1991 MITSUBISHI ECLIPSE alternator

7-18COOLING - Water Pump <1.8L Engine>
lo-12 Nm7-9 ft.lbs.OlA05813
17
Removal steps
12. Spark plug cable+e l 4 13. Rocker cover14. Rocker cover gasket
l + 15. Semi-circular packing~~ e+ 16. Timing belt front upper coverl
17. Timing belt front lower cover+e l 18. Timing belt19. Crankshaft sprocketl 20. Flange21.
Timing belt B tensionerl I) ~~ 22. Timing belt B23.
Alternator bracel + 24. Water pump25.
Water pump gasketl + 26. O-ring
NUlt(I) Reverse the removal procedures to reinstall.(2) ** : Refer to “Service Points of Removal”.(3) l 4 : Refer to “Service Points of Installation”.(4) m : Non-reusable parts

7-22COOLING - Water Pump <2.0L DOHC Engine>
20-27-Nm12-15 Nm14-20 ft.lbs.9- 11 ftlbs.\,/”
110-130 Nm@80-94 ftlbs. -04A0094
15. Crankshaft sprocketl a 16. Flange17. Timing belt B tensioner4e l + 18. Timing belt B19. Alternator bracel 4 20. Water pump21. Water pump gasketI)* 22. O-ring
NOTE(I) Reverse the removal procedures to reinstall.(2) 4* : Refer to “Service Points of Removal”.(3) ** : Refer to “Service Points of Installation”.(4) m : Non-reusable partsSERVICE POINTS OF REMOVAL
NO’IMCAH
2. REMOVAL OF ENGINE MOUNT BRACKET
(1) Place a wooden block at the oil pan part of the engine, and
then jack up the vehicle.
Cautioncylb
Jack up carefully, so as not to apply a load to each part..__
(2) Remove the engine mount bracket.

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)

ENGINE - Specifications
..--Items
Drive belt
For alternator
Deflectionmm (in.)
Inspection
New belt
Used belt
Tension
N (Ibs.)
Inspection
New belt
Used belt
For air conditioner compressor
Deflectionmm (in.)
Inspection
New belt
Used belt
Tension
N (Ibs.)
Inspection
New belt
Used belt
For power steering pump
Deflectionmm (in.)
Inspection
Timing belt
Amount;; I;;;j;ction of auto tensioner
rodTiming belt “B” tensionmm (in.)
Amount;: I;;;jytion of auto tensioner
rod(distance between the tensioner arm and
auto tensioner body)
Auto tensioner rod retraction
wmNOTE
O.D.: Outer Diameter
I.D.: Inner Diameter
0,s.: Oversize Diameter
U.S.: Undersize DiameterStandard Value
9.0- 11.5 (.354-.453)
7.5-9.0 (.295-.354)10
i.394)
250-500 (55-l 10)
500-700 (11 o-1 54)400 (88)
Approx. 8
(.315)
5.0-5.5 (.197-.217)
6.0-7.0 (.236-,276)
250-500 (55- 110)
470-570 (104-126)
320-400 (71-88)
6.0-9.0 (.236-,354)12
(.47)5-7
(.20-.28)3.8-4.5
(.15-,1812.5-3Limit

9-26ENGINE <1.8L Engine> -Service Adjustment Procedures
TIMING BELT TENSION ADJUSTMENTNOSFGBCThere are two access holes provided in the timing belt front
lower cover. The two access holes can be used to readjust thetension of the timing belt, by following the procedures
described below, without the necessity of removing the timing
belt front lower cover. Note, however, that timing belt “B”,
which drives the right silent shaft, cannot be adjusted unless
the cover is removed.
(1) Turn the steering wheel all the way to the left.
(2) Remove the left side undercover panel.
NOTEThis work is done so that the crankshaft can be turned.
(3) Place a piece of wood against the engine oil pan and jack
(4)
:tmove the engine mounting bracket.
(5) Remove the timging belt front upper cover.
(6) Remove the four spark plugs.
(7) Turn the crankshaft clockwise and check the timing belt
condition.
OlAOOBlTiming mark
(on upper under cover)
Timing mark
(on camshaft sprocket)
OlR0153cover
‘I!i
OlA0082
01 A0083(8) Turn the crankshaft clockwise and align the timing marks.
(9) Remove the air conditioner drive belt and the alternator
drive belt.
(10)Remove the access cover (two places). There are easily
removed by inserting a screwdriver into the slots indicated
by the raised arrows in the timing belt cover and twisting.
(1l)lnser-t a socket wrench [a 14 mm (.55 in.) box wrench]
through the hole in the access cover and loosen the timing
belt tension bolt and nut.
Caution
The timing belt tension bolt and nut need only be
loosened
180”-200”. Any further loosening might re-
sult in their falling off inside the timing belt cover.

ENGINE <1.8L Engine> -Service Adjustment Procedures9-27
I.
Timing mark(on upper under cover)Timing belt
Timing mark
A(on camshaft
sprocket)OlR0154
3EN076
3EN07;-
(12)Turn the crankshaft clockwise by two teeth of the camshaft
sprocket.
(13)First tighten the timing belt tensioner installation bolt (on
the lower side), and then tighten the tensioner spacer
(upper side).Caution
Be sure to tighten the bolt (lower side) first. If the
tensioner spacer of pivot side is tightened first, the
tensioner will rotate with it and belt tension may
become loose.
(14)lnstall the access cover. The access cover may be easily
installed by passing the hooks between the guides and
sliding it in.
(15)lnstall the air conditioner drive belt and alternator drive belt
and adjust the slack.
(16)lnstalI the timing belt front upper cover.
(17)lnstall the engine mounting bracket.
(18)lnstalI the spark plugs.
(19)lnstall the left side undercover panel.
LASH ADJUSTERS CHECKNO9FEABaO
If an abnormal noise is heard from the lash adjusters check asfollows.
(I) After warming up the engine, stop it.
(2) While installed to the cylinder head, press the part of rockerfeel very hard if the lash adjuster condition is normal.
(3) If, when pressed, it easily descends all the way downward,
(4) If there.is a spongy feeling when pressed, air is probably
cause is probably an insufficient amount of engine oil, or
damage to the oil screen and/or screen gasket.
(adding oil or repair), warm up the engine and drive at low
speed for a short time. Then, after stopping the engine andthis procedure a few times to bleed out the air from the oil.

9-32ENGINE <1.8L Engine> - Engine Assembly35-45 Nm
25-33
ft.lbs.
25 31\5$M35 Nm
36-47 ft.lbs.
OlAO56429-36
ft.lbs.
3&40 Nm
22-29 ft.lbs.
Removal steps
21.
zztTtion for power steering oil pump30. Self-locking nut4e +4 31. Engine assembly
+e l + 24.*I)l 425.
26.27.
28.
4+29.
\60-80 Nm
43-58 ft.lbs.
OlAO563Connection for alternator
Connection for oil pressure switch
Power steering oil pump
Air conditioner compressor
palffz,cklng nuts
Clamp of pressure hose (Power
steelEngine mount bracket
ITEReverse the removal procedures to reinstall.
l *
: Refer to “Service Points of Removal”.
l * : Refer to “Service Points of Installation”.
P; Non-reusable parts
or ttghtening locations indicated by the * symbol, firs1tighten temporarily, and then make the final tightening
with the entire weight of the engine applied to the
vehicle
body.
t
SERVICE POINTS OF REMOVALNogs6SC24. REMOVAL OF POWER STEERING OIL PUMP
Remove the oil pump (with the hose attached).
NOTESuspend the removed oil pump (by using wire or similar
material) at a place where no damage will be caused duringremoval/installation of the engine assembly.

ENGINE <1.8L Engine> - Timing Belt
TIMING BELT
- REMOVAL AND INSTALLATION,
50-65 Nm
36-47 ft.lbs.Pre-removal Operation
@Removal of Under Cover
\ 16-22 ftlbs.\
lo-12 Nm
7-9 ft.lbs.
I28
15-22 Nm
11-16 ft.lbs.
3hO Nm
26-29 ft.lbs.
110-130 Nm(( \\ _ 60-94 ftlbs.
15-16 Nm-23-27 Nm
11-13 ft.lbs.17-20 ft.lbs.12-15 Nm
9- 11 ft.lbs.OlAO555
Removal steps
1. Clamp for pressure hose (power steering)
4*2. Engine mount bracketI)* 3. Drive belt (power steering)
4. Tensioner pulley bracket
H 5. Drive belt (air conditioner)
l + 6. Drive belt (alternator)
7. Water pump pulley (power steering)
8. Water pump pulley
9. Damper pulley
10. Adapter
11. Crankshaft pulley
I)4 12. Timing belt front upper cover
13. Gasket
l 14. Timing belt front lower cover
15. Gasket
16. Access cover
17. Crankshaft sprocket bolt
18. Special washer
Adjustment of timing belt tensioner
l *
:: 19. Timing beltl 4 20. Timing belt tensioner
I)+ 21. Tensioner spacer
l 22. Tensioner spring
23. Camshaft sprocket
4*24. Oil pump sprocket
25. Crankshaft sprocket
l 26. Flange
27. Timing belt tensioner “B”
~~ l 28. Timing belt “B”
l 4Adjustment of timing belt “B” tension
29. Right silent shaft sprocket
l * 30. Spacer
~~ 31. Crankshaft sprocket “B”32. Key
33. Left engine support bracket
34. Timing belt rear upper cover
35. Timing belt rear lower cover
NOTE(1) Reverse the removal procedures to reinstall.
(2)
4* : Refer to “Service Points of Removal”.
(3) l 4 : Refer to “Service Points of Installation”.