Contents Section: Mechanical All sections

Engine Mechanical (H6DO): Specifications Subaru Tribeca WX рестайлинг

Mechanical 9 illustrations ~228 words

SPECIFICATION

EngineCylinder arrangementHorizontally opposed, liquid cooled, 6-cylinder, 4-stroke gasoline engine
Valve system mechanismChain driven, double overhead camshaft, 4-valve/cylinder
Inside diameter x strokeMm (in)92 x 91 (3.622 x 3.583)
DisplacementCm 3 (cu in)3,630 (222)
Compression ratio10.5
Compression pressure (350 rpm and fully open throttle)KPa (kgf/cm 2 psi)1,275 - 1,471 (13.0 - 15.0,185 - 213)
Number of piston ringsPressure ring: 2, Oil ring: 1
Intake valve timingMin. advanceOpenBTDC 40°
CloseABDC 24°
Max. retardOpenATDC 10°
CloseABDC 74°
Exhaust valve timingMin. advanceOpenBBDC 44°
CloseATDC 4°
Max. retardOpenBBDC 4°
CloseATDC 44°
Valve clearanceMm (in)Intake0.20 +0.04 -0.06 (0.0079 +00016 -0.0024 )
Exhaust0.35±0.05 (0.0138±0.0020)
Idle rpm ["P" or "N" range]RpmNo load700±100
A/C ON805±100
Ignition order1 --> 6 --> 3 --> 2 --> 5 --> 4
Ignition timingBTDC/rpm15° ±8°/700
CamshaftBending limitMm (in)0.020 (0.00079)
Thrust clearanceMm (in)IntakeStandard0.075 - 0.135 (0.0030 - 0.0053)
ExhaustStandard0.075 - 0.135 (0.0030 - 0.0053)
Cam lobe heightMm (in)IntakeStandard45.90 - 46.00 (1.8071 - 1.8110)
ExhaustStandard44.65 - 44.75 (1.7579 - 1.7618)
Cam base circle diameterMm (in)IntakeStandard36.00(1.4173)
ExhaustStandard36.00(1.4173)
Journal O.D.Mm (in)FrontStandard37.946 - 37.963 (1.4939 - 1.4946)
Except for frontStandard25.946 - 25.963 (1.0215 - 1.0222)
Oil clearanceMm (in)Standard0.037 - 0.072 (0.0015 - 0.0028)
Cylinder HeadSurface warping limit (mating with cylinder block)Mm (in)Standard0.02 (0.0008)
Inner diameter of valve lifter holeMm (in)32.994 - 33.016 (1.2990 - 1.2998)
Standard heightMm (in)124±0.05 (4.88±0.0020)
Valve seatSeating angle90°
Contacting widthMm (in)IntakeStandard1.0(0.039)
ExhaustStandard1.5 (0.059)
Valve guideInside diameterMm (in)5.500 - 5.512 (0.2165 - 0.2170)
Protrusion above headIntakeMm (in)8.6 - 9.0 (0.3386 - 0.3543)
ExhaustMm (in)10.7 - 11.1 (0.4213 - 0.4370)
ValveHead edge thicknessMm (in)IntakeStandard1.0 (0.039)
ExhaustStandard1.2(0.047)
Stem outer diameterMm (in)Intake5.455 - 5.470 (0.2148 - 0.2154)
Exhaust5.445 - 5.460 (0.2144 - 0.2150)
Stem oil clearanceMm (in)IntakeStandard0.030 - 0.057 (0.0012 - 0.0022)
ExhaustStandard0.040 - 0.067 (0.0016 - 0.0026)
Overall lengthMm (in)Intake103.5(4.075)
Exhaust103.2(4.063)
Outer diameter of valve lifterMm (in)32.959 - 32.975 (1.2976 - 1.2982)
Valve springFree lengthMm (in)Intake41.51 (1.6342)
Exhaust41.51 (1.6342)
SquarenessIntake2.5°, 1.8 mm (0.071 in)
Exhaust2.5°, 1.8 mm (0.071 in)
Cylinder blockStandard heightMm (in)202 (7.95)
Surface warping limit (Mating surface with cylinder head)Mm (in)Standard0.02 (0.0008)
Cylinder inner diameterMm (in)StandardA92.005 - 92.015 (3.6222 - 3.6226)
B91.995 - 92.005 (3.6218 - 3.6222)
CylindricityMm (in)Standard0.030(0.0012)
Out-of-roundnessMm (in)Standard0.010(0.0004)
Piston clearanceMm (in)Standard0.010 - 0.010 (-0.0004 - 0.0004)
PistonOuter diameterMm (in)StandardA92.005 - 92.015 (3.6222 - 3.6226)
B91.995 - 92.005 (3.6218 - 3.6222)
0.25 (0.0098) OS92.245 - 92.265 (3.6317 - 3.6325)
0.50 (0.0197) OS92.495 - 92.515 (3.6415 - 3.6423)
Inner diameter of piston pin holeMm (in)Standard22.000 - 22.006 (0.8661 - 0.8664)
Piston pinOuter diameterMm (in)Standard21.994 - 22.000 (0.8659 - 0.8661)
Standard clearance between piston and piston pinMm (in)Standard0.004 - 0.008 (0.0002 - 0.0003)
Piston ringRing closed gapMm (in)Top ringStandard0.20 - 0.25 (0.0079 - 0.0098)
Second ringStandard0.40 - 0.50 (0.0157 - 0.0197)
Oil ringStandard0.20 - 0.50 (0.0079 - 0.0197)
Ring groove gapMm (in)Top ringStandard0.040 - 0.080 (0.0016 - 0.0031)
Second ringStandard0.030 - 0.070 (0.0012 - 0.0028)
Oil ringStandard0.065 - 0.165 (0.0026 - 0.0065)
Connecting rodThrust clearanceMm (in)Standard0.070 - 0.330 (0.0028 - 0.0130)
Bearing of large endOil clearanceMm (in)Standard0.016 - 0.043 (0.0006 - 0.0017)
Bearing size (Thickness at center)Mm (in)Standard1.489 - 1.505 (0.0586 - 0.0593)
0.03 (0.0012) US1.507 - 1.515 (0.0593 - 0.0596)
0.05 (0.0020) US1.517 - 1.525 (0.0597 - 0.0600)
0.25 (0.0098) US1.617 - 1.625 (0.0637 - 0.0640)
Bushing of small endClearance between piston pin and bushingMm (in)Standard0 - 0.022 (0 - 0.0009)
CrankshaftCrank pin and crank journalOut-of-roundnessMm (in)0.005 (0.0002)
CylindricityMm (in)0.006 (0.0002)
Crank pin outer diameterMm (in)Standard51.976 - 52.000 (2.0463 - 2.0472)
0.03 (0.0012) US51.954 - 51.970 (2.0454 - 2.0461)
0.05 (0.0020) US51.934 - 51.950 (2.0446 - 2.0453)
0.25 (0.0098) US51.734 - 51.750 (2.0368 - 2.0374)
Crank journal outer diameterMm (in)#1,#3, #5, #7Standard63.992 - 64.016 (2.5194 - 2.5203)
0.03 (0.0012) US63.962 - 63.978 (2.5182 - 2.5188)
0.05 (0.0020) US63.942 - 63.958 (2.5174 - 2.5180)
0.25 (0.0098) US63.742 - 63.758 (2.5095 - 2.5102)
#2, #4, #6Standard63.992 - 64.016 (2.5194 - 2.5203)
0.03 (0.0012) US63.962 - 63.978 (2.5182 - 2.5188)
0.05 (0.0020) US63.942 - 63.958 (2.5174 - 2.5180)
0.25 (0.0098) US63.742 - 63.758 (2.5095 - 2.5102)
Thrust clearanceMm (in)Standard0.030 - 0.115 (0.0012 - 0.0045)
Oil clearanceMm (in)Standard0.010 - 0.030 (0.0004 - 0.0012)
Main bearingBearing size (Thickness at center)Mm (in)#1,#3, #5Standard1.996 - 2.013 (0.0786 - 0.0793)
0.03 (0.0012) US2.011 - 2.014 (0.0792 - 0.0793)
0.05 (0.0020) US2.021 - 2.024 (0.0796 - 0.0797)
0.25 (0.0098) US2.121 - 2.124 (0.0835 - 0.0836)
#2, #4, #6Standard1.996 - 2.013 (0.0786 - 0.0793)
0.03 (0.0012) US2.015 - 2.018 (0.0793 - 0.0794)
0.05 (0.0020) US2.025 - 2.028 (0.0797 - 0.0798)
0.25 (0.0098) US2.125 - 2.128 (0.0837 - 0.0838)
#7Standard1.992 - 2.009 (0.0784 - 0.0791)
0.03 (0.0012) US2.011 - 2.014 (0.0792 - 0.0793)
0.05 (0.0020) US2.021 - 2.024 (0.0796 - 0.0797)
0.25 (0.0098) US2.121 - 2.124 (0.0835 - 0.0836)
NOTE: OS: Oversize US: Undersize
NOTE
OS: Oversize US: Undersize

ENGINE SPECIFICATION

Scheme 21

Scheme 21: V-BELT

Tightening torque: N.m (kgf-m, ft-lb)

T1: 6.4(0.7,4.7)

T2: 20(2.0,14.8)

T3: 25 (2.5, 18.4)

T4: 33(3.4,24.3)

Scheme 22

Scheme 22: TIMING CHAIN COVER

Tightening torque: N.m (kgf-m, ft-lb)

T1: 6.4 (0.7, 4.7)

T2: 10(1.0,7.4)

T3: 195(19.9, 143.8)

Scheme 23

Scheme 23: TIMING CHAIN

Tightening torque: N.m (kgf-m, ft-lb)

T1: 6.4(0.7,4.7)

T2: 16(1.6,11.8)

T3: Ref. to CAM SPROCKET.

T4: 120(12.2,88.5)

Scheme 24

Scheme 24: CYLINDER HEAD AND CAMSHAFT

Tightening torque: N.m (kgf-m, ft-lb)

T1: 6.4(0.7,4.7)

T2: 9.75(1.0,7.2)

T3: 16(1.6,11.8)

T4: Ref. to CYLINDER HEAD.

Scheme 25

Scheme 25: CYLINDER HEAD AND VALVE ASSEMBLY

Scheme 26

Scheme 26: CYLINDER BLOCK

Tightening torque: N.m (kgf-m, ft-lb)

T1: 6.4(0.7,4.7)

T2: 17(1.7, 12.5)

T3: 18 (1.8, 13.3)

T4: 25(2.5, 18.4)

T5: 37(3.8,27.3)

T6: 54(5.5,39.8)

T7:, Ref. to CYLINDER BLOCK.

Scheme 27

Scheme 27: CRANKSHAFT AND PISTON

Tightening torque: N.m (kgf-m, ft-lb)

T1: 60(6.1,44.3)

T2: 90(9.2,66.4)

Scheme 28

Scheme 28: ENGINE HARNESS

Scheme 29

Scheme 29: ENGINE MOUNTING

Tightening torque: N.m (kgf-m, ft-lb)

T1: 35(3.6,25.8)

T2: 75(7.6,55.3)

Refer to "Cylinder Head" for removal and installation procedures of intake and exhaust valves. Ref. to REMOVAL, Cylinder Head. Ref. to INSTALLATION, Cylinder Head.

Refer to "Cylinder Block" for removal and installation procedures of pistons. Ref. to REMOVAL, Cylinder Block. Ref. to INSTALLATION, Cylinder Block.

Refer to "Cylinder Block" for removal and installation procedures of connecting rod. Ref. to REMOVAL, Cylinder Block. Ref. to INSTALLATION, Cylinder Block.

Refer to "Cylinder Block" for removal and installation procedures of crankshaft. Ref. to REMOVAL, Cylinder Block. Ref. to INSTALLATION, Cylinder Block.