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Knock sensor2-
Cam position sensor
1 10~14Nm -
T-MAP pressure sensor
1-
Exhaust manifold M8 10
-
Turbocharger M8 3
-
T/C support bracket bolt
1
-
T/C support bracket bolt
M8 1
-
T/C oil supply pipeM6(block side) 1
-
M6(turbo side) 1
-
T/C oil return pipe
(turbo side)2-
(block side)2-
EGR valve
3-
EGR pipe bolt
(Intake side)
2-
EGR pipe bolt
(EGR cooler side)
2-
Oil pressure sensor M24 1 Max. 50Nm -
Component Size
QuantityTightening torque
(Nm)Remark
(Total torque)
Hot water inlet pipe
2-
Alternator
1Lower
1Upper
A/C compressor
4-
A/C bracket
4-
Intake manifold
2-
6-
Oil filter module
6-
1-
2-
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Oil gauge tube1-
Oil filter cap 1
-
Fuel rail
2-
Injector clamp bolt
2-
High pressure pipe
(between HP pump and
fuel rail)M17 1
-
High pressure pipe
(between fuel rail and
injector)M17 4
-
Crank position sensor
1-
Main wiring
5-
Intake duct M8x25 3
-
Power steering pump
3-
Mass balance shaft
(MBU)
6-
Cylinder head front cove
r5-
Timing gear case cover
7-
1-
3-
Cylinder head cover
21-
Component Size
QuantityTightening torque
(Nm)Remark
(Total torque)
Idle pulley/Tensioner
pulley1
-
Glow plug M5 4
-
Vacuum pump
3-
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4. CHECK AND INSPECTION
1) Cylinder
(1) Compression pressure test
Specified value
Compression ratio
16.5 : 1
Test condition
Compression pressureStandard32 bar
Minimum18 bar
Differential limit between cylindersMaximum 3 bar
The compression pressure test is to check the conditions of internal components (piston, piston ring,
intake and exhaust vale, cylinder head gasket). This test provides current engine operating status.
Before cranking the engine, make sure that the test wiring, tools and persons are keeping away from
moving components of engine (e.g., belt and cooling fan).
Park the vehicle on the level ground and apply the parking brake.
Do not allow anybody to be in front of the vehicle. -
-
-
(2) Cylinder pressure leakage test
If the measured value of the compression pressure test is not within the specifications, perform the
cylinder pressure leakage test.Specified value
Perform this test in the sequence of firing order.
Do not test the cylinder pressure leakage with wet type test procedure. (do not
inject the engine oil into the combustion chamber) -
-
Test condition: normal engine operating Specified value
Whole engine below 25%
at valve and cylinder head gasket below 10%
at piston ring below 20%
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Measure how the piston is protruded from the
upper side of the cylinder block.
(3) Piston protrusion check
Specified value 0.475 to 0.745mm
Measure it at both end positions in the axial
direction of the crankshaft. -