gear MITSUBISHI COLT 2006 Service Repair Manual

BASE ENGINE
ENGINE MECHANICAL <4A9>11A-9
CRANKSHAFT
AK305068AD
Oil pump drive
gear shaft
Crankshaft
sprocket
Crankshaft sensing ring
CrankshaftOil hole
Oil hole
Balance weightBalance weightBalance weight
A casted crankshaf
t is used for t he cr ankshaf t.
The crankshaft consist s o f 5 ma in be aring s an d 8
balan
ce weight s.
The crankshaft pins a r e arrang ed at 1 8 0° inte rval s.
The oil hole supply lu brication oil from t he jo urnal to
the crank p
i n.
A cranksha f t sprocket and an oil pump drive gea r
shaf
t are press-fit t ed on to the f r ont of the crankshaf t.
The crankshaft is also fitt ed with a crankshaf t sens-
ing ring.
CRANKSHAFT BEARING, THRUST BEARING
AK305070
Upper bearingOil groove
Oil hole
Identification
color
Lower bearing
Identification
color
AB
Thrust bearing
Groove
Front
The upp er cra n kshaf t bea ring (with oil groove) is
loca
ted on the cylinder block side wh ile the lo we r
bearin
g (witho ut oil groo ve) is he ld by the b earin g
cap.
The crankshaft bea ring is e quipp ed with back me t a l.
While the b
earin g it self is ma de of a l uminum alloy ,
the back met
a l is no rmally made of steel sheet .
A thrust bearing is inst alle d on b o th sides of th e No.
4 cran
kshaf t bearing.
ItemDimension
Crankshaft
bearingWidth mm16
Thickness mm20
Crankshaft
thrust bearingThickness mm3.275

BASE ENGINE
ENGINE MECHANICAL <4A9>11A-10
CRANKSHAFT PULLEY
AK305072AD
Timing markDamper
A cast iron cranksh af t pulley is used.
The pulley has grooves to eng age with a V -rib bed
belt (5
ribs), which drives an alternat or and a water
pump
.
An ignition timing mark (notch) is st amp ed on the
flang
e of the pulley .
The crankshaft pulley is equipped with a to rsio nal
damp
e r to minimize the torsional vibratio n of th e
cranksha
f t as well as sub s t antia lly redu ce no ise and
vib
r ation at the high spee d rang e.
Flyw he el
AK600531
Ring gear
Flywheel
AB
A cast iron ring g ear is a shrink fit in th e iron casting
of
t h e f l yw he el. T h e f l yw he el is in st a l le d by tigh t e n i n g
six bolt
s .

BASE ENGINE
ENGINE MECHANICAL <4A9>11A-11
DRIVE PLATE
AK401856Ring gearDrive plateAB
A cast iron
ring g ear is a shrin k fit in th e ste e l plate o f
the drive p
l ate. The drive p l ate is inst alled b y tighten
-
ing six bolts .

BASE ENGINE
ENGINE MECHANICAL <4A9>11A-25
CRANKSHAFT
AK305068AD
Oil pump drive
gear shaft
Crankshaft
sprocket
Crankshaft sensing ring
CrankshaftOil hole
Oil hole
Balance weightBalance weightBalance weight
A casted crankshaf
t is used for t he cr ankshaf t.
The crankshaft consist s o f 5 ma in be aring s an d 8
balan
ce weight s.
The crankshaft pins a r e arrang ed at 1 8 0° inte rval s.
The oil hole supply lu brication oil from t he jo urnal to
the crank p
i n.
A cranksha f t sprocket and an oil pump drive gea r
shaf
t are press-fit t ed on to the f r ont of the crankshaf t.
The crankshaft is also fitt ed with a crankshaf t sens-
ing ring.
CRANKSHAFT BEARING, THRUST BEARING
AK305070
Upper bearingOil groove
Oil hole
Identification
color
Lower bearing
Identification
color
AB
Thrust bearing
Groove
Front
The upp er cra n kshaf t bea ring (with oil groove) is
loca
ted on the cylinder block side wh ile the lo we r
bearin
g (witho ut oil groo ve) is he ld by the b earin g
cap.
The crankshaft bea ring is e quipp ed with back me t a l.
While the b
earin g it self is ma de of a l uminum alloy ,
the back met
a l is no rmally made of steel sheet .
A thrust bearing is inst alle d on b o th sides of th e No.
4 cran
kshaf t bearing.
ItemDimension
Crankshaft
bearingWidth mm16
Thickness mm20
Crankshaft
thrust bearingThickness mm3.275

BASE ENGINE
ENGINE MECHANICAL <4A9>11A-26
CRANKSHAFT PULLEY
AK305072AD
Timing markDamper
A cast iron cranksh af t pulley is used.
The pulley has grooves to eng age with a V -rib bed
belt (5
ribs), which drives an alternat or and a water
pump
.
An ignition timing mark (notch) is st amp ed on the
flang
e of the pulley .
The crankshaft pulley is equipped with a to rsio nal
damp
e r to minimize the torsional vibratio n of th e
cranksha
f t as well as sub s t antia lly redu ce no ise and
vib
r ation at the high spee d rang e.
Flyw he el
AK600531
Ring gear
Flywheel
AB
A cast iron ring g ear is a shrink fit in th e iron casting
of
t h e f l yw he el. T h e f l yw he el is in st a l le d by tigh t e n i n g
six bolt
s .

BASE ENGINE
ENGINE MECHANICAL <4A9>11A-27
DRIVE PLATE
AK401856Ring gearDrive plateAB
A cast iron
ring g ear is a shrin k fit in th e ste e l plate o f
the drive p
l ate. The drive p l ate is inst alled b y tighten
-
ing six bolts .

GENERAL INFORMATION
ENGINE ELECTRICAL16-2
GENERAL INFORMATION
M2160000100038
The electronic device is basically the same as that in
the conventional 4G1 engine.
The employed alternator is a lightweight type in
which the electronic voltage regulator for detecting
the battery voltage is built.
The employed starter motor is a small planetary gear
reduction drive type.
The employed spark plug is a long reach type with
iridium.
The employed ignition coil is a plug top type in which
the powertrain per cylinder is built.

MAIN BODY
BODY42-5
3. The dash side brace has been manufactured as an unit in order to strengthen the joint between
the front sidemember and the front pillar, increas
-
ing the rigidity of the entire body.
4. The installation position of the steering gearbox has been lowered, and the sidemember from the
front to the rear has been straightened in order to
improve rigidity of the entire body.
UNEVEN THICKNESS STEEL PLATE
AB400963
AB400941
AC
The rear door inner panel
is thicker toward the front of the vehicle.The front sidemember rear
is increasingly thicker toward
the front of the vehicle.The front floor pan
is thicker at the inner part.
The front door inner panel
is thicker toward the front of the vehicle.
The centre pillar reinforcement
is thicker at the upper part. (With the side outer panel removed) The tailgate inner panel
is thicker at the upper part.
The rear floor sidemember
is thicker at the front part.
Uneven thickness steel plate* wit h inte grate d uneven
thickness structure ha
s bee n ado pted fo r imp r ove d
safet
y upo n imp a ct an d redu ced weight.NOTE: *: S t ee l p l a t es with di ffer ent th ickn ess welded
togethe
r to make one steel plate .

SUNROOF
BODY42-21
SUNROOF MOTOR ASSEMBLY
AC207234AB
Sunroof-ECU
Drive gear
Motor
The sunroof motor assembly , which consist s o f the
m
o t o r bo d y , driv e ge ar , a n d sun r oo f-ECU, i s ins t al le d
in fron
t of the housing .
SUNROOF-ECU
6
3
1
10
54
M
AC312986 AC206479
5
4
3
2
1
10
9
8
7
6
AB
Ignition switch
Open switch Tilt-up switch
Close/Tilt-down
switch Sunroof switch Sunroof-ECU
Sunroof motor assembly Motor
Sensor 1
Sensor 2 Sensor
power supply
The su nroof-ECU incorporate s a micro c omputer an d
contro
ls various motor operations base d on t he su n
-
roof switch sign als.

MANUAL TRANSMISSION
MANUAL TRANSMISSION22-2
MANUAL TRANSMISSION
GENERAL INFORMATIONM2220000100592
Due to the addition of vehicles with M/T, a
"GETRAG" F5MG type transmission has been
adopted.
SPECIFICATIONS
Transmission modelF5MGAF5MGB
Engine model4A94G1
Transmission type5-speed, floor-shift
Transmission gear ratio1st3.3083.538
2nd1.9131.913
3rd1.2581.344
4th0.9431.027
5th0.7630.833
Reverse3.2313.357
Final reduction ratio4.1583.737
Transmission fluidSpecified
lubricantsDia-Queen wide gear oil G-1 SAE 75W-90 API GL-4
Quantity L1.75