Mitsubishi Montero Sport (2004+). Manual — part 72
MAINTENANCE SERVICE
TSB Revision
GENERAL <BODY AND CHASSIS>
00-47
4. As shown in the illustration, keep the microphone
(MB991668) 10 to 20 mm (0.39
− 0.79 inch) away from the
back side of the belt perpendicularly (within an inclination of
± 15 degrees).
5. With your finger tip lightly tap the center of the belt between
the pulleys in the location shown by the arrow in the
illustration to check whether the belt vibration frequency is
within the standard.
Standard value:
CAUTION
• Measure when the belt surface temperature is close to
room temperature.
• Make sure that water or oil, etc., does not get on the
microphone.
• If a strong wind blows or noise is made close to the
microphone during measure, the meter will show a
value that differs from the actual value.
• If the measurement is taken with the microphone touch-
ing the belt, the meter will show a value that differs
from the actual value.
• Do not measure while the engine is running.
.
ITEM
SPECIFICATION
Vibration frequency Hz A
216
− 265
B
146
− 180
AC003360
MB991668
(MICROPHONE)
10 – 20 mm
(0.39 – 0.79 in)
15˚
15˚
B
15˚
15˚
10 – 20 mm
(0.39 – 0.79 in)
MB991668
(MICROPHONE)
COOLING FAN
PULLEY
TENSION
PULLEY
GENERATOR
PULLEY
CRANKSHAFT PULLEY
AB
A
MAINTENANCE SERVICE
TSB Revision
GENERAL <BODY AND CHASSIS>
00-48
<When not using scan tool (MUT-III)>
1. Use a belt tension gauge to check that the belt tension is at
the standard value at a point half-way between the two
pulleys (indicated by an arrow in the illustration). In addition,
press this section with a force of 98 N (22 lb) and check that
the amount of the belt deflection is at the standard value.
Standard value:
2. If the tension or deflection is not within the standard value,
adjust by the following procedure.
(1) Loosen the tension pulley fixing nut.
(2) Tighten provisionally the tension pulley fixing nut to 15
N
⋅m (11 ft-lb), and turn the adjusting bolt to adjust the belt
tension or deflection to the standard value.
Standard value:
(3) Tighten the tension pulley fixing nut.
Tightening torque: 49
± 10 N⋅m (36 ± 7 ft-lb)
Power Steering Oil Pump Drive Belt
.
<When using scan tool (MUT-III)>
With your finger tip lightly tap the enter of the belt between the
pulley in the location shown by the arrow in the illustration and
then measure the belt vibration frequency.
NOTE: Refer to
for information regarding the vibration
frequency measurement method using the scan tool (MUT-III).
.
ITEM
SPECIFICATION
Tension (lb)
392
− 588 (88 − 132)
Deflection <Reference
value> mm (in)
A
6.5
− 8.9 (0.26 − 0.35)
B
9.3
− 12.5 (0.37 − 0.49)
ITEM
DURING
ADJUSTMENT
DURING
REPLACEMENT
Vibration
frequency Hz
A
230
− 254
307
− 342
B
156
− 172
208
− 232
Tension N (lb)
441
− 539 (99 −
121)
784
− 980 (176 −
220)
Deflection
<reference
value> mm
(in)
A
7.0
− 8.4 (0.28
− 0.33)
4.0
− 5.2 (0.16 −
0.20)
B
10.1
− 1.7 (0.40
− 0.46)
6.0
− 7.4 (0.24 −
0.29)
AC003361
B
A
COOLING
FAN PULLEY
CRANK-
SHAFT
PULLEY
TENSION PULLEY
GENERATOR
PULLEY
AB
AC003362AB
FIXING NUT
ADJUSTING BOLT
TENSION
PULLEY
MAINTENANCE SERVICE
TSB Revision
GENERAL <BODY AND CHASSIS>
00-49
<When not using scan tool (MUT-III)>
1. Use a belt tension gauge to check that the belt tension is at
the standard value at a point half-way between the two
pulleys (indicated by an arrow in the illustration). In addition,
press this section with a force of 98 N (22 lb) and check that
the amount of belt deflection is at the standard value.
Standard value:
2. If the tension or deflection is not within the standard value,
adjust by the following procedure.
(1) Loosen the tension pulley nut.
(2) Adjust the amount of belt deflection using the adjusting
bolt.
(3) Tighten the tension pulley nut.
Tightening torque: 49 N
⋅m (36 ft-lb)
CAUTION
Turn the crankshaft once or more clockwise.
(4) Check the belt deflection amount and tension, and
readjust if necessary.
Air Conditioning Compressor Drive Belt
.
<When using scan tool (MUT-III)>
With your finger tip lightly tap the center of the belt between the
pulleys in the location shown by the arrow in the illustration and
then measure the belt vibration frequency.
NOTE: Refer to
for information regarding the vibration
frequency measurement method using the scan tool (MUT-III).
.
ITEM
WHEN
CHECKED
DURING
ADJUSTME
NT
DURING
REPLACEM
ENT
Vibration
frequency Hz
107
− 137
115
− 130
137
− 163
Tension N
(lb)
294
− 490
(66
− 110)
343
− 441
(77
− 99)
490
− 86
(110
− 154)
Deflection
(reference
value) mm
(in)
14.3
− 18.6
(0.57
− 0.73)
15.3
− 17.4
(0.61
− 0.68)
11.1
− 14.3
(0.44
− 0.56)
AC003363
POWER
STEERING OIL
PUMP PULLEY
TENSION
PULLEY
COOLING FAN PULLEY
DEFLEC-
TION
AB
AC003364AB
TENSION
PULLEY NUT
ADJUSTING
BOLT
MAINTENANCE SERVICE
TSB Revision
GENERAL <BODY AND CHASSIS>
00-50
<When not using scan tool (MUT-III)>
1. Use a belt tension gauge to check that the belt tension is at
he standard value at a point half-way between the two
pulleys (indicated by an arrow in the illustration). In addition,
press this section with a force of 98 N (22 lb) and check that
the amount of belt deflection is at the standard value.
Standard value:
2. If the tension or deflection is not within the standard value,
adjust by the following procedure.
(1) Loosen the tension pulley fixing nut.
(2) Adjust the amount of belt deflection using the adjusting
bolt.
(3) Tighten the fixing nut.
CAUTION
Turn the crankshaft once or more clockwise before check-
ing.
(4) Check the belt deflection amount and tension, and
readjust if necessary.
9. EXHAUST SYSTEM (CONNECTIONS PORTION
OF MUFFLER, MUFFLER PIPES AND
CONVERTER HEAT SHIELDS) (CHECK AND
SERVICE AS REQUIRED)
M1001005800307
1. Check for holes and exhaust gas leaks due to damage,
corrosion, etc.
2. Check the joints and connections for looseness and exhaust
gas leaks.
3. Check the rubber hangers and brackets for damage.
ITEM
WHEN
CHECKED
DURING
ADJUSTME
NT
DURING
REPLACEM
ENT
Vibration
frequency Hz
207
− 232
207
− 232
243
− 264
Tension N
(lb)
392
− 490
(88
− 110)
392
− 490
(88
− 110)
593
− 637
(121
− 143)
Deflection
(reference
value) mm
(in)
5.6
− 6.4
(0.22
− 0.25)
5.6
− 6.4
(0.22
− 0.25)
4.3
− 5.1
(0.17
− 0.20)
AC003365
CRANKSHAFT
PULLEY
TENSION
PULLEY
A/C COMPRESSOR PULLEY
DEFLECTION
AB
AC003366AB
CRANKSHAFT
PULLEY
TENSION
PULLEY
ADJUSTING BOLT
FIXING NUT
A/C
COM-
PRES-
SOR
PULLEY
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