2009 SUBARU TRIBECA engine oil
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ME(H6DO)-45
Timing Chain Assembly
MECHANICAL
13) Remove the idler sprocket (upper).
14) Remove the timing chain (LH).
15) Remove the idler sprocket (lower).
B: INSTALLATION
NOTE:
•Be careful that the foreign matter is not into or
onto assembled component during installation.
•Apply engine oil to the chain guide, chain ten-
sioner lever and idler sprocket when installing.
1) Preparation for chain tensioner installation
(1) Insert the screw, spring pin and tension rod
into tensioner body.
(2) While depressing the tensioner onto rubber
mat, twist it to shorten tension rod. Then insert
the thin pin into the hole between tension rod
and tension body to keep it.
NOTE:
Work on the rubber mat or other anti-skid materials.
2) Using the ST, align the “Top mark” on crank
sprocket to 9 o’clock position as shown in the figure
ST 18252AA000 CRANKSHAFT SOCKET
3) Align the key groove on exhaust cam sprocket to
12 o’clock position as shown in the figure.
ME-02038
ME-02039
ME-00510
ME-00511
ME-02040
ME-02041
Page 1920 of 2453
ME(H6DO)-54
Camshaft
MECHANICAL
B: INSTALLATION
1) Apply engine oil to camshaft journals, and install
the camshaft.
2) Install the camshaft cap.
(1) Apply liquid gasket sparingly to back side of
front camshaft cap as shown in the figure.
CAUTION:
Do not apply liquid gasket excessively. Apply-
ing excessively may cause excess gasket to
flow toward cam journal, resulting in engine
seizure.
Liquid gasket:
THREE BOND 1280B (Part No. K0877YA018)
Applying liquid gasket diameter:
2.0±0.5 mm (0.079±0.020 in)
(2) Apply engine oil to cap bearing surface, and
install the cap to camshaft.
(3) Tighten the rocker cover bolts in the numer-
ical order as shown in the figure.
Tightening torque:
(1) — (12): 16 N·m (1.6 kgf-m, 12 ft-lb)
(13) — (16): 9.75 N·m (1.0 kgf-m, 7.2 ft-lb)
3) Install the plugs.
Tightening torque:
60 N·m (6.1 kgf-m, 44 ft-lb)
4) Install the rocker cover.
(1) Apply liquid gasket sparingly to the mating
surface of cylinder head and rocker cover as
shown in the figure.
CAUTION:
Do not apply liquid gasket excessively. Apply-
ing excessively may cause excess gasket to
flow toward cam journal, resulting in engine
seizure.
Liquid gasket:
THREE BOND 1280B (Part No. K0877YA018)
•LH side
•RH side
ME-02057
ME-02058
(1)
(2)
(8)
(7)(9)
(3)
(4)
(5)
(6)
(10)
(11)(13)
(14)
(15)
(16)
(12)
ME-02055
ME-02059
ME-02060
Page 1923 of 2453
ME(H6DO)-57
Cylinder Head
MECHANICAL
20.Cylinder Head
A: REMOVAL
1) Remove the crank pulley.
2) Remove the front chain cover.
3) Remove the timing chain assembly.
4) Remove the cam sprocket.
5) Remove the crank sprocket.
6) Remove the rear chain cover.
7) Remove the camshaft.
8) Remove the cylinder head bolts in the numerical
order as shown in the figure.
Leave bolts (2) and (4) engaged by three or four
threads to prevent the cylinder head from falling.
9) While tapping the cylinder head with a plastic
hammer, separate it from cylinder block.
10) Remove the bolts (2) and (4) to remove cylin-
der head.
11) Remove the cylinder head gasket.
CAUTION:
Be careful not to scratch the mating surface of
cylinder head and cylinder block.
12) Similarly, remove the cylinder head (RH).
B: INSTALLATION
1) Install the cylinder head and gaskets on cylinder
block.
CAUTION:
•Use new cylinder head gaskets.
•Be careful not to scratch the mating surface
of cylinder head and cylinder block.
2) Tighten the cylinder head bolts.
(1) Apply a coat of engine oil to washers and
cylinder head bolt threads.
(2) Install the cylinder head to cylinder block,
and then tighten the bolts with torque of 20 N·m
(2.0 kgf-m, 14 ft-lb) in numerical sequence as
shown in the figure.
(3) Tighten the bolts with torque of 50 N·m (5.1
kgf-m, 37 ft-lb) in numerical sequence as shown
in the figure.
(4) Back off all the bolts by 180° in reverse order
of installation, and back them off again by 180°.
(5) Tighten the bolts with torque of 20 N·m (2.0
kgf-m, 14 ft-lb) in numerical sequence as shown
in the figure.
(6) Tighten the bolts (1) — (4) with torque of 48
N·m (4.9 kgf-m, 35.4 ft-lb) in numerical se-
quence.
(7) Tighten the bolts (5) — (8) with torque of 44
N·m (4.5 kgf-m, 33 ft-lb) in numerical sequence.
(8) Tighten all bolts 90° in the numerical order
as shown in the figure.
(9) Tighten the bolt (1) — (4) by 45° in the nu-
merical order.
3) Install the camshaft.
4) Install the rear chain cover.
5) Install the crank sprocket.
6) Install the cam sprocket.
7) Install the timing chain assembly.
(2)
(8) (6)
(5) (7)
(4)
(1)(3)
ME-02063
(2)
(8) (6)
(5) (7)
(4)
(1)(3)
ME-02063
(7)
(1) (3)
(4) (2)
(5)
(8)(6)
ME-02064
Page 1924 of 2453
ME(H6DO)-58
Cylinder Head
MECHANICAL
8) Install the front chain cover.
9) Install the crank pulley.
C: DISASSEMBLY
1) Set the cylinder head on ST.
ST 18250AA010 CYLINDER HEAD TABLE
2) Remove the valve lifter.
3) Set the ST on valve spring retainer. Compress
the valve spring and remove the valve spring re-
tainer key. Remove each valve and valve spring.
ST 499718000 VALVE SPRING REMOVER
NOTE:
Keep all the removed parts in order for re-installing
in their original positions.
CAUTION:
•Mark each valve to prevent confusion.
•Pay careful attention not to damage the lips
of intake valve oil seals and exhaust valve oil
seals.
D: ASSEMBLY
1) Installation of valve spring and valve:
(1) Set the cylinder head on ST.
ST 18250AA010 CYLINDER HEAD TABLE
(2) Coat the stem of each valve with engine oil
and insert the valve into valve guide.
NOTE:
When inserting the valve into valve guide, use spe-
cial care not to damage the oil seal lip.
(3) Install the valve spring and retainer.
NOTE:
•Be sure to install the valve spring with its close-
coiled end facing the seat on cylinder head.
•For the valve spring on intake side, install two of
them (inner and outer).
•Install the valve spring with the painted side fac-
ing to retainer.
(4) Set the ST on valve spring.
ST 499718000 VALVE SPRING REMOVER
(5) Compress the valve spring and fit the valve
spring retainer key.
(6) After installing, tap the valve spring retainers
lightly with a wooden hammer for better seating.
2) Apply oil to the surface of valve lifter and valve
shim.
3) Install the valve lifter and valve shim.
E: INSPECTION
1. CYLINDER HEAD
1) Make sure that no crack or other damages do
not exist. In addition to visual inspection, inspect
important areas using liquid penetrant tester.
Check that there are no marks of gas leaking or wa-
ter leaking on gasket installing surface.
2) Set the cylinder head on ST.
ST 18250AA010 CYLINDER HEAD TABLE
ST
ME-00545
(1) Seat
(2) Valve spring
(3) Retainer
(4) Painted face
(1)
(2)(3)
(4)
ME-00546
ST
ME-00545
Page 1926 of 2453
ME(H6DO)-60
Cylinder Head
MECHANICAL
(3) Turn the cylinder head upside down and
place the ST as shown in the figure.
ST 18251AA040 VALVE GUIDE ADJUSTER
(4) Before installing a new valve guide, make
sure that neither scratches nor damages exist
on the inner surface of valve guide holes in cyl-
inder head.
(5) Put a new valve guide, coated with sufficient
oil, in cylinder, and insert the ST1 into valve
guide. Press in until the valve guide upper end
is flush with the upper surface of ST2.
ST1 499765700 VALVE GUIDE REMOVER
ST2 18251AA040 VALVE GUIDE ADJUSTER
(6) Check the valve guide protrusion.
Valve guide protrusion L:
11.4 — 11.8 mm (0.449 — 0.465 in)
(7) Ream the inside of valve guide using ST.
Put the reamer in valve guide, and rotate the
reamer slowly clockwise while pushing it lightly.
Bring the reamer back while rotating it clock-
wise. After reaming, clean the valve guide to re-
move chips.
ST 499765900 VALVE GUIDE REAMER
NOTE:
•Apply engine oil to the reamer when reaming.
•If the inner surface of valve guide is damaged,
the edge of reamer should be slightly ground with
oil stone.
•If the inner surface of valve guide becomes lus-
trous and the reamer does not chip, use a new
reamer or remedy the reamer.
(8) Recheck the contact condition between
valve and valve seat after replacing the valve
guide.
4. INTAKE AND EXHAUST VALVE
1) Inspect the flange and stem of valve, and re-
place if damaged, worn or deformed, or if “H” ex-
ceeds the standard, or offset wear occurs.
H:
Intake (A)
Standard
1.0 mm (0.039 in)
Exhaust (B)
Standard
1.2 mm (0.047 in)
Valve overall length:
Intake (A)
99.7 mm (3.925 in)
Exhaust (B)
105.2 mm (4.142 in)
2) Put a small amount of grinding compound on the
seat surface, and lap the valve and seat surface.
Install a new intake valve oil seal after lapping.
ME-00757
ST
L
ME-00130
ST1
ST2
ME-02096
H
H
(B)
(A)
90 0+1
90 0+1
Page 1927 of 2453
ME(H6DO)-61
Cylinder Head
MECHANICAL
5. VALVE SPRING
1) Check the valve springs for damage, free length,
and tension. Replace the valve spring if it is not
within the standard value presented in the table.
2) To measure the squareness of the valve spring,
stand the spring on a surface plate and measure its
deflection at the top of spring using a try square.
6. INTAKE AND EXHAUST VALVE OIL
SEAL
In the following case, pinch and remove the oil seal
from valve using pliers, and then replace it with a
new one.
•When the lip is damaged.
•When the spring is out of the specified position.
•When readjusting the surfaces of intake valve
and valve sheet.
•When replacing the intake valve guide.
1) Set the cylinder head on ST1.
2) Press-fit the oil seal to the specified dimension
indicated in the figure using ST2.
ST1 18250AA010 CYLINDER HEAD TABLE
ST2 499585500 VALVE OIL SEAL GUIDE
NOTE:
•Apply engine oil to oil seal before press-fitting.
•When press-fitting the oil seal, do not use a ham-
mer or strike in.
7. VALVE LIFTER
1) Check the valve lifter visually.
2) Measure the outer diameter of valve lifter.
Outer diameter:
32.959 — 32.975 mm (1.2976 — 1.2982 in)
3) Measure the inner diameter of valve lifter hole of
cylinder head.
Inner diameter:
32.994 — 33.016 mm (1.2990 — 1.2998 in)
NOTE:
If difference between outer diameter of valve lifter
and inner diameter of valve lifter hole is out of the
standard or offset wearing is emitted, replace the
cylinder head.
Standard:
0.019 — 0.057 mm (0.0007 — 0.0022 in)
Fr e e
lengthmm (in)
Intake
Inner39.55
(1.5571)
Outer41.18
(1.6213)
Exhaust46.32
(1.8236)
Squareness
Intake
Inner2.5°1.7 mm
(0.067 in)
Outer2.5°1.8 mm
(0.071 in)
Exhaust2.5°2.0 mm
(0.079 in)
ME-00132
ME-00548
ME-00134
ME-00550
Page 1928 of 2453
ME(H6DO)-62
Cylinder Block
MECHANICAL
21.Cylinder Block
A: REMOVAL
NOTE:
Before conducting this procedure, drain the engine
oil completely.
1) Remove the crank pulley.
2) Remove the front chain cover.
3) Remove the timing chain assembly.
4) Remove the cam sprocket.
5) Remove the crank sprocket.
6) Remove the rear chain cover.
7) Remove the camshaft.
8) Remove the cylinder head.
9) Remove the drive plate.
Using the ST, lock the crankshaft.
ST 498497100 CRANKSHAFT STOPPER
10) Remove the crankshaft position sensor plate.
11) Remove the crankshaft position sensor brack-
et.
12) Rotate the engine to set oil pan upper.
13) Remove the bolts which secure oil pan lower to
oil pan upper.
14) Insert an oil pan cutter blade between cylinder
block-to-oil pan clearance and remove the oil pan.
CAUTION:
Do not use a screwdriver or similar tools in
place of oil pan cutter.
15) Remove the oil strainer.
ME-02664
ST
ME-00558
ME-00559
ME-00560
LU-02108
Page 1930 of 2453
ME(H6DO)-64
Cylinder Block
MECHANICAL
B: INSTALLATION
1) After setting the cylinder block to ST, install the
crankshaft bearing.
ST 18232AA000 ENGINE STAND
NOTE:
Remove oil on the mating surface of bearing and
cylinder block before installation. Apply a coat of
engine oil to crankshaft pins.
2) Position the crankshaft and connecting rod on
#2, #4 and #6 cylinder block.
3) Apply liquid gasket to the mating surface of the
#1, #3 and #5 cylinder blocks, and position it on #2,
#4 and #6 cylinder blocks.
Liquid gasket:
THREE BOND 1215 (Part No. 004403007)
NOTE:
Do not allow liquid gasket to run over to O-ring
grooves, oil passages, bearing grooves, etc.
Applying liquid gasket diameter:
1.0±0.2 mm (0.039±0.008 in)
4) Apply a coat of engine oil to the washer and bolt
thread.
5) Tighten all bolts in the numerical order as shown
in the figure.
Tightening torque:
(1) — (11), (13): 25 N·m (2.5 kgf-m, 18 ft-lb)
(12), (14): 20 N·m (2.0 kgf-m, 14 ft-lb)
6) Retighten all bolts in the numerical order as
shown in the figure.
Tightening torque:
(1) — (11), (13): 25 N·m (2.5 kgf-m, 18 ft-lb)
(12), (14): 20 N·m (2.0 kgf-m, 14 ft-lb)
7) Tighten all bolts 90° in the numerical order as
shown in the figure.
8) Install the upper bolt to cylinder block.
Tightening torque:
25 N·m (2.5 kgf-m, 18 ft-lb)
NOTE:
Remove the liquid gasket which is running over to
sealing surface between cylinder block and rear
chain cover, cylinder block and oil pan upper, after
tightening the bolts which combine the cylinder
block.
ME-00567
(1)(6)(8)(3)(9)
(2)(4)(5)(7)(10)
(11)
(12)
(13)
(14)
ME-00568
(1)(6)(8)(3)(9)
(2)(4)(5)(7)(10)
(11)
(12)
(13)
(14)
ME-00568
(1)(6)(8)(3)(9)
(2)(4)(5)(7)(10)
(11)
(12)
(13)
(14)
ME-00568
ME-00569