D439E Service Manual 2. Engine Mechanical System (D439E)
20
Specification
Items
Standard
([] indicates standard
diameter)
Limit
Corrective
action
General lyre
Cylinder inner diameter
Cylinder stroke
Displacernent
Compression ratio
Firing order
Maximum output
Maximum torque
Compression pressure (at 200rpm)
Serial 4-cylinder 4stroke
common rail system
104mm
115mm
3,907cc
17.5 : 1
1-3-4-2
100ps/2300rpm
92ps/2300rpm
38kgf.m/1600rpm
33kgf.m/1600rpm
26kg/cm²
20kg/cm²
Adjustment
(As the
difference
between
cylinder in
within 4kg/cm²)
Valve timing
lntake valve open (BTDC)
lntake valve close (ABDC)
Exhaust valve open (BBDC)
Exhaust valve close (ATDC)
19
53
60
16
Valve
Intake valve length
Exhaust valve length
Outer diameter of Intake valve stern
Outer diameter of exhaust valve stem
Valve face angle
Thickness (rnargin) of Intake/exhaust valve
head Valve clearance (when engine is cold)
137mm
137mm
8.960~8.975mm
8.925~8.940mm
45
1.5mm
0.4mm
8.85mm
8.85mm
1.2mm
Gap between valve stem and valve guide
Intake
Exhaust
[9] 0.04~0.06mm
[9] 0.07~0.10mm
0.15mm
0.2mm
Replace
Valve guide length
lntake
Exhaust
64mm
71.5mm
Valve sinkage
Intake
Exhaust
0.75~1.25mm
0.75~1.25mm
1.5mm
1.5mm
Valve seat
Replace insert
Push rod run out - 0.4mm Replace
Valve seat width
Intake
Exhaust
2.6~3.0mm
1.8~2.2mm
3.6mm
2.8mm
Replace
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