Page 1868 of 2453
ME(H6DO)-2
General Description
MECHANICAL
1. General Description
A: SPECIFICATION
NOTE:
OS: Oversize US: undersize
Engine
Cylinder arrangementHorizontally opposed, liquid cooled,
6-cylinder, 4-stroke gasoline engine
Va l ve s y s t e m m e c h a n i s mChain driven, double overhead camshaft,
4-valve/cylinder
Inside diameter×stroke mm (in) 89.2 × 80 (3.512 × 3.150)
Displacementcm3 (cu in)3,000 (183)
Compression ratio10.7
Compression pressure (350 rpm and fully open
throttle):kPa (kgf/cm2, psi)1,275 — 1,471 (13.0 — 15.0, 185 — 213)
Number of piston rings Pressure ring: 2, Oil ring: 1
Intake valve timing
Min. advanceOpen BTDC 47°
Close ABDC 23°
Max. retardOpen ATDC 3°
Close ABDC 73°
Exhaust valve timingOpen BBDC 60°
Close ATDC 6°
Va l ve c l e a r a n c e m m ( i n )Intake0.20 +0.04 -0.06 (0.0079 +0.0016 -0.0024)
EXHAUST 0.35±0.05 (0.0138±0.020)
Idle rpm [“P” or “N” range] rpmNo load 650±50
A/C ON 770±50
Ignition order 1 → 6 →3 → 2 → 5 → 4
Ignition timing BTDC/rpm 15°±8°/650
Page 1869 of 2453
ME(H6DO)-3
General Description
MECHANICAL
Camshaft
Thrust clearance mm (in)Intake Standard 0.075 — 0.135 (0.0030 — 0.0053)
Exhaust Standard 0.030 — 0.090 (0.0012 — 0.0035)
Cam lobe height mm (in)Intake
HIGH Standard 42.09 — 42.19 (1.6571 — 1.6610)
LOW1 Standard 38.14 — 38.24 (1.5016 — 1.5055)
LOW2 Standard 35.44 — 35.54 (1.3953 — 1.3992)
Exhaust Standard 41.65 — 41.75 (1.6398 — 1.6437)
Cam base circle diameter mm (in)Intake
HIGH Standard 32.00 (1.2598)
LOW1 Standard 31.84 (1.2535)
LOW2 Standard 31.84 (1.2535)
Exhaust Standard 32.00 (1.2598)
Journal O.D. mm (in)Fr o nt S ta n da r d 3 7. 9 46 — 3 7 . 96 3 ( 1 . 49 3 9 — 1. 4 9 46 )
Except for front Standard 25.946 — 25.963 (1.0215 — 1.0222)
Oil clearance mm (in) Standard 0.037 — 0.072 (0.0015 — 0.0028)
Cylinder
head
Flatness mm (in) Standard 0.02 (0.0008)
Inner diameter of valve lifter hole mm (in) 32.994 — 33.016 (1.2990 — 1.2998)
Standard height mm (in) 124±0.05 (4.88±0.0020)
Va l ve s e a t
Refacing angle90°
Contacting width mm (in)Intake Standard 1.0 (0.039)
Exhaust Standard 1.5 (0.059)
Va l ve g u i d eInside diameter mm (in) 5.500 — 5.512 (0.2165 — 0.2170)
Protrusion above head mm (in) 11.4 — 11.8 (0.449 — 0.465)
Va l ve
Head edge thickness mm (in)Intake Standard 1.0 (0.039)
Exhaust Standard 1.2 (0.047)
Stem outer diameter mm (in)Intake 5.455 — 5.470 (0.2148 — 0.2154)
Exhaust 5.445 — 5.460 (0.2144 — 0.2150)
Stem oil clearance mm (in)Intake Standard 0.030 — 0.057 (0.0012 — 0.0022)
Exhaust Standard 0.040 — 0.067 (0.0016 — 0.0026)
Overall length mm (in)Intake 99.7 (3.925)
Exhaust 105.2 (4.142)
Outer diameter of valve lifter mm (in) 32.959 — 32.975 (1.2976 — 1.2982)
Va l ve s p r i n g
Free length mm (in)IntakeInner 39.55 (1.5571)
Outer 41.18 (1.6213)
Exhaust 46.32 (1.8236)
SquarenessIntakeInner 2.5°1.7 mm (0.067 in)
Outer 2.5°1.8 mm (0.071 in)
Exhaust 2.5°2.0 mm (0.079 in)
Cylinder
block
Standard height mm (in) 202 (7.95)
Cylinder inner diameter mm (in) StandardA89.205 — 89.215 (3.5120 — 3.5124)
B89.195 — 89.205 (3.5116 — 3.5120)
Cylindricality mm (in) Standard 0.030 (0.0012)
Out-of-roundness mm (in) Standard 0.010 (0.0004)
Piston clearance mm (in) Standard –0.010 — 0.010 (–0.0004 — 0.0004)
PistonOuter diameter mm (in)
StandardA89.205 — 89.215 (3.5120 — 3.5124)
B89.195 — 89.205 (3.5116 — 3.5120)
0.25 (0.0098) OS 89.445 — 89.465 (3.5215 — 3.5222)
0.50 (0.0197) OS 89.695 — 89.715 (3.5313 — 3.5321)
Inner diameter of piston pin hole Standard 22.000 — 22.006 (0.8661 — 0.8664)
Piston pin
Outer diameter mm (in) Standard 21.994 — 22.000 (0.8659 — 0.8661)
Standard clearance between piston and piston
pinmm (in) Standard 0.004 — 0.008 (0.0002 — 0.0003)
Page 1874 of 2453
ME(H6DO)-8
General Description
MECHANICAL
4. CYLINDER HEAD AND CAMSHAFT
ME-02453
(1)
(2)
(3)
(4)
(9)
(10)
(22)
(23)
(24)
(26)
(27)(28)
(25)
(32)
(8)
(18)
(16)
(13)(12)
(6)(5)
(14)
(15)
(19)
(20)
(21)
(7)
(11)
(31)
(34)
(35)
(30)
(29)
(33)
T3
T1
T4
T2
T2
T1
T4
T5
T2
T2T3
T6
T6
T6
T6
(17)
(17)
Page 1875 of 2453
ME(H6DO)-9
General Description
MECHANICAL
(1) Rocker cover (RH) (16) Cylinder head (RH) (31) Exhaust camshaft cap (Front LH)
(2) Oil switching solenoid valve (RH) (17) Gasket (32) Front camshaft cap (LH)
(3) Oil switching solenoid valve holder
(RH)
(18) Cylinder head gasket (RH) (33) Plug
(19) Oil switching solenoid valve (LH) (34) Oil pipe (LH)
(4) Oil switching solenoid valve gas-
ket
(20) Oil switching solenoid valve holder
(LH)
(35) Rocker cover (LH)
(5) Rear chain cover (21) Oil switching solenoid valve gas-
ket
Tightening torque: N·m (kgf-m, ft-lb)
(6) Oil pipe (RH)T1:
Head.>(7) Oil flow control solenoid valve
(RH)
(22) Cylinder head gasket (LH)
(23) Cylinder head (LH)T2:
shaft.>(8) Intake camshaft cap (Center RH) (24) Intake camshaft (LH)
(9) Intake camshaft cap (Rear RH) (25) Exhaust camshaft (LH)T3:
Switching Solenoid Valve.>(10) Exhaust camshaft cap (Rear RH) (26) Oil flow control solenoid valve (LH)
(11) Exhaust camshaft cap (Center
RH)
(27) Intake camshaft cap (Rear LH)T4:6.4 (0.65, 4.7)
(28) Intake camshaft cap (Center LH)T5: 9.75 (1.0, 7.2)
(12) Exhaust camshaft cap (Front RH) (29) Exhaust camshaft cap (Rear LH)T6:16 (1.6, 12)
(13) Front camshaft cap (RH) (30) Exhaust camshaft cap (Center
LH)
T7: 60 (6.1, 44)
(14) Intake camshaft (RH)T8: 29 (3.0, 21.4)
(15) Exhaust camshaft (RH)
Page 1876 of 2453
ME(H6DO)-10
General Description
MECHANICAL
5. CYLINDER HEAD AND VALVE ASSEMBLY
(1) Exhaust valve (7) Valve spring (Outer) (13) Exhaust valve stem seal
(2) Intake valve (8) Retainer (14) Valve spring
(3) Intake valve guide (9) Retainer key (15) Valve lifter (Exhaust)
(4) Valve spring seat (10) Shim (16) Cylinder head plug
(5) Intake valve stem seal (11) Valve lifter (Intake) (17) Cylinder head
(6) Valve spring (Inner) (12) Exhaust valve guide
ME-02024
(16)
(16)
(17)
(3)
(12)
(13)
(4)
(14)
(8)
(9)
(15)
(4) (5) (6)(7)(8)(9)(11)(10)
(1)
(2)
Page 1877 of 2453
ME(H6DO)-11
General Description
MECHANICAL
6. CYLINDER BLOCK
(5)
(6)
(7)
(9)
(5)
(8)
(19)
(19)
(10)
(19)
(19)
(21)
(22)
(23)
T1
T2
T2
T2
T1
T2
T2T5
T2
T9
ME-02381
T4
T6
T10
(5)
(1)
(3)
(4)
(5)
(2)
(19)
(19)
(20)
(19)(19)
T1
T1
T8
T3
T5
T8T8
(5)
(18)
(17)
(13)
(14)(13)
(16)
(13)
(14)(13)
(15)
(13)(13)
(11)(12)
(14)
T6T1
T7
T3
T1
Page 1878 of 2453
ME(H6DO)-12
General Description
MECHANICAL
(1) Cylinder block (RH) (13) ClampTightening torque: N·m (kgf-m, ft-lb)
(2) Cylinder block (LH) (14) HoseT1: 6.4 (0.65, 4.7)
(3) Rear oil seal (15) Oil cooler pipeT2: 18 (1.8, 13.3)
(4) Service hole cover (16) Oil coolerT3: 25 (2.5, 18)
(5) O-ring (17) ConnectorT4: 16 (1.6, 12)
(6) Oil pan upper (18) Oil filterT5: 37 (3.8, 27)
(7) Oil pressure switch (19) PlugT6: 44 (4.5, 33)
(8) Oil strainer (20) Crankshaft position sensor holderT7: 54 (5.5, 40)
(9) Magnet (21) Relief valveT8: 70 (7.1, 52)
(10) Oil pan lower (22) Relief valve springT9: 23 (2.3, 17)
(11) Metal gasket (23) PlugT10: 90 (9.2, 67)
(12) Drain plug
Page 1881 of 2453
ME(H6DO)-15
General Description
MECHANICAL
D: PREPARATION TOOL
1. SPECIAL TOOL
ILLUSTRATION TOOL NUMBER DESCRIPTION REMARKS
18250AA010 CYLINDER
HEAD TABLE
•Used for replacing valve guides.
•Used for removing and installing valve spring.
18232AA000 ENGINE STAND Used for disassembling and assembling engine.
498497100 CRANKSHAFT
STOPPER
Used for stopping rotation of flywheel or drive
plate when loosening / tightening crank pulley
bolt.
18254AA000 PISTON GUIDE Used for installing piston in cylinder.
ST18250AA010
ST18232AA000
ST-498497100
ST18254AA000
