Front chain cover SUBARU TRIBECA 2009 1.G Service User Guide
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Page 1916 of 2453
ME(H6DO)-50
Crank Sprocket
MECHANICAL
17.Crank Sprocket
A: REMOVAL
1) Remove the crank pulley.
2) Remove the front chain cover.
3) Remove the timing chain assembly.
4) Remove the crank sprocket (A).
B: INSTALLATION
1) Install the crank sprocket (A).
2) Install the timing chain assembly.
3) Install the front chain cover.
4) Install the crank pulley.
C: INSPECTION
1) Check the crank sprocket teeth for abnormal
wear and scratches.
2) Make sure there is no free play between crank
sprocket and key.
ME-02047
(A)
ME-02047
(A)
Page 1917 of 2453
ME(H6DO)-51
Rear Chain Cover
MECHANICAL
18.Rear Chain Cover
A: REMOVAL
1) Remove the crank pulley.
2) Remove the front chain cover.
3) Remove the timing chain.
4) Remove the cam sprocket.
5) Remove the crank sprocket.
6) Remove the oil pump.
7) Remove the water pump.
8) Remove the rear chain cover.
NOTE:
Installation bolt has seven different sizes. To pre-
vent the confusion in installation, keep these bolts
on container individually.
B: INSTALLATION
1) Remove the used liquid gasket from mating sur-
face, and degrease it.
2) Apply liquid gasket to the mating surface of rear
chain cover.
Liquid gasket
THREE BOND 1280B (Part No. K0877 A018)
Applying liquid gasket diameter
(A) 1.0±0.5 mm (0.039±0.020 in)
(B) 3.0±1.0 mm (0.118±0.039 in)
3) Install the O-ring.
NOTE:
•Do not reuse the O-ring.
•Do not install the O-ring in wrong place.
(A) M6 × 14
(B) M6 × 18 (Silver)
(C) M6 × 30
(D) M6 × 18
(E) M8 × 43
(F) M8 × 30
(G) M6 × 22
ME-02048
(F)
(C)(D)
(E)
(G)
(A)(B)
(A) 14.2 × 1.9
(B) 19.2 × 2.4
(C) 25 × 2
(D) 31.2 × 1.9
(A)
(B)ME-02049
(B)
(D)(C)
(A)(A)
ME-02457
Page 1918 of 2453
ME(H6DO)-52
Rear Chain Cover
MECHANICAL
4) Temporarily tighten the rear chain cover.
NOTE:
Do not install the bolts in wrong place.
5) Tighten the bolts in the numerical order as
shown in the figure.
Tightening torque:
6) Install the water pump.
7) Install the oil pump.
8) Install the crank sprocket.
9) Install the cam sprocket.
10) Install the timing chain.
11) Install the front chain cover.
12) Install the crank pulley.
(A) M6 × 14
(B) M6 × 18 (Silver)
(C) M6 × 30
(D) M6 × 18
(E) M8 × 43
(F) M8 × 30
(G) M6 × 22
(1) — (11) 9 N·m (0.9 kgf-m, 6.5 ft-lb)
(12) — (19) 20 N·m (2.0 kgf-m, 14 ft-lb)
(20) — (30) 9 N·m (0.9 kgf-m, 6.5 ft-lb)
(31) — (38) 12 N·m (1.2 kgf-m, 8.7 ft-lb)
(39) — (45) 9 N·m (0.9 kgf-m, 6.5 ft-lb)
ME-02048
(F)
(C)(D)
(E)
(G)
(A)(B)
ME-02051(15)
(14)
(26)
(27)(13)
(25)
(24)
(23)
(22)
(21)(20)
(16)(17)
(12)
(19)(30)
(18)
(4)(3)(2)(1)(33)
(8)(9)(10)
(11)
(32)(31)(45)(44)
(43)
(42)
(41)
(40)
(39)
(38)
(37)(36)
(5)
(6)
(7)
(29)
(28)
(35)
(34)
Page 1919 of 2453
ME(H6DO)-53
Camshaft
MECHANICAL
19.Camshaft
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) Disconnect the oil pipe.
8) Remove the rocker cover (LH).
9) Remove the plugs (LH).
10) Loosen the camshaft cap bolts equally, a little
at a time in alphabetical sequence shown in the fig-
ure.
11) Remove the camshaft caps and camshaft (LH).
NOTE:
Arrange camshaft caps in order so that they can be
installed in their original positions.
12) Similarly, remove the camshafts (RH) and re-
lated parts.(A) Bolt without filter (with white mark)
(B) Bolt with filter (without white mark)
ME-02513
(A)
(B)
ME-02055
ME-02054(1)
(2)
(8)
(7)(9)
(3)
(4)
(5)
(6)(10)
(11)(13)
(14)(12)
(15)
(16)
Page 1921 of 2453
ME(H6DO)-55
Camshaft
MECHANICAL
(2) Tighten the rocker cover bolts in the numer-
ical order as shown in the figure.
Tightening torque:
6.4 N·m (0.65 kgf-m, 4.7 ft-lb)
•LH side
•RH side
5) Connect the oil pipe.
CAUTION:
•Be careful not to mistake the location of (A)
and (B).
•Be sure to use a new gasket.
Tightening torque:
(A), (B)
29 N·m (3.0 kgf-m, 652.27 cm-lb)
(C)
6.4 N·m (0.65 kgf-m, 4.7 ft-lb)
6) Install the rear chain cover.
7) Install the crank sprocket.
8) Install the cam sprocket.
9) Install the timing chain assembly.
10) Install the front chain cover.
11) Install the crank pulley.
C: INSPECTION
1) Measure the bend of camshaft. Repair or re-
place if bended.
2) Check the journal for damage and wear. Re-
place if faulty.
3) Measure the outside diameter of camshaft jour-
nal. If the journal diameter is not within specifica-
tion, check the oil clearance.
4) Measurement of the camshaft journal oil clear-
ance:
(1) Clean the bearing caps and camshaft jour-
nals.
(2) Place the camshafts on cylinder head.
(Without installing the valve rocker.)
(3) Place a plastigauge across each camshaft
journals.
(4) Install the bearing cap.
NOTE:
Do not turn the camshaft.
(5) Remove the bearing caps.
(A) Bolt without filter (with white mark)
(B) Bolt with filter (without white mark)
(C) Oil pipe bolt
ME-02061(2)
(7)(3)(1)(10)
(6)
(8)(4)
(5)
(9)
ME-02566
(8)(4)(1)
(5)
(7)
(9)(3)(2)
(6)
(10)
ME-02567
(A)
(C)
(B)
Camshaft journal
Front Except for front
Standard
mm (in)
37.946 — 37.963
(1.4939 — 1.4946)
25.946 — 25.963
(1.0215 — 1.0222)
ME-00539
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 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 1934 of 2453
ME(H6DO)-68
Cylinder Block
MECHANICAL
26) Install the crankshaft sensor plate.
27) Install the drive plate.
To lock the crankshaft, use ST.
ST 498497100 CRANKSHAFT STOPPER
Tightening torque:
81 N·m (8.3 kgf-m, 60 ft-lb)
28) Install the cylinder head.
29) Install the camshaft.
30) Install the rear chain cover.
er.>
31) Install the crank sprocket.
32) Install the cam sprocket.
33) Install the timing chain assembly.
34) Install the front chain cover.
35) Install the crank pulley.
ME-00558
ME-02664
ST