wrench, press-in the silent shaft oil seal intofront case.
17. INSTALLATION OF FRONT CASE(1) Set the special tool on the front end of crankshaft and
apply engine oil to the outer circumference of the
special tool.
(2) Install the front case using three different sizes of bolts
as shown.
Code
A
B
C
Bolt size
(diameter x length) mm (in.)8
x 20 (.32 x .79)8
x 25 (.32 x .98)
8 x 40 (32 x 1.57)
Head mark
“4”
“4”“4”
14. INSTALLATION OF FLANGE BOLT
Insert a Phillips screwdriver [shank diameter 8 mm (32 in.)]into the plug hole on the left side of cylinder block to block
the silent shaft, then tighten the flange bolt.
Page 354 of 1216
ENGINE <1.8L Engine> -Crankshaft, Flywheel and Drive Plate
3EN055
6EN043
1 EN067
MAIN BEARINGS AND CONNECTING ROD BEARINGSVisually inspect each bearing for peeling, melt, seizure and
improper contact. Replace the faulty bearings.
OIL CLEARANCE MEASUREMENTTo check the oil clearance, measure the outside diameter of
crankshaft journal and crank pin and the inside diameter of
bearing. The clearance can be obtained by calculating the
difference between the measured outside and inside dia-
meters.
Oil clearance:
Crankshaft main bearing
0.02-0.05 mm (.OOOS-.0019 in.)
Connecting rod bearing
0.02-0.05 mm (.OOOS-.0019 in.)
Limit:
Crankshaft main bearing0.1 mm (.004 in.)
Connecting rod bearing0.1 mm (.004 in.)
PLASTIC-GAUGE METHODPlastic-Gauge may be used to measure the clearance.
(1)Remove oil and grease and any other dirt from bearings and
journals.(2) Cut Plastic-Gauge to the same length as the width of the
bearing and place it in parallel with the journal, off oil holes.(3) Install the crankshaft, bearings and caps and tighten them
to the specified torques. During this operation, do NOT turn
the crankshaft. Remove the caps. Measure the width of the
Plastic-Gauge at the widest part by using
a scale printed onthe Plastic-Gauge sleeve.
If the clearance exceeds the limit, the bearing should be
replaced or an undersize bearing used.
When installing a new crankshaft, be sure to use standard
size bearings.Should the standard clearance not be obtained even after
bearing replacement, the journal should be ground to
undersize and a bearing of the same size should be
installed.
OIL SEALCheck front and rear oil seals for damage or worn lips.
Replace any seat that is faulty.
Page 410 of 1216
9-126ENGINE <2.0L DOHC Engine>- Front Case, Oil Pump and Silent Shaft
6EN0213
w Crank pulley side
Oil pan
from lower side
‘- Apply sealant7LUOOO0
6LUOO49 tBracket side
-----Be
\Apply oil9. INSTALLATION OF OIL PAN
(1) Clean both mating surfaces of oil pan and cylinder
+
block.
(2) Apply a 4 mm (.I 6 in.) wide bead of sealant to the entirecircumference of the oil pan flange.
Specified sealant:
MITSUBISHI GENUINE PART No.
MD9971 10 or
equivalent
(3) The oil pan should be installed in 15 minutes after the
application of sealant.
(4) Note the difference in bolt lengths at the location
shown.8. INSTALLATION OF OIL PRESSURE SWITCH
(1) Coat sealant on the thread area, and using the special
tool, install the pressure switch.
Specified sealant: MOPAR Part No.4318034
orequivalent
Caution
1. Do not let sealant ooze out of the top of the
thread area.
2. Do not overtighten the pressure switch.
(2) Install the oil pressure switch terminals.
5. INSTALLATION OF OIL COOLER
First insert the oil cooler projecting stopper in the oil filter
bracket groove and then tighten the oil cooler bolts.lu3. INSTALLATION OF OIL FILTER
Wipe clean the mounting surface on the filter bracket.
Then, apply a thin coat of engine oil to filter O-ring and
tighten the oil filter by hand.
Caution
-.Never use a wrench to tighten the oil filter.
-i
16LUO26
Page 417 of 1216
![MITSUBISHI ECLIPSE 1991 Owners Manual ENGINE <2.0L DOHC Engine>- Crankshaft, Flywheel and Drive Plate,91133
INSPECTIONNOSUHAD
CRANKSHAFT(1) Check the crankshaft journals and pins for streaks and
seizure. Replace if necessary.
6EN0’228
\](/img/19/57104/w960_57104-416.png "MITSUBISHI ECLIPSE 1991 Owners Manual ENGINE <2.0L DOHC Engine>- Crankshaft, Flywheel and Drive Plate,91133
INSPECTIONNOSUHAD
CRANKSHAFT(1) Check the crankshaft journals and pins for streaks and
seizure. Replace if necessary.
6EN0’228
\")
ENGINE <2.0L DOHC Engine>- Crankshaft, Flywheel and Drive Plate,91133
INSPECTIONNOSUHAD
CRANKSHAFT(1) Check the crankshaft journals and pins for streaks and
seizure. Replace if necessary.
6EN0’228
\3EN056
Plastic
6EN043
. .
I1 EN067-(2) Measure the journal O.D. and main bearing I.D. to obtain
the clearance between the two (oil clearance). If the
clearance exceeds the limit, replace the main bearing and,if necessary, the crankshaft.
Standard value:
0.02-0.05 mm (.OOOS-.0020 in.)
Limit: 0.1 mm
(.0040 in.)
Caution
A special
surface treatment has been applied to
crankshaft. Do not machine it to undersize.
CRANKSHAFT OIL CLEARANCE (PLASTIC GAUGE
METHOD)
The crankshaft oil clearance can be measured easily by using aplastic gauge, as follows:
(1) Remove oil and grease and any other foreign matters from
crankshaft journal and bearing inner surface.
(2) Install the crankshaft.
(3) Cut the plastic gauge to the same length as the width of
bearing and place it on journal in parallel with its axis.
(4) Gently place the crankshaft bearing cap over it and tighten
the bolts to the specified torque.
(5) Remove the bolts and gently remove the crankshaft
bearing cap.(6) Measure the width of the smashed plastic gauge at its
widest section by using a scale printed on the plastic gauge
bag.
Page 598 of 1216
16-2PROPELLER SHAFT - Specifications
SPECIFICATIONS
GENERAL SPECIFICATIONSNWCA--
ItemsPropeller shaft
TypeLength
x O.D.
Front
Center
RearUniversal joint
TypeSpecifications
4 joint propeller shaft
mm (in.)
707
x 50.8 (27.8 x 2.00)
647.5
x. 50.8 (25.5 x 2.00)
530.5
x 50.8 (20.9 x 2.00)
No.
1 (front)
No. 2 (center front)
No. 3 (center rear) [Lobro joint]
No. 4 (rear)
Cross type universal joint bearing
Cross type universal joint
Journal O.D.
Equal velocity joint type
Equal velocity joint size O.D.mm (in.)
mm (in.)Cross type
Cross type
Equal velocity type
Cross type
Needle roller bearing
(oilless type)
14.689
(.5783)Lobro joint
(oilless type)
94 (3.7)
NOTEPropeller shaft length indicates the length between the center points of each joint.
SERVICE SPECIFICATIONSNWCB-
ItemsSpecifications
Standard value
Journal axial playmm (in.)
0.02-0.06 (.0008-.0024)
Limit
Propeller shaft
runout(Dial indicator reading)
Frontmm (in.)
0.6 (.024) or less
Centermm (in.)0.6 (.024) or less
Rearmm (in.)0.6 (.024) or less
TORQUE SPECIFICATIONSNlBCC--
ItemsNmCenter bearing self locking nut
30-40Flange yoke to differential companion flange
30-35Center propeller shaft to center yoke
160-220Rear propeller shaft to companion flange
160-220Companion flange to Lobro joint assembly
30-40tft.lbs.
22-29
22-25
116-159
116-159
22-29