Mitsubishi Montero Sport (2004+). Manual — part 141
OIL PAN AND OIL PUMP
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ENGINE OVERHAUL
11B-39
2. Tighten the oil pressure switch together with the oil filter
bracket to the specified torque, using special tool
MD998054.
Tightening torque: 10
± 2 N⋅m (89 ± 18 in-lb)
INSPECTION
M1113008200063
.
OIL PUMP
1. Check the tip clearance.
Standard value: 0.06
− 0.18 mm (0.003 − 0.007 inch)
2. Check the side clearance.
Standard value: 0.04
− 0.10 mm (0.002 − 0.004 inch)
3. Check the body clearance.
Standard value: 0.10
− 0.18 mm (0.004 − 0.007 inch)
Limit: 0.35 mm (0.013 inch)
AK204037AB
MD998054
AKX00743
AKX00744
AKX00745
PISTON AND CONNECTING ROD
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ENGINE OVERHAUL
11B-40
PISTON AND CONNECTING ROD
REMOVAL AND INSTALLATION
M1113008400625
AK200450
1
2
3
4
5
6
7
8
9
10
11
12
13
14
27 ± 2 N·m
20 ± 1 ft-lb
+ 90˚ to 94˚
AB
APPLY ENGINE OIL
TO ALL MOVING
PARTS BEFORE
INSTALLATION.
REMOVAL STEPS
>>G<<
1. CONNECTING ROD CAP NUT
<<A>> >>F<<
2. CONNECTING ROD CAP
>>D<<
3. CONNECTING ROD BEARING,
LOWER
>>E<<
4. PISTON AND CONNECTING ROD
ASSEMBLY
>>D<<
5. CONNECTING ROD BEARING,
UPPER
>>C<<
6. PISTON RING NO.1
>>C<<
7. PISTON RING NO.2
>>B<<
8. OIL RING
9. SNAP RING
<<B>> >>A<<
10. PISTON PIN
11. SNAP RING
12. PISTON
13. CONNECTING ROD
14. BOLT
REMOVAL STEPS (Continued)
PISTON AND CONNECTING ROD
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ENGINE OVERHAUL
11B-41
REMOVAL SERVICE POINTS
.
<<A>> CONNECTING ROD CAP REMOVAL
1. Mark the cylinder number on the side of the connecting rod
big end for correct reassembly.
2. Keep the removed connecting rods, caps, and bearings in
order according to the cylinder number.
.
<<B>> PISTON PIN REMOVAL
1. Remove the snap rings.
CAUTION
The clearance between the piston and the piston pin is a
tight fit at room temperature. Therefore, be sure to heat the
piston before pulling out the piston pin. Use care since the
piston is hot after heating.
2. Heat the piston approximately 70
°C (158°F) and pull out the
piston pin.
INSTALLATION SERVICE POINTS
.
>>A<< PISTON PIN INSTALLATION
1. When replacing the piston, note cylinder bore size mark on
the cylinder block as illustrated, and select a piston
according to the flowing table.
NOTE: The piston size mark shows on the top of the piston.
2. Set the snap ring into one side of the piston pin hole.
AKX00734
CYLINDER
NUMBER
AB
AKX01397
70˚C
(158˚F)
AB
CYLINDER BORE SIZE MARK
PISTON SIZE MARK
I
A
II
None
III
C
AK200850
TIMING BELT SIDE
CHECK DIGIT
No.4
No.1
No.2
No.3
AC
LEFT BANK
RIGHT BANK
No.6
No.5
CRANKSHAFT
BORE SIZE
MARK
PISTON AND CONNECTING ROD
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ENGINE OVERHAUL
11B-42
CAUTION
Apply ample coat of engine oil to the periphery of the pis-
ton pin and the hole of the connecting rod small end. The
clearance between the piston and the piston pin is a tight
fit at room temperature. Therefore, be sure to heat the pis-
ton before inserting the piston pin. Use care since the pis-
ton is hot after heating.
3. Heat the piston to approximately 70
°C (158°F).
4. With the front mark of the connecting rod and that of the
piston located on the same side, insert the piston pin.
5. Set the snap ring into the other side of the piston pin hole.
6. Check that the piston moves smoothly.
.
>>B<< OIL RING INSTALLATION
1. Fit the oil ring spacer into the piston ring groove.
NOTE: The side rails and spacer may be installed in either
direction.
AKX01398
70˚C
(158˚F)
AB
AK200448
FRONT MARK 74
FRONT MARK
AB
AKX00716
AK000196AB
SIDE RAIL
SIDE RAIL
SPACER
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