2009 SUBARU TRIBECA Oil pump

ME(H6DO)-31
V-belt
MECHANICAL
9. V-belt
A: REMOVAL
1) Install the tool to belt tension adjuster assembly
installation bolt.
2) Rotate the tool clockwise and loosen the V-belt
to remove.
3) Remove the V-belt cover.
B: INSTALLATION
Install in the reverse order of removal.
C: INSPECTION
1) Replace the V-belt, if cracks, fraying or wear is
found.
2) Make sure that the V-belt automatic belt tension
indicator (A) is within the range (D).
(1) Power steering oil pump pulley
(2) Belt tension adjuster ASSY
(3) Crank pulley
(4) A/C compressor
(5) Belt idler
(6) Generator
ME-00473
(1)(6)
(4)
(5)(2)
(3)ME-00474
(A) Indicator
(B) Generator
(C) Power steering oil pump pulley
(D) Service limit
(B)
(A)
(D)
(C)
ME-00475

ME(H6DO)-51
Rear Chain Cover
MECHANICAL
18.Rear Chain Cover
A: REMOVAL
1) Remove the crank pulley. 41, REMOVAL, Crank Pulley.>
2) Remove the front chain cover. ME(H6DO)-42, REMOVAL, Front Chain Cover.>
3) Remove the timing chain. 44, REMOVAL, Timing Chain Assembly.>
4) Remove the cam sprocket. 49, REMOVAL, Cam Sprocket.>
5) Remove the crank sprocket.
6) Remove the oil pump. REMOVAL, Oil Pump.>
7) Remove the water pump. 13, REMOVAL, 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

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. INSTALLATION, Water Pump.>
7) Install the oil pump. STALLATION, Oil Pump.>
8) Install the crank sprocket.
9) Install the cam sprocket. INSTALLATION, Cam Sprocket.>
10) Install the timing chain. INSTALLATION, Timing Chain Assembly.>
11) Install the front chain cover.
Chain Cover.>
12) Install the crank pulley. INSTALLATION, 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)

ME(H6DO)-83
Engine Trouble in General
MECHANICAL
28.Engine Trouble in General
A: INSPECTION
NOTE:
The “RANK” shown in the chart shows the possibilities of the cause of trouble in order from “most likely” to
“rarely”.
A — Most likely
B — Sometimes
C — Rarely
Symptom Problem parts etc. Possible cause RANK
1. Engine does not start.
1) Starter does not turn. Starter Defective battery-to-starter harness B
Defective starter switch C
Defective inhibitor switch or neutral switch C
Defective starter B
Battery Improper connection of terminal A
Run-down battery A
Defective charging system B
Fr iction Seizure of crankshaft and connecting rod bear ing C
Seized camshaft C
Seized or stuck piston and cylinder C
2) Initial combustion does
not occur.
Starter Defective starter C
Engine control system A
Fuel line Defective fuel pump and relay A
Lack of or insufficient fuel B
Chain Trouble B
Defective timing B
Compression Incorrect valve clearance C
Loosened spark plug or defective gasket C
Loosened cylinder head bolt or defective gasket C
Improper valve sealing C
Defective valve stem C
Wor n or broken valve spr ing B
Wor n or stuck piston r ings, cylinder and piston C
Incorrect valve timing B
Improper engine oil (low viscosity) B
Tr o u b l e o f t a p p e t C
Tr o u b l e o f t a p p e t . I n c a s e n o i s e o c c u r s w i t h v a l v e m o v -
ing. Or the harness involved to oil switching solenoid
valve, variable valve lift diagnosis oil pressure switch
and variable valve lift has trouble in a past.
B

ME(H6DO)-84
Engine Trouble in General
MECHANICAL
3) Initial combustion occurs. Engine control system A
Intake system Defective intake manifold gasket B
Defective throttle body gasket B
Fuel line Defective fuel pump and relay C
Clogged fuel line C
Lack of or insufficient fuel B
Chain Trouble B
Defective timing B
Compression Incorrect valve clearance C
Loosened spark plug or defective gasket C
Loosened cylinder head bolt or defective gasket C
Improper valve sealing C
Defective valve stem C
Wor n or broken valve spr ing B
Wor n or stuck piston r ings, cylinder and piston C
Incorrect valve timing B
Improper engine oil (low viscosity) B
Tr o u b l e o f t a p p e t C
Tr o u b l e o f t a p p e t . I n c a s e n o i s e o c c u r s w i t h v a l v e m o v -
ing. Or the harness involved to oil switching solenoid
valve, variable valve lift diagnosis oil pressure switch
and variable valve lift has trouble in a past.
B
4) Engine stalls after initial
combustion.
Engine control system A
Intake system Loosened or cracked intake duct B
Loosened or cracked PCV hose C
Loosened or cracked vacuum hose C
Defective intake manifold gasket B
Defective throttle body gasket B
Dirty air cleaner element C
Fuel line Clogged fuel line C
Lack of or insufficient fuel B
Chain Trouble B
Defective timing B
Compression Incorrect valve clearance C
Loosened spark plug or defective gasket C
Loosened cylinder head bolt or defective gasket C
Improper valve sealing C
Defective valve stem C
Wor n or broken valve spr ing B
Wor n or stuck piston r ings, cylinder and piston C
Incorrect valve timing B
Improper engine oil (low viscosity) B
Tr o u b l e o f t a p p e t C
Tr o u b l e o f t a p p e t . I n c a s e n o i s e o c c u r s w i t h v a l v e m o v -
ing. Or the harness involved to oil switching solenoid
valve, variable valve lift diagnosis oil pressure switch
and variable valve lift has trouble in a past.
B
Symptom Problem parts etc. Possible cause RANK

ME(H6DO)-85
Engine Trouble in General
MECHANICAL
2. Rough idle and engine
stall
Engine control system A
Intake system Loosened or cracked intake duct A
Loosened or cracked PCV hose A
Loosened or cracked vacuum hose A
Defective intake manifold gasket B
Defective throttle body gasket B
Defective PCV valve C
Loosened oil filler cap B
Dirty air cleaner element C
Fuel line Defective fuel pump and relay C
Clogged fuel line C
Lack of or insufficient fuel B
Chain Defective timing C
Compression Incorrect valve clearance B
Loosened spark plug or defective gasket B
Loosened cylinder head bolt or defective gasket B
Improper valve sealing B
Defective valve stem C
Wor n or broken valve spr ing B
Wor n or stuck piston r ings, cylinder and piston B
Incorrect valve timing A
Improper engine oil (low viscosity) B
Tr o u b l e o f t a p p e t C
Tr o u b l e o f t a p p e t . I n c a s e n o i s e o c c u r s w i t h v a l v e m o v -
ing. Or the harness involved to oil switching solenoid
valve, variable valve lift diagnosis oil pressure switch
and variable valve lift has trouble in a past.
B
Lubrication system Incorrect oil pressure B
Defective rocker cover gasket C
Cooling system Over-heating C
Others Evaporative emission control system malfunction A
Stuck or damaged throttle valve B
Symptom Problem parts etc. Possible cause RANK

ME(H6DO)-86
Engine Trouble in General
MECHANICAL
3. Low output, hesitation and
poor acceleration
Engine control system A
Intake system Loosened or cracked intake duct A
Loosened or cracked PCV hose A
Loosened or cracked vacuum hose B
Defective intake manifold gasket B
Defective throttle body gasket B
Defective PCV valve B
Loosened oil filler cap B
Dirty air cleaner element A
Fuel line Defective fuel pump and relay B
Clogged fuel line B
Lack of or insufficient fuel C
Chain Defective timing B
Compression Incorrect valve clearance B
Loosened spark plug or defective gasket B
Loosened cylinder head bolt or defective gasket B
Improper valve sealing B
Defective valve stem C
Wor n or broken valve spr ing B
Wor n or stuck piston r ings, cylinder and piston C
Incorrect valve timing A
Improper engine oil (low viscosity) B
Tr o u b l e o f t a p p e t C
Tr o u b l e o f t a p p e t . I n c a s e n o i s e o c c u r s w i t h v a l v e m o v -
ing. Or the harness involved to oil switching solenoid
valve, variable valve lift diagnosis oil pressure switch
and variable valve lift has trouble in a past.
B
Lubrication system Incorrect oil pressure B
Cooling system Over-heating C
Over-cooling C
Others Evaporative emission control system malfunction A
Symptom Problem parts etc. Possible cause RANK

ME(H6DO)-87
Engine Trouble in General
MECHANICAL
4. Surging Engine control system A
Intake system Loosened or cracked intake duct A
Loosened or cracked PCV hose A
Loosened or cracked vacuum hose A
Defective intake manifold gasket B
Defective throttle body gasket B
Defective PCV valve B
Loosened oil filler cap B
Dirty air cleaner element B
Fuel line Defective fuel pump and relay B
Clogged fuel line B
Lack of or insufficient fuel C
Chain Defective timing B
Compression Incorrect valve clearance B
Loosened spark plug or defective gasket C
Loosened cylinder head bolt or defective gasket C
Improper valve sealing C
Defective valve stem C
Wor n or broken valve spr ing C
Wor n or stuck piston r ings, cylinder and piston C
Incorrect valve timing A
Improper engine oil (low viscosity) B
Tr o u b l e o f t a p p e t C
Tr o u b l e o f t a p p e t . I n c a s e n o i s e o c c u r s w i t h v a l v e m o v -
ing. Or the harness involved to oil switching solenoid
valve, variable valve lift diagnosis oil pressure switch
and variable valve lift has trouble in a past.
B
Cooling system Over-heating B
Others Evaporative emission control system malfunction C
5. Engine does not return to
idle.
Engine control system A
Intake system Loosened or cracked vacuum hose A
Others Stuck or damaged throttle valve A
6. Dieseling (Run-on) Engine control system A
Cooling system Over-heating B
Others Evaporative emission control system malfunction B
Symptom Problem parts etc. Possible cause RANK