Mitsubishi Space Star. Manual — part 11
ENGINE <4G1> – Engine Assembly
11B-17
REMOVAL SERVICE POINTS
A
POWER STEERING OIL PUMP REMOVAL
Remove the power steering oil pump and bracket with the
hose attached from the engine.
NOTE
Place the removed power steering oil pump where it will not
be a hindrance when removing and installing the engine
assembly, and tie it with a cord.
B
A/C COMPRESSOR REMOVAL
Disconnect the A/C compressor connector and remove the
compressor from the compressor bracket with the hose still
attached.
NOTE
Place the removed A/C compressor where it will not be a
hindrance when removing and installing the engine assembly,
and tie it with a cord.
C
ENGINE MOUNT BRACKET REMOVAL
1.
Support the engine with a garage jack.
2.
Remove the special tool which was attached when the
transmission assembly was removed.
3.
Hold the engine assembly with a chain block or similar
tool.
4.
Place a garage jack against the engine oil pan with a
piece of wood in between, jack up the engine so that
the weight of the engine is no longer being applied to
the engine mount bracket, and then remove the engine
mount bracket.
D
ENGINE ASSEMBLY REMOVAL
After checking that all cables, hoses and harness connectors,
etc., are disconnected from the engine, lift the chain block
slowly to remove the engine assembly upward from the engine
compartment.
INSTALLATION SERVICE POINTS
A
ENGINE ASSEMBLY INSTALLATION
Install the engine assembly, checking that the cables, hoses,
and harness connectors are not clamped.
MB991453
MZ203827
ENGINE <4G1> – Engine Assembly
11B-18
B
ENGINE MOUNT BRACKET INSTALLATION
1.
Place a garage jack against the engine oil pan with a
piece of wood in between, and install the engine mount
bracket while adjusting the position of the engine.
2.
Support the engine with the garage jack.
3.
Remove the chain block and support the engine assembly
with the special tools.
C
FUEL HIGH PRESSURE HOSE INSTALLATION
1.
Apply a small amount of new engine oil to the O-ring.
Caution
Do not let any engine oil get into the delivery pipe.
2.
While turning the fuel high-pressure hose to the right and
left, install the delivery pipe, while being careful not to
damage the O-ring. After installing, check that the hose
turns smoothly.
3.
If the hose does not turn smoothly, the O-ring is probably
being clamped. Disconnect the fuel high-pressure hose
and check the O-ring for damage. After this, re-insert the
delivery pipe and check that the hose turns smoothly.
4.
Tighten to the specified torque.
Tightening torque: 5.0 Nm
MB991453
MZ203827
11C-1
CONTENTS
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Outline of Change
2
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Valve Clearance Check and Adjustment
5
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Idle Speed Check
6
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Compression Pressure Check
6
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Timing Belt Tension Adjustment
7
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CAMSHAFT AND CAMSHAFT OIL SEAL
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ENGINE <F9Q1> –
General/General Information/Service Specifications
11C-2
GENERAL
OUTLINE OF CHANGE
The following maintenance service points have been established to correspond to the adoption of the
F9Q1 engine.
GENERAL INFORMATION
Items
Specification
Total displacement mL
1,870
Bore
×
Stroke mm
80
×
93
Compression ratio
19
Combustion chamber
Direct injection type
Camshaft arrangement
SOHC
Number of valve
Intake
4
Exhaust
4
Valve timing
Intake
Opening
3
BTDC
Closing
21
ABDC
Exhaust
Opening
46
BBDC
Closing
6
BTDC
Fuel system
Common rail fuel injection
SERVICE SPECIFICATIONS
Items
Standard value
Limit
Valve clearance
(at cold) mm
When
checking
Intake valve
0.15 – 0.25
–
(at cold) mm
checking
Exhaust valve
0.35 – 0.45
–
When
adjusting
Intake valve
0.20
–
adjusting
Exhaust valve
0.40
–
Idle speed r/min
750
±
10
–
Compression pressure (250 – 400 r/min) kPa
–
Min. 2,000
Compression pressure difference of all cylinder kPa
–
Max. 400
Timing belt frequency Hz
90
±
15
–
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