2009 SUBARU TRIBECA Service Workshop Manual

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Page 1865 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual LU(H6DO)-16
Oil Cooler
LUBRICATION
3) Connect the water hose.
4) Install the water pipe onto engine.
Tightening torque:
6.4 N·m (0.65 kgf-m, 4.7 ft-lb)
5) Refill the engine oil. <Ref. to LU(H6D

Page 1866 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual LU(H6DO)-17
General Diagnostics Table
LUBRICATION
10.General Diagnostics Table
A: INSPECTION
Before performing diagnostics, make sure that the engine oil level is correct and no oil leakage exists.
Sy

Page 1867 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual LU(H6DO)-18
General Diagnostics Table
LUBRICATION

Page 1868 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual 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

Page 1869 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual 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 (

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 1870 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual ME(H6DO)-4
General Description
MECHANICAL
Piston ring
Ring closed gap mm (in)
To p r i n g S t a n d a r d 0 . 2 0 — 0 . 3 5 ( 0 . 0 0 7 9 — 0 . 0 1 3 8 )
Second ring Standard 0.35 —

ME(H6DO)-4
General Description
MECHANICAL
Piston ring
Ring closed gap mm (in)
To p r i n g S t a n d a r d 0 . 2 0 — 0 . 3 5 ( 0 . 0 0 7 9 — 0 . 0 1 3 8 )
Second ring Standard 0.35 — 0.50 (0.0138 — 0.0197)
Oil ring Standard 0.20 — 0.60 (0.0079 — 0.0236)
Ring groove gap mm (in)
To p r i n g S t a n d a r d 0 . 0 4 0 — 0 . 0 8 0 ( 0 . 0 0 1 6 — 0 . 0 0 3 1 )
Second ring Standard 0.030 — 0.070 (0.0012 — 0.0028)
Oil ring Standard 0.045 — 0.125 (0.0018 — 0.0049)
Connecting
rodThrust clearance mm (in) Standard 0.070 — 0.330 (0.0028 — 0.0130)
Bearing of
large end
Oil clearance mm (in) Standard 0.016 — 0.043 (0.0006 — 0.0017)
Bearing size (Thickness at center) mm (in)
Standard 1.490 — 1.506 (0.0587 — 0.0593)
0.03 (0.0012) US 1.509 — 1.513 (0.0594 — 0.0596)
0.05 (0.0020) US 1.519 — 1.523 (0.0598 — 0.0600)
0.25 (0.0098) US 1.619 — 1.623 (0.0637 — 0.0639)
Bushing of
small endClearance between piston pin and bushing mm (in) Standard 0 — 0.022 (0 — 0.0009)
Crankshaft
Crank pin and crank journalOut-of-roundness mm (in) 0.005 (0.0002)
Cylindricality mm (in) 0.006 (0.0002)
Crank pin outer diameter mm (in)
Standard 51.984 — 52.000 (2.0466 — 2.0472)
0.03 (0.0012) US 51.954 — 51.970 (2.0454 — 2.0461)
0.05 (0.0020) US 51.934 — 51.950 (2.0446 — 2.0453)
0.25 (0.0098) US 51.734 — 51.750 (2.0368 — 2.0374)
Crank journal outer diameter mm (in)
#1, #3,
#5, #7
Standard 63.992 — 64.008 (2.5194 — 2.5200)
0.03 (0.0012) US 63.962 — 63.978 (2.5182 — 2.5188)
0.05 (0.0020) US 63.942 — 63.958 (2.5174 — 2.5180)
0.25 (0.0098) US 63.742 — 63.758 (2.5095 — 2.5102)
#2, #4,
#6
Standard 63.992 — 64.008 (2.5194 — 2.5200)
0.03 (0.0012) US 63.962 — 63.978 (2.5182 — 2.5188)
0.05 (0.0020) US 63.942 — 63.958 (2.5174 — 2.5180)
0.25 (0.0098) US 63.742 — 63.758 (2.5095 — 2.5102)
Thrust clearance mm (in) Standard 0.030 — 0.115 (0.0012 — 0.0045)
Oil clearance mm (in) Standard 0.010 — 0.030 (0.0004 — 0.0012)
Main bear-
ing
Bearing size (Thickness at
center)mm (in)
#1, #3,
#5, #7
Standard 1.992 — 2.005 (0.0784 — 0.0789)
0.03 (0.0012) US 2.011 — 2.014 (0.0792 — 0.0793)
0.05 (0.0020) US 2.021 — 2.024 (0.0796 — 0.0797)
0.25 (0.0098) US 2.121 — 2.124 (0.0835 — 0.0836)
#2, #4,
#6
Standard 1.996 — 2.009 (0.0786 — 0.0791)
0.03 (0.0012) US 2.015 — 2.018 (0.0793 — 0.0794)
0.05 (0.0020) US 2.025 — 2.028 (0.0797 — 0.0798)
0.25 (0.0098) US 2.125 — 2.128 (0.0837 — 0.0838)

Page 1871 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual ME(H6DO)-5
General Description
MECHANICAL
B: COMPONENT
1. V-BELT
(1) V-belt (6) Generator plateTightening torque: N·m (kgf-m, ft-lb)
(2) Collector cover bracket (7) A/C compressor stayT1: 6.4 (0.65,

Page 1872 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual ME(H6DO)-6
General Description
MECHANICAL
2. TIMING CHAIN COVER
(1) Crank pulley coverTightening torque: N·m (kgf-m, ft-lb)
(2) O-ringT1: <Ref. to ME(H6DO)-41, Crank
Pulley.>(3) Crank pulley
(4) Sea

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